Michigan has used the movable barrier wall on 4 or 5 projects in work zones. The state has used these on freeways where traffic is switched from one side of the road to the other. The zipper wall is … [Read more...] about Temporary Movable (“Zipper”) Barrier systems in work zones
Temporary Concrete Barriers
Temporary Movable (“Zipper”) Barrier systems in work zones
WSDOT owns a couple of the movable barrier systems and has used them primarily on interstate freeway HOV widening projects over the past several years. They work well in adding an additional level of … [Read more...] about Temporary Movable (“Zipper”) Barrier systems in work zones
Temporary Movable (“Zipper”) Barrier systems in work zones
Ohio has had one project where the movable concrete barrier was used. See the given website for plan sheets with plan notes and other plan details. … [Read more...] about Temporary Movable (“Zipper”) Barrier systems in work zones
Placement Guidance for Temporary Concrete Barriers in Construction Work Zones: Developed with Roadside Safety Analysis
An important design decision in construction work zones concerns the use and placement of temporary barriers. The temporary concrete safety shaped barrier is the option preferred by most state … [Read more...] about Placement Guidance for Temporary Concrete Barriers in Construction Work Zones: Developed with Roadside Safety Analysis
Conditions for using temporary concrete barriers
In Indiana, temporary concrete barriers are used under following conditions: bridge work, excessive dropoff areas, and to separate traffic when traffic is two-way on the same side of interstate … [Read more...] about Conditions for using temporary concrete barriers
Conditions for using temporary concrete barriers
In Michigan, temporary concrete barriers are used under the following conditions: separate two-way, two-lane operation on freeway; partial-width bridge construction on any roadway; and others on a … [Read more...] about Conditions for using temporary concrete barriers