With construction season approaching, the Illinois Department of Transportation wants drivers to use the zipper merge technique when approaching lane closures. Experts believe that is the quickest way … [Read more...] about What is the Zipper Merge? Illinois Law Brings Technique to Highways, Rulebook
Merging Control
The Dynamic Merge: Using Traffic Volume Based Signing to Improve Workzone Throughput
Roadwork that results in a lane closure can reduce both the safety and efficiency of a roadway. The dynamic merge is a form of merge control designed to mitigate the potential hazards of lane closures … [Read more...] about The Dynamic Merge: Using Traffic Volume Based Signing to Improve Workzone Throughput
Dynamic Lane-Based Signal Merge Control for Freeway Work Zone Operations
Traditional merge control strategies cannot yield the expected effectiveness under heavy traffic conditions at freeway work zones because inevitable traffic conflicts resulting from complex merging … [Read more...] about Dynamic Lane-Based Signal Merge Control for Freeway Work Zone Operations
Modeling Highway Performance Under Various Short-Term Work Zone Configurations
Federal rules mandate state departments of transportation and metropolitan planning organizations to measure and report on the performance of highways within their jurisdictions. Those rules support … [Read more...] about Modeling Highway Performance Under Various Short-Term Work Zone Configurations
Evaluation of Traffic Control Options in Work Zones
Lane closures for work zones along freeways produce bottlenecks. These bottlenecks are problematic due to loss of capacity and excessive lane changes, which impact the facility performance represented … [Read more...] about Evaluation of Traffic Control Options in Work Zones
Safety Impacts of Signalized Lane Merge Control at Highway Work Zones
Lane closures due to highway work zones present many challenges to the goal of ensuring smooth traffic operations and a safe environment for both drivers and workers. Late merge behavior at a work … [Read more...] about Safety Impacts of Signalized Lane Merge Control at Highway Work Zones