For standard applications, Michigan DOT's typical lane line width is 4" lane lines, 6" edge lines. MDOT does not implement lane lines wider than the typical width.MDOT does not implement wider lane … [Read more...] about Lane lines in work zones
Michigan
Devices and early warning methods used to reduce hits on low-clearance structures
Michigan DOT has used portable changeable message signs and temporary static signs. They were placed quite some distance in advance of low clearance. … [Read more...] about Devices and early warning methods used to reduce hits on low-clearance structures
Use of CB Wizard in work zones
Michigan DOT has used the CB Wizard Alert System in work zones. The system was used in rural stationary construction zones and was perceived to be very effective. Michigan DOT does not have any … [Read more...] about Use of CB Wizard in work zones
Temporary Movable (“Zipper”) Barrier systems in work zones
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
Flagger training and certification requirements
From Michigan Department of Transportation Work Zone Safety and Mobility Manual: "1.06.03 Traffic Regulator Training Individuals involved in traffic regulating operations for work zones must be … [Read more...] about Flagger training and certification requirements
Design and oversight of work zone operations
Work zone design is performed by a number of groups including road and bridge designers, traffic and safety personnel in a project or region offices, or consultants or through standardized drawings of … [Read more...] about Design and oversight of work zone operations