The bumps span the width of the path, create hazardous conditions for path users and discourage frequent cycling on the bridge. They also appear to violate the Americans with Disabilities Act because they are barriers for disabled people. In addition, the bumps do little to slow fast cyclists, who jump over them, making conditions more dangerous for everyone.
DOT engineers frequently cite national bicycle and pedestrian design guidelines issued by the authoritative American Association of State Highway and Transportation Officials when they do not want to use innovative traffic calming methods. Interestingly, these same guidelines say that multi-use paths, including those on bridges, should be smooth and free of hazards.
It is obvious to path users that the bumps are dangerous and badly designed. Hey DOT, remove the bumps!
In June 12, T.A. member Amanda Hickman wrote to DOT Commissioner Iris Weinshall asking her to remove the bumps on the Williamsburg Bridge path. She specifically noted that:
In a letter dated July 7, DOT Manhattan Borough Commissioner Margaret Forgione responded: