This report presents a model, QUEWZ, which can be used to calculate the user costs resulting from lane closures through a work zone. QUEWZ calculates the delay costs and speed-change cycling costs of … [Read more...] about Model to Calculate the Road User Costs at Work Zones
Facilities
Field Evaluation of Flashing Arrowboards at Freeway Work Zones
This report documents research conducted in the evaluation of flashing arrowboards when located in advance of lane closure work zones. The effects of supplemental arrowboard placement were compared to … [Read more...] about Field Evaluation of Flashing Arrowboards at Freeway Work Zones
Traffic Capacity Through Work Zones on Urban Freeways
The report summarizes findings of capacity studies conducted at urban freeway maintenance and construction work zones in Houston and Dallas. Studies were conducted on 5-, 4-, and 3-lane freeway … [Read more...] about Traffic Capacity Through Work Zones on Urban Freeways
Effects of Work Zone Detours on Rural Highway Traffic Operations
The study examines tow US 59 work zone sites and their impact on rural highway traffic. After first recording typical traffic under free-flow conditions (using infrared sensors and reflectors mounted … [Read more...] about Effects of Work Zone Detours on Rural Highway Traffic Operations
Modeling and Optimization of the Indiana Lane Merge Control System on Approaches to Freeway Work Zones
Severe traffic turbulence on entry sections of freeway work zones increases the delays and risk of crash. A new Indiana Department of Transportation system called Indiana Merge Lane System (IMLS) … [Read more...] about Modeling and Optimization of the Indiana Lane Merge Control System on Approaches to Freeway Work Zones
Road Work Zone Review of Behavioural Studies, Accident Studies and Research Methods
The main objectives of Workpackage 2 were to evaluate the potential of road work zone measures for achieving desired driver behaviour and improving the safety of both road workers and road users and … [Read more...] about Road Work Zone Review of Behavioural Studies, Accident Studies and Research Methods