An ironic consequence of modern highways has been the emergence of new types of accidents. Recent investigations (1) have shown that "running off the road" may be the largest, single cause of fatalities on limited access, multilane roads. According to the 1967 Report of the Special AASHO Traffic Safety Committee ("Yellow Book") (2) the rate of accidents in gore areas is approximately four times that of ran-off-the-road accidents at other locations. Gore areas which are not or cannot be modified to provide favorable terrain and unobstructed recovery zones have been recognized as misfits in the environs of the highway. Crash cushions are only an expedient alternative.

Report Date


Report Number

No. 343

Digital Object Identifier



Prepared for Southeastern Association of State Highway Officials: 31st Annual Convention (Daytona Beach, Florida: October 1-4, 1972).