The long-term effectiveness of Speed Monitoring Displays (SMDs) was evaluated as part of the Midwest States Smart Work Zone Deployment Initiative, a pooled-fund study sponsored by Iowa, Kansas, … [Read more...] about Long-Term Effectiveness of Speed Monitoring Displays in Work Zones on Rural Interstate Highways
Managing Speeds
Evaluation of Speed Displays and Rumble Strips at Rural Maintenance Work Zones
This paper describes an evaluation of the effectiveness of speed displays and portable rumble strips at reducing speeds in rural maintenance work zones. Speed displays are radaractivated signs that … [Read more...] about Evaluation of Speed Displays and Rumble Strips at Rural Maintenance Work Zones
Work Zone Speed Control and Management by State Transportation Agencies and Toll Authorities
This paper describes the results of a written questionnaire survey sent to state traffic engineers and their equivalents at toll authorities to determine their practices and policies regarding speed … [Read more...] about Work Zone Speed Control and Management by State Transportation Agencies and Toll Authorities
Effect of Condition-Responsive, Reduced-Speed-Ahead Messages on Speeds in Advance of Work Zones on Rural Interstate Highways
Condition-responsive, reduced-speed-ahead messages were evaluated as part of the Midwest States Smart Work Zone Deployment Initiative, a pooled-fund study sponsored by Iowa, Kansas, Missouri, … [Read more...] about Effect of Condition-Responsive, Reduced-Speed-Ahead Messages on Speeds in Advance of Work Zones on Rural Interstate Highways
Using Speed Display Trailers to Slow Vehicles in Short-Term Work Zones
A speed display trailer was evaluated by the Texas Transportation Institute on both two-lane and four-lane rural roads and proved to have a positive impact on speeds at both locations. … [Read more...] about Using Speed Display Trailers to Slow Vehicles in Short-Term Work Zones
Catalog of Work Zone Speed Control Methods
This report presents a catalog of available speed control methods for work zones. Information contained in the report comes from three sources: a literature review, a telephone survey of SDHPT … [Read more...] about Catalog of Work Zone Speed Control Methods