36 CFR Part 1191 ABA Accessibility Guidelines, Outdoor Developed Areas - Preamble

1018.5 Obstacles

This section contains technical requirements for obstacles on beach access routes and resting intervals. The vertical alignment of boards on a beach access route or removable sections of a beach access route can be obstacles. This section requires obstacles to not exceed 1/2 inch in height measured vertically to the highest point. Where the surface is other than concrete, asphalt, or boards, obstacles are permitted to not exceed 1 inch in height measured vertically to the highest point.