{"id":299,"date":"2018-06-26T18:43:13","date_gmt":"2018-06-26T18:43:13","guid":{"rendered":"https:\/\/grgrebuildstg.wpenginepowered.com\/design\/specialty-pavements\/"},"modified":"2025-04-01T12:50:40","modified_gmt":"2025-04-01T17:50:40","slug":"specialty-pavements","status":"publish","type":"page","link":"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/trail-design\/specialty-pavements\/","title":{"rendered":"SURFACING BASIS OF DESIGN &#8211; SPECIALTY PAVEMENTS"},"content":{"rendered":"<div id=\"mega-menu-wrap-max_mega_menu_1\" class=\"mega-menu-wrap\"><div class=\"mega-menu-toggle\"><div class=\"mega-toggle-blocks-left\"><\/div><div class=\"mega-toggle-blocks-center\"><\/div><div class=\"mega-toggle-blocks-right\"><div class='mega-toggle-block mega-menu-toggle-animated-block mega-toggle-block-0' id='mega-toggle-block-0'><button aria-label=\"Toggle Menu\" class=\"mega-toggle-animated mega-toggle-animated-slider\" type=\"button\" aria-haspopup=\"true\" 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id=\"mega-menu-item-588\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/\">Home<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-has-children mega-align-bottom-left mega-menu-flyout mega-hide-arrow mega-menu-item-539\" id=\"mega-menu-item-539\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/overview\/\" aria-expanded=\"false\" aria-controls=\"mega-sub-menu-539\">Overview<span class=\"mega-indicator\" aria-hidden=\"true\"><\/span><\/a>\n<ul class=\"mega-sub-menu\" id='mega-sub-menu-539'>\n<li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-540\" id=\"mega-menu-item-540\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/overview\/development\/\">Guideline Process<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page 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mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-has-children mega-align-bottom-left mega-menu-flyout mega-hide-arrow mega-menu-item-550\" id=\"mega-menu-item-550\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/trail-design\/\" aria-expanded=\"false\" aria-controls=\"mega-sub-menu-550\">Trail Design Guidelines<span class=\"mega-indicator\" aria-hidden=\"true\"><\/span><\/a>\n<ul class=\"mega-sub-menu\" id='mega-sub-menu-550'>\n<li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-551\" id=\"mega-menu-item-551\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/trail-design\/overarching-standards\/\">Overarching Standards<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-552\" id=\"mega-menu-item-552\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/trail-design\/shoulder-standards\/\">Trail Shoulder Standards<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-553\" id=\"mega-menu-item-553\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/trail-design\/layout-standards\/\">Layout Standards<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-has-children mega-menu-item-566\" id=\"mega-menu-item-566\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/trail-design\/cross-sections\/\" aria-expanded=\"false\" aria-controls=\"mega-sub-menu-566\">Greenway Cross Sections<span class=\"mega-indicator\" aria-hidden=\"true\"><\/span><\/a>\n\t<ul class=\"mega-sub-menu\" id='mega-sub-menu-566'>\n<li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-554\" id=\"mega-menu-item-554\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/trail-design\/standard-cross-section\/\">Standard Trail<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-555\" id=\"mega-menu-item-555\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/trail-design\/wet-flood\/\">Trail in Wet\/Flood Prone Areas<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-556\" id=\"mega-menu-item-556\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/trail-design\/shallow-slope\/\">Trail on Shallow Slope<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-557\" id=\"mega-menu-item-557\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/trail-design\/steep-slope\/\">Trail on Steep Slope<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-558\" id=\"mega-menu-item-558\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/trail-design\/roadway\/\">Trail by Roadway<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-559\" id=\"mega-menu-item-559\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/trail-design\/urban\/\">Trail in Urban Context<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-560\" id=\"mega-menu-item-560\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/trail-design\/boardwalk\/\">Boardwalk Trail<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-561\" id=\"mega-menu-item-561\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/trail-design\/underpass\/\">Trail at Bridge Underpass<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-562\" id=\"mega-menu-item-562\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/trail-design\/railway\/\">Trail Adjacent to Railway<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-563\" id=\"mega-menu-item-563\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/trail-design\/standard-cross-section-secondary-path\/\">Secondary Path<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-567\" id=\"mega-menu-item-567\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/trail-design\/neighborhood\/\">Trail through Neighborhood<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-564\" id=\"mega-menu-item-564\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/trail-design\/stream\/\">Trail