DOT, FED HWY ADMN, Contracts and Procurement, 400 7th ST, SW, Rm 4410, Washington, D.C. 20590

A -- LATERAL ACCELERATION ON HORIZONTAL CURVES SOL DTFH61-95-R-00085 POC Contact, Behrooz Behpoory, HCP-30, (202) 366-4224 The objective of this study is to compare lateral acceleration values (side friction factors) based on passenger comfort in contemporary automobiles with the American Association of State Highways & Transportation Officials A Policy on Geometric Design of Highway and Streets (AASHTO) Green Book) values used for the design of horizontal curves. Seatbelted and unseatbelted passengers will be driven around horizontal curves and asked to indicate at which point they feel uncomfortable. Given the horizontal curve radius and the vehicle speed, the lateral acceleration can then be calculated. The FHWA plans to negotiate a contract with Pennsylvania Transportation Institute, Pennsylvania State University, Research Office Building, University Park, PA 16802- 4710. (0046)

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