Most State and many other transportation departments in the U.S. maintain roadway and/or work zone design manuals containing State specific regulations, policies, and design guidance for their … [Read more...] about Guidelines for Work Zone Designers – Positive Protection
Temporary Barriers
Impact of Mobile Work Zone Barriers on Driving Behavior on Arterial Roads
In the year 2015, in the United States, a work zone crash occurred once every 5.4 minutes, according to the Federal Highway Administration (FHWA). Work zone barriers can help reduce the risk to the … [Read more...] about Impact of Mobile Work Zone Barriers on Driving Behavior on Arterial Roads
Temporary Barrier Guidance Manual
Temporary barrier is effective in providing positive separation between traffic and work areas. It is primarily used for protecting vehicles from severe hazards (e.g. drop -offs, embankments, fixed … [Read more...] about Temporary Barrier Guidance Manual
Inventory of Best Practices to Prevent Incursions into Work Zones – Literature Review
The aim of this report was to review the literature to identify existing best practices used to prevent incursions into work zones and improve safety of road users and road workers. A systematic … [Read more...] about Inventory of Best Practices to Prevent Incursions into Work Zones – Literature Review
Development of Transition Between Free-Standing and Reduced-Deflection Portable Concrete Barriers
Portable concrete barriers (PCBs) are often used in applications where limited deflection is desired during vehicle impacts, such as bridge decks and work zones. In an earlier study, a reduced … [Read more...] about Development of Transition Between Free-Standing and Reduced-Deflection Portable Concrete Barriers
Use of Positive Protection in Work Zones
While developing a manual on the use of temporary barriers, truck-mounted attenuators and other types of positive protection devices as guidance for designers, construction workers and contractors, … [Read more...] about Use of Positive Protection in Work Zones