Adjacent to Stream<\/a><\/li>\t<\/ul>\n<\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-has-children mega-menu-item-568\" id=\"mega-menu-item-568\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/trail-design\/intersections-and-crossings\/\" aria-expanded=\"false\" aria-controls=\"mega-sub-menu-568\">Intersections and Crossings<span class=\"mega-indicator\" aria-hidden=\"true\"><\/span><\/a>\n\t<ul class=\"mega-sub-menu\" id='mega-sub-menu-568'>\n<li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-570\" id=\"mega-menu-item-570\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/trail-design\/major-intersection\/\">Major Intersection with Bike Lane<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-569\" id=\"mega-menu-item-569\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/trail-design\/greenway-major-intersection-turn-recommended-layout\/\">Major Intersection with Turn<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-571\" id=\"mega-menu-item-571\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/trail-design\/mid-block\/\">Major Street Mid-Block<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-578\" id=\"mega-menu-item-578\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/trail-design\/minor-mid-block\/\">Minor Street Mid-Block<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-577\" id=\"mega-menu-item-577\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/trail-design\/minor-mid-block-parking\/\">Minor Street Mid-Block with Parking<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-579\" id=\"mega-menu-item-579\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/trail-design\/mid-block-crossing-angled-pedestrian-refuge\/\">Mid-Block Crossing - Angled Pedestrian Refuge<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-580\" id=\"mega-menu-item-580\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/trail-design\/minor-street-t\/\">Minor Street T-Intersection<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-582\" id=\"mega-menu-item-582\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/trail-design\/major-trail\/\">Major Trail Connection<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-581\" id=\"mega-menu-item-581\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/trail-design\/minor-trail-connection-standard-layout\/\">Minor Trail Connection<\/a><\/li>\t<\/ul>\n<\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-has-children mega-menu-item-734\" id=\"mega-menu-item-734\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/trail-design\/trail-nodes\/\" aria-expanded=\"false\" aria-controls=\"mega-sub-menu-734\">Trail Nodes<span class=\"mega-indicator\" aria-hidden=\"true\"><\/span><\/a>\n\t<ul class=\"mega-sub-menu\" id='mega-sub-menu-734'>\n<li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-733\" id=\"mega-menu-item-733\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/trail-design\/major-trailhead-recommended-layout\/\">Major Trailhead - Recommended Layout<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-735\" id=\"mega-menu-item-735\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/trail-design\/minor-trailhead\/\">Minor Trailhead - Recommended Layout<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-737\" id=\"mega-menu-item-737\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/trail-design\/gateways\/\">Gateway - Recommended Layout<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-736\" id=\"mega-menu-item-736\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/trail-design\/greenway-intersection\/\">Major Greenway Intersection - Recommended Layout<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-739\" id=\"mega-menu-item-739\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/trail-design\/seating-node\/\">Large Seating Node - Recommended Layout<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-738\" id=\"mega-menu-item-738\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/trail-design\/small-seating-nodes\/\">Small Seating Node - Recommended Layout<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-740\" id=\"mega-menu-item-740\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/trail-design\/bicycle-parking\/\">Bicycle Parking - Recommended Layout<\/a><\/li>\t<\/ul>\n<\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-has-children mega-menu-item-746\" id=\"mega-menu-item-746\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/trail-design\/surfacing\/\" aria-expanded=\"false\" aria-controls=\"mega-sub-menu-746\">Surfacing<span class=\"mega-indicator\" aria-hidden=\"true\"><\/span><\/a>\n\t<ul class=\"mega-sub-menu\" id='mega-sub-menu-746'>\n<li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-742\" id=\"mega-menu-item-742\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/trail-design\/surfacing-primary-trail\/\">Surfacing Standards - Primary Trail<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-741\" id=\"mega-menu-item-741\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/trail-design\/surfacing-secondary-path\/\">Surfacing Standards - Secondary Path<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-744\" id=\"mega-menu-item-744\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/trail-design\/surfacing-standards-roadway-service-drives\/\">Surfacing Standards - Roadway \/ Service