36 CFR Part 1192 Americans with Disabilities Act (ADA) Accessibility Guidelines for Transportation Vehicles (2016 Non-Rail Vehicle Guidelines)

T302 Walking Surfaces

T302.1 General.

Walking surfaces in non-rail vehicles shall comply with T302.

EXCEPTION: Walking surfaces on lifts shall not be required to comply with T302.

T302.2 Slip Resistant.

Walking surfaces shall be slip resistant.

T302.3 Openings.

Openings in walking surfaces shall not allow the passage of a sphere more than 5/8 inch (16 mm) in diameter. Elongated openings shall be placed so that the long dimension is perpendicular to the dominant direction of travel.

EXCEPTIONS: 1. Wheelchair securement system components affixed to walking surfaces shall be permitted to have openings 7/8 inch (22 mm) maximum in width provided that, where such openings are more than 5/8 inch (16 mm) in width, they contrast visually with the rest of the walking surface either light-on-dark or dark-on-light.

2. Ramp and bridgeplate surfaces shall be permitted to have one opening 1½ inches (38 mm) maximum in width and 4½ inches (115 mm) maximum in length to allow the operator to grasp the ramp or bridgeplate for manual operation.

T302.4 Surface Discontinuities.

Surface discontinuities shall be ½ inch (13 mm) high maximum and shall be beveled with a slope not steeper than 1:2.

EXCEPTIONS: 1. Surface discontinuities ¼ inch (6.4 mm) high maximum shall not be required to be beveled.

2. Steps complying with T405 shall be permitted on walking surfaces that are not part of a passenger access route.