Safety and Operations Related to Geometrics for 21st Century Highways

by Timothy R. Neuman, Jack E. Leiscj & Associates, United States,



Document Type: Proceeding Paper

Part of: Engineering 21st Century Highways

Abstract:

Highways designed for the next century must reflect the knowledge gained from research on safety and operations conducted over the last 20 years. Assuming that recent trends toward emphasis on costly reconstruction of highways continues it is imperative that application of safety and operations research reflect cost effectiveness. Achieving this goal will require three significant changes. Design standards must change to reflect safety research and practical constraints that face designers. The design process must change, wherein testing and refinement of designs for their operations and safety becomes an integral part of final plan preparation. Highway designers thus will require training in operations and safety effects, and their relationships to design.

Subject Headings: Highway and road design | Safety | Highway engineering | Traffic accidents | Standards and codes | Highways and roads | Control systems

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