Drives<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-745\" id=\"mega-menu-item-745\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/trail-design\/specialty-pavements\/\">Surfacing Basis of Design - Specialty Pavements<\/a><\/li>\t<\/ul>\n<\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-has-children mega-menu-item-747\" id=\"mega-menu-item-747\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/trail-design\/trail-structures-furnishings\/\" aria-expanded=\"false\" aria-controls=\"mega-sub-menu-747\">Trail Structures & Furnishings<span class=\"mega-indicator\" aria-hidden=\"true\"><\/span><\/a>\n\t<ul class=\"mega-sub-menu\" id='mega-sub-menu-747'>\n<li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-748\" id=\"mega-menu-item-748\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/trail-design\/masonry-walls-seat-walls-retaining-walls-recommendations\/\">Masonry Walls, Seat Walls, Retaining Walls - Recommendations<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-749\" id=\"mega-menu-item-749\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/trail-design\/modular-concrete-masonry-unit-walls-recommendations\/\">Modular and Concrete Masonry Unit Walls - Recommendations<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-750\" id=\"mega-menu-item-750\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/trail-design\/concrete-stem-wall-recommendations\/\">Concrete Stem Wall - Recommendations<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-751\" id=\"mega-menu-item-751\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/trail-design\/boulder-ledge-rock-walls\/\">Boulder \/ Ledge Rock Wall - Recommendations<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-752\" id=\"mega-menu-item-752\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/trail-design\/bridges-landings\/\">Bridges & Landings<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-753\" id=\"mega-menu-item-753\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/trail-design\/bridge-abutment-standards\/\">Bridge Abutment - Standards<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-754\" id=\"mega-menu-item-754\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/trail-design\/shelters-pavilions\/\">Shelters \/ Pavilions - Recommendations<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-755\" id=\"mega-menu-item-755\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/trail-design\/handrails-basis-design\/\">Handrails - Basis of Design<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-756\" id=\"mega-menu-item-756\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/trail-design\/fencing\/\">Fencing - Basis of Design<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-757\" id=\"mega-menu-item-757\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/trail-design\/contemporary-furnishings\/\">Contemporary Furnishings - Recommendations<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-758\" id=\"mega-menu-item-758\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/trail-design\/historic-furnishings\/\">Historic Furnishings - Recommendations<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-759\" id=\"mega-menu-item-759\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/trail-design\/transitional-furnishings\/\">Transitional Furnishings - Recommendations<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-760\" id=\"mega-menu-item-760\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/trail-design\/drinking-fountain-install\/\">Drinking Fountain - Installation Detail<\/a><\/li>\t<\/ul>\n<\/li><\/ul>\n<\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-has-children mega-align-bottom-left mega-menu-flyout mega-hide-arrow mega-menu-item-573\" id=\"mega-menu-item-573\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/environmental\/\" aria-expanded=\"false\" aria-controls=\"mega-sub-menu-573\">Environmental Design Guidlines<span class=\"mega-indicator\" aria-hidden=\"true\"><\/span><\/a>\n<ul class=\"mega-sub-menu\" id='mega-sub-menu-573'>\n<li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-has-children mega-menu-item-761\" id=\"mega-menu-item-761\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/environmental\/stormwater-grading-considerations\/\" aria-expanded=\"false\" aria-controls=\"mega-sub-menu-761\">Stormwater and Grading Considerations<span class=\"mega-indicator\" aria-hidden=\"true\"><\/span><\/a>\n\t<ul class=\"mega-sub-menu\" id='mega-sub-menu-761'>\n<li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-762\" id=\"mega-menu-item-762\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/environmental\/stormwater-bmp-selection-recommendations\/\">Stormwater BMP Selection Recommendations<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-763\" id=\"mega-menu-item-763\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/environmental\/bioretention-raingarden\/\">Bioretention \u2013 Rain Garden \u2013 Recommendations<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-764\" id=\"mega-menu-item-764\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/environmental\/standard-cross-section-trail-bmp\/\">Standard Cross Section - Trail with BMP<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-765\" id=\"mega-menu-item-765\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/environmental\/permeable-pavement\/\">Permeable Pavement- Recommendations<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-766\" id=\"mega-menu-item-766\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/environmental\/amended-soils-disconnection-recommendations\/\">Amended