Task 168, FY 2003, Determination of Appropriate Railing Heights for Bicyclists (Clough, Harbour & Associates, LLP). This study determined critical heights for railings on bridges to provide safety for bicyclists. The final report has been sent to AASHTO and the Chairs of the Technical Committee on Geometric Design and the Joint Technical Committee on Non-Motorized Transportation. (NCHRP Staff: C.W. Niessner)