Laufenberg Abstract Trails made with wood chips are difficult for those who use mobility aids because the surface is soft, uneven, and shifting....
Search Results "Trail Surface"
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Stabilized Engineered Wood Fiber for Accessible Trails
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Designing Sidewalks and Trails for Access, Part I of II: Review of Existing Guidelines and Practices
Sidewalks and trails serve as critical links in the transportation network by providing pedestrian access to commercial districts, schools, businesses, government offices, and recreation...
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National Trail Surfaces Study Final Report
National Trail Surface Study Final Report February 2014 Staff Liaison Bill Botten U.S....
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2013 Forest Service Trail Accessibility Guidelines (FSTAG)
Forest Service Trail Accessibility Guidelines (FSTAG) 2013 All Trails and Constructed Features Addressed in the FSTAG and FSORAG that are constructed or altered within the National...
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Designing Sidewalks and Trails for Access, Part II of II: Best Practices Design Guide
This guidebook is the second part of a two-phase project focused on designing sidewalks and trails for access....
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7.2.2.1 Determining Impracticability
The surface is not firm and stable for a distance of 45 feet or more (14 m). Limiting Factor 3. ...
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Surface
The top layer of ground on a recreation site, ORAR, trail, or beach access route....
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Surface
The top layer of a trail....
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Firm
A firm surface resists deformation by indentations....
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Stable
A surface is not permanently affected by expected weather conditions and can sustain normal wear and tear from the expected use(s) of the area, between planned maintenance....
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7.4.3.1 Running Slope (Grade)
Trail running slope (grade) of up to 1:20 (5 percent) is permitted for any distance....
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7.4.3.2 Cross Slope
Where the surface is paved or is elevated above the natural ground, the cross slope shall not be steeper than 1:48 (2 percent). ...
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7.4.7 Openings
Openings in trail tread surfaces, trail resting spaces, and trail passing spaces shall be small enough to prevent passage of a 1/2 inch- (13 mm-) diameter sphere....
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7.4.8 Protruding Objects
Constructed features, including signs, shall not extend into the trail tread more than 4 inches (100 mm) between 27 inches (685 mm) and 80 inches (2030 mm) above the surface of the trail...
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7.4.9 Trail Facilities
Where provided on trails, facilities shall comply with the applicable provisions of the FSORAG. ORARs are not required at or between facilities on trails. Exception. ...
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Summary of Costs and Benefits
We estimate the final rule would result in additional costs for viewing areas, trails, and beach access routes shown in Table 3....
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Surface Slopes
The final rule requires clear ground spaces to have slopes not steeper than 1:48 in any direction and, where the surface is other than concrete, asphalt, or boards, permits slopes not steeper...
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1017.2 Surface
This section requires the surface of trails, passing spaces, and resting intervals to be firm and stable. A firm trail surface resists deformation by indentations....
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1017.6 Openings
This section requires openings in the surface of trails, passing spaces, and resting intervals such as spaces between the boards in a boardwalk to not allow passage of a sphere more than...
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Providing Appropriate Information About Accessibility
For instance, include minimum width, maximum slope, and condition of the tread surface (is it firm and stable?) on information about trails....
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Surface [1017.2]
The surfaces of trails, passing spaces, and resting intervals must be firm and stable. A firm trail surface resists deformation by indentations....
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Measuring Surface Firmness and Stability
The penetrator is then rotated and the total displacement into the surface is measured, indicating surface stability....
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Tread Obstacles [1017.5]
The limit on the height of tread obstacles on trails, passing spaces, and resting intervals is based on the surface material used....
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Openings [1017.6]
Openings are gaps in the surface of a trail....