Soils Disconnection- Recommendations<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-767\" id=\"mega-menu-item-767\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/environmental\/ponds-wetlands\/\">Stormwater Ponds and Wetlands- recommendations<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-768\" id=\"mega-menu-item-768\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/environmental\/bioretention-stormwater-control-swales-recommendations\/\">Bioretention \u2013 Stormwater Control Swales-  Recommendations<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-769\" id=\"mega-menu-item-769\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/environmental\/temporary-bank-stabilization-strategies\/\">Temporary Bank Stabilization Strategies<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-770\" id=\"mega-menu-item-770\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/environmental\/permanent-bank-stabilization\/\">Permanent Bank Stabilization Recommendations<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-771\" id=\"mega-menu-item-771\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/environmental\/stream-stabilization-techniques\/\">In-Stream Stabilization Techniques<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-772\" id=\"mega-menu-item-772\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/environmental\/culverts-piping-standards\/\">Culverts and Piping \u2013 Standards<\/a><\/li>\t<\/ul>\n<\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-has-children mega-menu-item-773\" id=\"mega-menu-item-773\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/environmental\/trail-planting-guidelines\/\" aria-expanded=\"false\" aria-controls=\"mega-sub-menu-773\">Trail Planting Guidelines<span class=\"mega-indicator\" aria-hidden=\"true\"><\/span><\/a>\n\t<ul class=\"mega-sub-menu\" id='mega-sub-menu-773'>\n<li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-790\" id=\"mega-menu-item-790\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/environmental\/planting-vision-goals\/\">Planting Vision & Goals<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-791\" id=\"mega-menu-item-791\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/environmental\/planting-anatomy\/\">Planting Anatomy<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-792\" id=\"mega-menu-item-792\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/environmental\/recommended-matrix-planting-strategies\/\">Recommended Matrix of Planting Strategies<\/a><\/li>\t<\/ul>\n<\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-has-children mega-menu-item-775\" id=\"mega-menu-item-775\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/environmental\/typical-planting-design\/\" aria-expanded=\"false\" aria-controls=\"mega-sub-menu-775\">Typical Planting Design<span class=\"mega-indicator\" aria-hidden=\"true\"><\/span><\/a>\n\t<ul class=\"mega-sub-menu\" id='mega-sub-menu-775'>\n<li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-776\" id=\"mega-menu-item-776\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/environmental\/soil-preparation\/\">Soil Preparation<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-777\" id=\"mega-menu-item-777\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/environmental\/standard-turf-shoulder\/\">Standard Turf Shoulder<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-778\" id=\"mega-menu-item-778\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/environmental\/recommendations-turf-lawn-high-mow-lawn\/\">Recommendations for Turf Lawn \/ High Mow Lawn<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-779\" id=\"mega-menu-item-779\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/environmental\/native-grassland-planting\/\">Recommendations for Native Grassland Planting<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-780\" id=\"mega-menu-item-780\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/environmental\/recommendations-native-shrub-perennial-beds\/\">Recommendations for Native Shrub and Perennial Beds<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-781\" id=\"mega-menu-item-781\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/environmental\/recommendations-woodland-forest-planting\/\">Recommendations for Woodland \/ Forest Planting<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-782\" id=\"mega-menu-item-782\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/environmental\/streambank-planting\/\">Recommendations for Streambank Planting<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-783\" id=\"mega-menu-item-783\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/environmental\/wetland-pond-edge-planting\/\">Recommendations for Wetland \/ Pond Edge Planning<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-784\" id=\"mega-menu-item-784\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/environmental\/bioretention-rain-garden\/\">Recommendations for Bioretention \/ Rain Garden<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-has-children mega-menu-item-785\" id=\"mega-menu-item-785\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/environmental\/tree-planting\/\" aria-expanded=\"false\" aria-controls=\"mega-sub-menu-785\">Standards for Tree Planting<span class=\"mega-indicator\" aria-hidden=\"true\"><\/span><\/a>\n\t\t<ul