Connecticut DOT used signing and flashing lights to warn oversize vehicles of low clearances and positions warnings far enough back to allow vehicles to exit highway prior to clearance restriction. … [Read more...] about Devices and early warning methods used to reduce hits on low-clearance structures
Temporary Traffic Control
Devices and early warning methods used to reduce hits on low-clearance structures
North Dakota DOT uses the standard Advance Warning sign W12-2 and places a W12-2p sign on the structure. Some structures have been hit that have the clearance signed and some of these had the required … [Read more...] about Devices and early warning methods used to reduce hits on low-clearance structures
Devices and early warning methods used to reduce hits on low-clearance structures
Nevada DOT has used an overheight alarm system with very good results on several projects in the past couple of years. The early warning allowed the overheight vehicles to be stopped and redirected … [Read more...] about Devices and early warning methods used to reduce hits on low-clearance structures
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
Work zone use of steel plates
MoDOT does not have any specific guidance on the use/placement of steel plates; but they do have the following guidance on signing for them: From MoDOT Engineering Policy Guide, 616.6.46 STEEL … [Read more...] about Work zone use of steel plates
Work zone use of steel plates with bridge cuts in pavement
Steel plates must be cut out to grade or secured with hot mix material. Use requires a bump sign if the condition exists. … [Read more...] about Work zone use of steel plates with bridge cuts in pavement