Evaluation of diagrammatic signing at capital beltway exit No. 1. Paper presented at the 51st Annual Meeting of the Highway Research Board HRB, Washington, D.C., January 1972.

Author(s)
Hanscom, F.R.
Year
Abstract

This paper studied the effect of a single diagrammatic sign installed on a complex interchange in Virginia. After erratic maneuvers were classified by type, before-and-after data were collected. The results are discussed and it was found that after installation of the diagrammatic sign, weaving maneuvers in the gore area decreased; partial weaves increased, and accidents were reduced 35 per cent during 11 months.

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Publication

Library number
B 2470 (In: B 2463 S) /73/82/
Source

In: Motorist information systems, Highway Research Record No. 414, 1972, p. 50-58, 8 fig., 3 tab., 2 ref.

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This publication is one of our other publications, and part of our extensive collection of road safety literature, that also includes the SWOV publications.