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Tools

(Supported by NJDOT Standards and Guidance Documents)


Roadway Design Tool

ADA Curb Ramp Calculator


U.S. Customary English Units



This program calculates the dimensions needed to design ADA curb ramps.
Input Parameters
Curb Height, H  = inches
Curb Ramp Length, W  = feet
Gutter Slope  = %
Curb Ramp Width  = feet
 Approach Swk. Trans. Slope  = %
Sidewalk Cross Slope  = %
Curb Ramp Flare Slope  = %
Curb Ramp Slope  = %

 

Notes:
  • U = Upper Side of Gutter Line Profile
  • L = Lower Side of Gutter Line Profile
  • NaN = Not a Number. All of the required parameters were not
       entered if NaN appears within one of the result fields.

  • Ramp Type 1
    X1U =
    X1L =
    L1 =
    Ramp Type 2
    X1U =
    X1L =
    L1 =
    Ramp Type 7
    X1U =
    X1L =
    L1 =

    Ramp Type 3
    X1U = X2U =
    X1L = X2L =
    L1 = L2 =
    Ramp Type 4
    X1U = X2U =
    X1L = X2L =
    L1 = L2 =
     
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      Trenton, NJ 08625-0600
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      Last Updated:  March 30, 2015