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Journal Article

Citation

Amparano FE, Morena DA. Public Roads 2006; 70(1).

Affiliation

Safety and Highway Design Technical Service Team, FHWA Resource Center

Copyright

(Copyright © 2006, U.S. Federal Highway Administration)

DOI

unavailable

PMID

unavailable

Abstract

The Safe, Accountable, Flexible, Efficient Transportation Equity Act: A Legacy for Users (SAFETEA-LU) legislation contains provisions to carry out a program to improve traffic signs and pavement markings in all States consistent with the Federal Highway Administration's (FHWA) Highway Design Handbook for Older Drivers and Pedestrians (FHWA-RD-01-103). The Clearview font results in faster reading, comprehension and reaction times for drivers performing required driving tasks. Signs should be placed at locations that have unobstructed visibility and minimum background clutter. Brighter sheeting materials make signs more conspicuous especially at locations with high levels of visual noise such as guide and regulatory signs in the background. Internally lit street name signs are becoming more widely used at signalized intersections especially in urban areas. Lowering the mounting height increases both the daytime and nighttime conspicuousness of the signs due to the enhanced retroreflectivity of sheeting that is closer in height to a vehicle's headlight. Flashing beacons are used in a variety of ways to provide extra notice to drivers. Pavement markings in particular can be enhanced to provide better guidance which include wider and brighter edge and centerline markings and improvement of wet-night visibility through use of oversized glass beads in paint, raised pavement markers, profile thermoplastic markings, painted rumble strips and painted curb islands. Accordingly, many States are improving the driving environment for older motorists by enhancing delivery of roadway information and visibility of roadway delineation devices.

Language: en

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