Guidelines on the Use of Low-Profile Portable Concrete Barrier in Low to Moderate Speed Work Zones

This guideline highlights use of a low-profile concrete barrier (LPB) in low to moderate speed work zones. The low profile barrier enhances line of sight for drivers, especially where work zones and driveways intersect on grades. The LPB is a tool that can be specified for use on projects where deflection space is appropriate (up to 9 inches) and where traditional portable concrete barrier might limit line of sight and create safety concerns for motorists entering mainline traffic. Many urban and suburban work zones may not be good candidates for traditional PCB because of size, installation requirements, room for placement, and impacts to motorists' line of sight.

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