This paper describes the collection and use of 1.4 million travel time records that were collected over a 12-week period in 2009 to evaluate and communicate quantifiable travel mobility metrics for a … [Read more...] about Real-Time Measurement of Travel Time Delay in Work Zones and Evaluation Metrics Using Bluetooth Probe Tracking
Joint Merge and Its Impact on Merging Speeds in Lane Reduction Areas of Construction Zone
To increase the efficiency and safety of traffic flow in the vicinity of lane reduction transition areas, engineers have begun to use innovative techniques to facilitate traffic flow through these … [Read more...] about Joint Merge and Its Impact on Merging Speeds in Lane Reduction Areas of Construction Zone
Interaction Between System Design and Operations of Variable Speed Limit Systems in Work Zones
Variable speed limits (VSLs) have been shown to improve safety and operations on European freeways, but work zone applications of VSLs have been limited. In July 2008, a VSL system was installed on a … [Read more...] about Interaction Between System Design and Operations of Variable Speed Limit Systems in Work Zones
Improving the Safety of Mobile Lane Closures
Mobile lane closures, which are increasingly used, are a potentially hazardous traffic control procedure for highway maintenance and operations activities. To improve the safety of workers and … [Read more...] about Improving the Safety of Mobile Lane Closures
Evaluating Innovative Ideas in Pedestrian Signing for Temporary Traffic Control
A laboratory study of human factors was conducted to evaluate enhanced signing options that provide pedestrians in temporary traffic control areas with improved information on sidewalk closures. … [Read more...] about Evaluating Innovative Ideas in Pedestrian Signing for Temporary Traffic Control