The need for positive barriers in construction zones is now based on individual judgment, and there is an expressed need for objective barrier placement criteria. The number, diversity, and … [Read more...] about Guidelines for Positive Barrier Use in Construction Zones
Software
Developing a Scheduling Tool for Work Zones on Houston Freeways
In Houston the condition of the existing highway network has deteriorated at a far greater rate than can be maintained without affecting traffic severely or endangering the safety of maintenance … [Read more...] about Developing a Scheduling Tool for Work Zones on Houston Freeways
Lane Closures at Freeway Work Zones: Simulation Study
A study of freeway lane closures at work zones is described. It involved the development of a microscopic computer-simulation model. Vehicles in platoons are controlled by a car-following rule. The … [Read more...] about Lane Closures at Freeway Work Zones: Simulation Study
QuickZone
QuickZone is an easy-to-use, spreadsheet-based traffic analysis tool that compares the traffic impacts for work zone mitigation strategies and estimates the costs, traffic delays, and potential … [Read more...] about QuickZone
Strategic Work-Zone Analysis Tools
The Strategic Workzone Analysis Tools (SWAT) program is a new FHWA initiative. Four tools are being developed as part of the initiative: an Expert System software program, a traffic impact analysis … [Read more...] about Strategic Work-Zone Analysis Tools
A QuickZone Tailor-Made for Maryland
The prototype version of QuickZone, a new work zone delay estimation software developed by the Federal Highway Administration (FHWA) and Mitretek Systems, is now available for use and assessment by … [Read more...] about A QuickZone Tailor-Made for Maryland