class=\"mega-sub-menu\" id='mega-sub-menu-785'>\n<li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-786\" id=\"mega-menu-item-786\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/environmental\/standards-tree-planting-root-barriers\/\">Root Barriers<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-787\" id=\"mega-menu-item-787\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/environmental\/standards-tree-planting-soil-volume-tree-health\/\">Soil Volume for Tree Health<\/a><\/li>\t\t<\/ul>\n<\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-788\" id=\"mega-menu-item-788\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/environmental\/tree-staking\/\">Standards for Tree Staking<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-789\" id=\"mega-menu-item-789\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/environmental\/shrubs-ornamental-grasses-perennials\/\">Shrubs, Ornamental Grasses, & Perennials<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-793\" id=\"mega-menu-item-793\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/environmental\/bed-edges\/\">Recommendations for Bed Edges<\/a><\/li>\t<\/ul>\n<\/li><\/ul>\n<\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-has-children mega-align-bottom-left mega-menu-flyout mega-hide-arrow mega-menu-item-574\" id=\"mega-menu-item-574\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/construction\/\" aria-expanded=\"false\" aria-controls=\"mega-sub-menu-574\">Pre-Construction & Construction<span class=\"mega-indicator\" aria-hidden=\"true\"><\/span><\/a>\n<ul class=\"mega-sub-menu\" id='mega-sub-menu-574'>\n<li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-799\" id=\"mega-menu-item-799\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/required-front-end-drawings-addition-design-drawings\/\">Required Front End Drawings (In Addition to Design Drawings)<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-795\" id=\"mega-menu-item-795\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/construction\/erosion-control-stormwater-pollution-prevention-plan-swppp\/\">Erosion control and stormwater pollution prevention plan (SWPPP)<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-796\" id=\"mega-menu-item-796\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/construction\/testing-quality-assurance\/\">During Construction \u2013 Testing & Quality Assurance<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-797\" id=\"mega-menu-item-797\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/construction\/construction-mock-ups\/\">During Construction \u2013 Mockups<\/a><\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-798\" id=\"mega-menu-item-798\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/construction\/construction-checkpoints\/\">During Construction \u2013 Checkpoints<\/a><\/li><\/ul>\n<\/li><li class=\"mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-align-bottom-left mega-menu-flyout mega-menu-item-587\" id=\"mega-menu-item-587\"><a class=\"mega-menu-link\" href=\"https:\/\/greatriversgreenway.org\/design\/design-guidelines\/overview\/additional-design-resources\/\">Onboarding Resources<\/a><\/li><\/ul><\/div>\n<h4>Specialty pavements are important elements used to celebrate a specific node along the greenway, and can be used to brand\/ identify a particular greenway.<\/h4>\n<p>As special materials, specialty pavements should be used strategically and sparingly along the length of the greenway. Specialty pavements should be used only in non-traffic areas. Do not use in drive lanes or roadways. The following details are for reference only, and final detail design should be based on the site, specific engineering needs and the input of a geotechnical consultant. Proof-rolling should be performed in all areas to be paved to verify adequate sub-base. Sub-base should be remediated with rock. Geo-grid should be placed over rock course before pavement base is installed. Some paving patterns, like the example to the left on River Des Peres Greenway, can have a disorienting or dizzying effect on trail users. Rectilinear patterns are preferred for areas within the primary trail route.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-7473\" src=\"https:\/\/greatriversgreenway.org\/design\/wp-content\/uploads\/sites\/2\/2024\/05\/specialtypavements.png\" alt=\"\" width=\"900\" height=\"428\" \/><\/p>\n<p><em>Concrete pavers and integral colored concrete are just two examples of specialty pavement that can be used at various points along a trail. Wavy or disorienting patterns, such as the image on the left, can have unwanted effects on some trail users and should be avoided.<\/em><\/p>\n<hr \/>\n<h4>PAVERS ON CONCRETE BASE &#8211; PREFERRED MATERIAL<\/h4>\n<p>Concrete and brick pavers provide a myriad of options to create a unique and identifiable statement along a greenway. The flexibility of pavers also allow for the embedment of integrated branding elements directly into the paving surface. Pavers, however, have their own unique maintenance challenges particularly over several years. If pavers are to be used, they should always be placed on a concrete base.<\/p>\n<p><strong><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-7475 alignright\" src=\"https:\/\/greatriversgreenway.org\/design\/wp-content\/uploads\/sites\/2\/2024\/05\/specialty-ex1.png\" alt=\"\" width=\"600\" height=\"400\" \/>PROS:<\/strong><\/p>\n<ul>\n<li>Pavers can be easily replaced if damaged.