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
FHWA Helps Deliver QuickZone to Transportation Agencies
To help mitigate the traffic delays and costs associated with work zones, the Federal Highway Administration (FHWA) currently is providing training sessions on QuickZone, a user-friendly, … [Read more...] about FHWA Helps Deliver QuickZone to Transportation Agencies
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