2013 Forest Service Trail Accessibility Guidelines (FSTAG)

7.4.4 Resting Intervals.

Resting intervals shall comply with 7.4.4. Where the trail grade exceeds 1:20 (5 percent), resting intervals shall be provided as specified in Table 7.4.3.1.

7.4.4.1 Length.

The resting interval length shall be 60 inches (1525 mm) long minimum.

7.4.4.2 Width.

Where resting intervals are provided within the trail tread, resting intervals shall be at least as wide as the widest segment of the trail tread leading to the resting interval.  Where resting intervals are provided adjacent to the trail tread, the resting interval clear width shall be 36 inches (915 mm) minimum.

7.4.4.3 Slope.

The slope of a resting interval shall not exceed 1:20 (5 percent) in any direction. Where the surface is paved or is elevated above the natural ground, the slope shall not be steeper than 1:48 (2 percent) in any direction. 

7.4.4.4 Turning Space.

Where resting intervals are provided adjacent to the trail tread, a turning space complying with ABAAS section 304.3.2 shall be provided. Vertical alignment between the trail tread, turning space, and resting interval shall be nominally level.  The trail tread, turning space, and resting interval may overlap.