The primary objective of the research was to identify and evaluate effective ways of improving traffic operations and safety on congested freeways. There was particular interest in finding … [Read more...] about Traffic Control Strategies for Congested Freeways and Work Zones
Merging Control
Evaluation of Early Merge Static Work Zone Signing in Oklahoma
This research examined the safety and operational benefits of having traffic merge early into the open lane prior to a work zone merge area. A 2007 law in Oklahoma adopted the use of additional “STATE … [Read more...] about Evaluation of Early Merge Static Work Zone Signing in Oklahoma
Evaluation of Supplementary Traffic Control Measures for Freeway Work-zone Approaches
Controlling traffic in work-zones to improve safety continues to be a major concern for highway agencies. Three traffic control devices: white lane drop arrows, the CB wizard alert system, and orange … [Read more...] about Evaluation of Supplementary Traffic Control Measures for Freeway Work-zone Approaches
Alternative Driver Information to Alleviate Work-Zone-Related Delays
The overall objective of the research documented in this report was to find better ways to control traffic at work zones on rural interstate highways. The primary focus was on improving the safety and … [Read more...] about Alternative Driver Information to Alleviate Work-Zone-Related Delays
Dynamic Late Merge Control Concept for Work Zones on Rural Interstate Highways
Conventional traffic control plans for lane closures of rural interstate normally work well as long as congestion does not develop. However, when the traffic demand exceeds the capacity of the work … [Read more...] about Dynamic Late Merge Control Concept for Work Zones on Rural Interstate Highways