If a cue provides good information on alignment even when it is misaligned to the slope, we speculate that it should work as well or better on a level surface, such as the landing of a parallel
curb ramp.
It is easy to violate
curb ramp requirements because there are many components to address, including how a
curb ramp meets the adjacent sidewalk, curb and street For example, the bottom of a
curb ramp often meets a gutter; the flares of a flared-type
curb ramp meet a curb; and the top of the
curb ramp meets the route that continues through the site.
Our solution is to train engineers in the department on
curb ramp design, including the appropriate use of truncated domes.
The ADA provides strict guidelines on how to construct
curb ramps, recommending slopes of a certain degree, how tall the truncated domes must be, the spacing of the domes and other design specifications - down to the allowable millimeter.
Counter slopes of adjoining gutters and road surfaces immediately adjacent to the
curb ramp not be steeper than 1:20
The instructions regarding the expected use of each cue included the following: The participants were instructed to find the end of the guidestrip with their long canes while still standing on the
curb ramp and then to follow it with the long cane using the constant-contact technique.
Tier II cuts serve residential and other non-commercial areas where pedestrian walkways exist, and a public entity should be given 10 years from the effective date to install the necessary
curb ramps.
Abstract: Truncated domes on
curb ramps benefit travelers with visual impairments.
The Access Board has issued a 4-page list of resources for
curb ramp materials and surfaces.
Impact of
Curb Ramps on the Safety of Persons Who Are Blind," by Billie Louise Bentzen and Janet M.
6 million for
curb ramp and sidewalk repairs, and $4.
This case means that every time resurfacing occurs, a
curb ramp or other slop surface must be installed at each affected intersection.
