The authors summarize the results of research conducted to develop and evaluate reduced traffic control sign treatments for short-duration maintenance operations involving lane closures on four-lane … [Read more...] about Traffic Control for Short-Duration Maintenance Operations on Four-Lane Divided Highways
Changeable Message Signs
Implementation of Work-Zone Speed Control Measures
Recommendations for implementing speed control at construction and maintenance work zones are presented. The following implementation steps are identified and discussed: (a) determining the need for … [Read more...] about Implementation of Work-Zone Speed Control Measures
Effectiveness of Changeable Message Displays in Advance of High-Speed Freeway Lane Closures
The objective of the research reported herein was to determine effective advance-message presentation (e.g., display type, message content, placement distance) for lane closures on high-speed … [Read more...] about Effectiveness of Changeable Message Displays in Advance of High-Speed Freeway Lane Closures
Effect of Roadway Geometrics and Large Trucks on Variable Message Sign Readability
One of the most critical aspects of a variable message sign (VMS) is that the sign provide a legibility distance that meets or exceeds the required reading distance by a driver. Whereas the VMS design … [Read more...] about Effect of Roadway Geometrics and Large Trucks on Variable Message Sign Readability
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
Evaluation of Traffic Control Devices for Rural High-Speed Maintenance Work Zones: Second Year Activities and Final Recommendations
This report documents the second year of a two-year project to evaluate the effectiveness of innovative work zone traffic control devices. Researchers evaluated these devices at short-term rural work … [Read more...] about Evaluation of Traffic Control Devices for Rural High-Speed Maintenance Work Zones: Second Year Activities and Final Recommendations
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