NCDOT uses movable barrier quite extensively in its work zones, mostly on interstate rehabilitation projects. The barrier system was used on I-95 to close one lane Monday thru Thursday and open it up … [Read more...] about Temporary Movable (“Zipper”) Barrier systems in work zones
Temporary Barriers
Conditions for using temporary concrete barriers
In Illinois, temporary concrete barriers are used under following conditions: head-to-head traffic on interstates, interstate lane closures longer than two weeks, or two-lane roadways and bridges with … [Read more...] about Conditions for using temporary concrete barriers
Temporary Movable (“Zipper”) Barrier systems in work zones
New York has used movable concrete barrier. The New York Thruway Authority has a permanent movable barrier operation on the Tappan Zee Bridge carrying I-87 and I-287 across the Hudson River. Lanes are … [Read more...] about Temporary Movable (“Zipper”) Barrier systems in work zones
Conditions for using temporary concrete barriers
In Minnesota, temporary concrete barriers are used under following conditions: roadway cuts, where driving public is endangered (also bridge jobs), or where workers are endangered. … [Read more...] about Conditions for using temporary concrete barriers