Changeable Message Sign Displays During Non Incident Non Roadwork Periods
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Changeable Message Sign Displays During Non-incident, Non-roadwork Periods
Author: Conrad L. Dudek
language: en
Publisher: Transportation Research Board
Release Date: 2008
Continuing Project to Synthesize Information on Highway Problems
TRB's National Cooperative Highway Research Program (NCHRP) Research Results Digest 309: Continuing Project to Synthesize Information on Highway Problems is a digest of the progress and status of NCHRP Project 20-5, "Synthesis of Information Related to Highway Problems."