This study investigated methods for improving the effectiveness of speed feedback trailers (SFTs) when used as a speed management strategy in highway work zones. The research included a literature … [Read more...] about Improving the Effectiveness of Speed Feedback Trailers in Freeway Work Zones
Evaluation and Assessment
Work Zone Intrusion Alert System Technology Tests
This study will evaluate the effectiveness of the work zone intrusion detection and alert system prototype that was developed by Dr. Erol Ozan. The project team tested the system at selected actual … [Read more...] about Work Zone Intrusion Alert System Technology Tests
Resources to Support Work Zone Management Capability Maturity Framework Users
The Work Zone Management (WZM) Capability Maturity Framework (CMF) assesses the capability of an agency to effectively manage work zone traffic, which includes assessing work zone impacts and … [Read more...] about Resources to Support Work Zone Management Capability Maturity Framework Users
Effectiveness of Contrast Markings on Roadways and Orange Markings in Work Zones
Lane departure crashes are a leading cause of fatalities and injury crashes on roadways. To solve this problem, innovative marking in the form of contrasted white on concrete sections and orange … [Read more...] about Effectiveness of Contrast Markings on Roadways and Orange Markings in Work Zones
Data-Driven Work Zone Process Reviews Case Study: Iowa Department of Transportation
Federal regulations in 23 CFR part 630 subpart J require State highway agencies to conduct a Work Zone Process Review (WZPR) every 2 years to evaluate work zone processes and procedures, as well as … [Read more...] about Data-Driven Work Zone Process Reviews Case Study: Iowa Department of Transportation
Data-Driven Work Zone Process Reviews Case Study: Kentucky Transportation Cabinet
Federal regulations in 23 CFR Part 630 Subpart J require States to conduct a work zone process review (WZPR) every 2 years to evaluate work zone processes and procedures, as well as identify … [Read more...] about Data-Driven Work Zone Process Reviews Case Study: Kentucky Transportation Cabinet