The Driver and the Road

by Donald L. Woods, (M.ASCE), Assoc. Res. Engr.; Texas Transp. Inst. and Assoc. Prof. of Civ. Engrg., Texas A&M Univ., College Station, TX,


Serial Information: Transportation Engineering Journal of ASCE, 1971, Vol. 97, Issue 4, Pg. 609-617


Document Type: Journal Paper

Discussion: (See full record)

Abstract: Highway safety begins with the basic geometric design of the highway to meet the driver's needs. The sourves of information available to the driver are examined and it is suggested that the formal information system (signs, signals, and markings) is secondary in importance to the driver's perspective view of the roadway. The concept of driving expectancy is defined for engineering application. The application of this concept requires that the actions of a design driver be defined in general terms. It is logically concluded that the design driver should be a driver who is unfamiliar with the roadway; also a set of driving postulates is presented. The need for coordination of geometric design features and the roadway information system is stressed.

Subject Headings: Driver behavior | Information systems | Geometrics | Highways and roads | Safety | Information management | Traffic signals

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