The selection of the trail shoulder treatment should be dictated by the surrounding conditions, specifically the distance from an adjacent hard or vertical surface.
TRAIL SHOULDER STANDARD APPLICATION |
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| DISTANCE FROM EDGE OF TRAIL | TREATMENT | REFERENCE IMAGES |
| 6’-0” OR MORE | Trees outside 3’-0” shoulder Turf Native vegetation with turf shoulder |
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| LESS THAN 6’-0” GREATER THAN 3’-0” |
Turf |  |
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| LESS THAN 3’-0” | Concrete Pavers or specialty pavement |
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| 1’-6” MIN. SHOULDER (PER NATIONAL ASSOCIATION OF CITY TRANSPORTATION OFFICIALS) |
Less than 1’-6” shoulder requires vehicular barrier |  |
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ADDITIONAL STORMWATER CONSIDERATIONS (WHERE NEEDED) |
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| DISTANCE FROM EDGE OF TRAIL | TREATMENT | REFERENCE IMAGES |
| 10’-0” OR MORE | Amended soils BMP (see BMP Matrix) Bio-retention |
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| 4’-0” OR MORE | Bio-retention, min 4’ surface area of BMP soil |  |