Selection of Performance Levels for Longitudinal Barriersby H. E. Ross, Jr., Texas Transportation Inst, College, Station, TX, USA,
D. L. Sicking, Texas Transportation Inst, College, Station, TX, USA,
Abstract: There is a demand within the highway community for multi-service level safety features, including traffic barriers. The need has become more acute in recent years as revenues decline and as the demand for highway safety increases. This paper examines an array of longitudinal traffic barriers, having varying service or performance levels, to identify traffic conditions for which the respective barriers would have applications. A benefit/cost procedure was used in the analysis. The end result was a tentative set of suggested barrier performance limits that have application for practically all possible traffic conditions.
Subject Headings: Highway barriers | Traffic safety | Traffic accidents | Highway engineering | Revenues | Highways and roads
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