Minnesota Administrative Rules

1341.0406 A117.1 SECTION 406, CURB RAMPS AND BLENDED TRANSITIONS.

A117.1 section 406 is amended to add a section to read as follows:

406.15 Parallel curb ramps. Parallel curb ramps shall comply with Section 406.15.

406.15.1 Landing. A landing 48 inches (1,220 mm) minimum by 48 inches (1,220 mm) minimum shall be provided at the bottom of the curb ramp and shall be permitted to overlap pedestrian routes and clear spaces. Where the landing is constrained on two or more sides, the landing shall be 48 inches (1,220 mm) minimum by 60 inches (1,525 mm) minimum. The 60 inches (1,525 mm) dimension shall be provided in the direction of the pedestrian street crossing. The slope of the landing shall be 1:48 maximum in all directions.

406.15.2 Running slope. The running slope of the curb ramp shall be in-line with the direction of sidewalk travel. The running slope of the curb ramp shall be 1:20 minimum and 1:12 maximum. The curb ramp run length shall not exceed 7 feet (2,134 mm).

406.15.3 Width. The clear width of curb ramp runs at parallel curb ramps shall be 48 inches (1,220 mm) minimum.

Statutory Authority:

MS s 326B.02

History:

44 SR 537

Published Electronically:

April 1, 2020