Figure 11 - Measurement of Curb Ramp Slopes (description below)

Figure 11
Measurement of Curb Ramp Slopes

The ramp slope is a ratio equal to the vertical rise (y) divided by the horizontal run (x). It is equal to the tangent of the angle that the plane of the ramp surface makes with a horizontal (level) plane. For a curb ramp, the adjoining slope at walk or street shall not exceed 1:20.

Back to ADAAG             List of Figures