This research examines the use of radar equipped portable changeable message signs to reduce driver speeds in South Carolina DOT work zones. The 85th percentile speed, mean speed, and percentage of … [Read more...] about Use of Radar-Equipped Portable Changeable Message Sign to Reduce Vehicle Speed in South Carolina Work Zones
Work Zone Safety Information Clearinghouse
Library of Resources to Improve Roadway Work Zone Safety for All Roadway Users