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
North Dakota
Lane lines in work zones
For standard applications, North Dakota DOT's typical lane line width is 4 inches. Wider lines are used for turn lanes. NDDOT does not implement wider lane lines in work zones. Work zone applications … [Read more...] about Lane lines in work zones
Requirements for work or shadow vehicles to have Truck-Mounted Attenuator (TMA)
North Dakota requires truck-mounted attenuators (TMAs) on the pavement marking installation for the protection vehicle behind the painting train. Maintenance forces use the TMA when the work is in a … [Read more...] about Requirements for work or shadow vehicles to have Truck-Mounted Attenuator (TMA)
Requirement for using channelizing devices (e.g. cones) to separate traffic from the work area for a work operation
North Dakota uses flaggers with pilot cars on most of its two-lane two-way roadways on paving projects. Crews provide work zone signing at the beginning and end of the paving operation with the Work … [Read more...] about Requirement for using channelizing devices (e.g. cones) to separate traffic from the work area for a work operation
Use of flashing stop/slow paddle
North Dakota DOT gave flashing stop/slow paddles to flaggers at three maintenance projects in the state. At one of the projects, the pavement had sunk, creating a dangerous situation for motorists who … [Read more...] about Use of flashing stop/slow paddle