<\/li>\n<li>Opportunities for branding\/ interest.<\/li>\n<li>Non-fading colors<\/li>\n<\/ul>\n<p><strong>CONS:<\/strong><\/p>\n<ul>\n<li>Resetting may be required if settling occurs.<\/li>\n<li>Weed control can be challenging. It is critical that joints are well sealed with polymeric joint lock sand.<\/li>\n<\/ul>\n<p><strong>NOTES:<\/strong><\/p>\n<ul>\n<li>All pavers, except in permeable applications, should be installed on a concrete base. Do not mortar.<\/li>\n<li>Pavers should be of a high compressive strength, 7000 psi or greater.<\/li>\n<li>Concrete base should have adequate drainage and weep holes.<\/li>\n<li>Edge restraints are required in this application. Concrete base must extend beyond edge of pavers to allow anchoring point for edge restraint.<\/li>\n<\/ul>\n<hr \/>\n<h4><strong><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-7474 alignright\" src=\"https:\/\/greatriversgreenway.org\/design\/wp-content\/uploads\/sites\/2\/2024\/05\/specialty-ex2.png\" alt=\"\" width=\"600\" height=\"400\" \/><\/strong>COLORED CONCRETE &#8211; ALTERNATE MATERIAL<\/h4>\n<p>Like pavers, colored concrete can create interesting design and branding opportunities. It is critical that colored concrete be used in areas that will not receive heaving salting, for best results.<\/p>\n<p><strong>PROS:<\/strong><\/p>\n<ul>\n<li>Can be less costly than concrete pavers.<\/li>\n<li>Opportunities for branding\/ interest.<\/li>\n<li>Limited weed pressure.<\/li>\n<\/ul>\n<p><strong>CONS:<\/strong><\/p>\n<ul>\n<li>If damaged, repairs are difficult to match.<\/li>\n<li>Can be a challenge to install.<\/li>\n<li>Color fades over time.<\/li>\n<\/ul>\n<p><strong>NOTES:<\/strong><\/p>\n<ul>\n<li>Color is to be integral to concrete mixture.<\/li>\n<li>Use in high visibility\/ high profile areas.<\/li>\n<li>Saw cut joints should be used in path-of-travel areas.<\/li>\n<\/ul>\n<hr \/>\n<h4><img loading=\"lazy\" decoding=\"async\" class=\"alignright size-full wp-image-7479\" src=\"https:\/\/greatriversgreenway.org\/design\/wp-content\/uploads\/sites\/2\/2024\/05\/specialty-ex3.png\" alt=\"\" width=\"600\" height=\"254\" \/>PERMEABLE PAVERS &#8211; ALTERNATE MATERIAL<\/h4>\n<p>Permeable pavers are important tools in the stormwater management toolbox. In addition, the flexibility of this type of paver system provides many opportunities for branding and design creativity. Permeable pavers should be set on slopes of less than 2 to 5% for best functionality.<\/p>\n<p><strong>PROS:<\/strong><\/p>\n<ul>\n<li>Aids in mitigating stormwater runoff.<\/li>\n<li>Visible green infrastructure for public recognition.<\/li>\n<li>Easily replaced if removed for utility work.<\/li>\n<\/ul>\n<p><strong>CONS:<\/strong><\/p>\n<ul>\n<li>More costly than traditional pavers.<\/li>\n<li>Gravel setting base means that, over time, pavers may settle in areas with frequent travel. Permeable pavers should be used in areas with limited vehicular turning movements.<\/li>\n<li>Permeable pavers may require more frequent maintenance than traditional pavement surfaces.<\/li>\n<\/ul>\n<p><strong>NOTES:<\/strong><\/p>\n<ul>\n<li>Permeable pavers should be contained by a concrete curb, concrete header, or adjacent concrete surfaces.<\/li>\n<li>Utilize in parking areas, pedestrian gathering zones and locations with travel speeds below 25 mph and with minimal turns. Use in vehicular travel lanes should be avoided as vehicle movements cause settling and increased wear.<\/li>\n<li>Pavers should be of appropriate thickness and strength to withstand expecting loading conditions. At a minimum, pavers should withstand loading from typical maintenance vehicles.<\/li>\n<li>Trees can exacerbate maintenance issues on permeable pavements, requiring additional vacuuming for performance. Tree species with larger leaves and limited fruiting should be selected for placement near permeable pavers.<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"white-border alignnone wp-image-7478 size-full\" src=\"https:\/\/greatriversgreenway.org\/design\/wp-content\/uploads\/sites\/2\/2024\/05\/pavers.png\" alt=\"\" width=\"1200\" height=\"300\" \/><\/p>\n<p><em>It is important to inspect permeable paver installations after major storm events to make sure stormwater drains properly.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Specialty pavements are important elements used to celebrate a specific node along the greenway, and can be used to brand\/&#8230;<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":78,"menu_order":11,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-299","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/greatriversgreenway.org\/design\/wp-json\/wp\/v2\/pages\/299","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/greatriversgreenway.org\/design\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/greatriversgreenway.org\/design\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/greatriversgreenway.org\/design\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/greatriversgreenway.org\/design\/wp-json\/wp\/v2\/comments?post=299"}],"version-history":[{"count":0,"href":"https:\/\/greatriversgreenway.org\/design\/wp-json\/wp\/v2\/pages\/299\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/greatriversgreenway.org\/design\/wp-json\/wp\/v2\/pages\/78"}],"wp:attachment":[{"href":"https:\/\/greatriversgreenway.org\/design\/wp-json\/wp\/v2\/media?parent=299"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}