Design standards includes standard drawings in the following categories: Traffic Control; Traffic Lighting; Traffic Signal; Traffic Signing; Traffic Safety; and Traffic Notes. … [Read more...] about Design Standards
Barriers (Roads)
W-Beam Guardrail Repair and Maintenance
This document was prepared under the Rural Transportation Assistance Program Project 70 by the Technology Transfer Center, Iowa State University, Ames, Iowa, and disseminated under the sponsorship of … [Read more...] about W-Beam Guardrail Repair and Maintenance
Triton Barrier
The Triton Barrier(R) is a steel-reinforced, water-filled portable barrier made of polyethylene plastic. This crashworthy work zone barrier shields crews and prevents vehicle penetration into the work … [Read more...] about Triton Barrier
Guardsafe 36 Barricades
This water-filled longitudinal barrier's units are molded from low-density polyethylene and have a minimum wall thickness of 0.25 inch. The general dimensions of the Guardsafe and its coupling kit are … [Read more...] about Guardsafe 36 Barricades
MGS Terminals (Midwest Guardrail System with 31″ Rail Height)
The rail uses 150 mm x 200 mm routed steel blockouts and a minimum rail thickness (before galvanizing) of 1.90 mm. … [Read more...] about MGS Terminals (Midwest Guardrail System with 31″ Rail Height)