North Dakota DOT has not done specific research concerning vehicle warning light effectiveness. Strobe and LED lights are allowed on NDDOT vehicles and equipment. LED lighting is preferred and used … [Read more...] about Vehicle warning lights
North Dakota
Design and oversight of work zone operations
North Dakota has a Traffic Control Review Team consisting of Traffic Engineers in Design, Traffic Operation in Planning, Assistant Construction Engineer, Engineer Support in Maintenance, and Traffic … [Read more...] about Design and oversight of work zone operations
Flagger training and certification requirements
From North Dakota Department of Transportation Standard Specifications for Road and Bridge Construction: "Flaggers. Before individuals will be allowed to perform flagging, the Engineer must receive … [Read more...] about Flagger training and certification requirements
Work zone impact thresholds
On high-volume, high-speed traffic roadways in North Dakota where the entire roadway must be closed because of the work requirements such as erection of beams over the roadway, the state requires … [Read more...] about Work zone impact thresholds
Permit requirements to install/erect temporary traffic control warning signs and other temporary traffic control devices along roadways
North Dakota has adopted the MUTCD as its standard. When a permit is issued by the department to cross or use state right of way it must conform to the requirements of the MUTCD and Traffic Control … [Read more...] about Permit requirements to install/erect temporary traffic control warning signs and other temporary traffic control devices along roadways
Application of types of temporary/removable pavement marking material and special linestriping material
Depending on the type of roadway surfacing to be placed, the North Dakota DOT uses the following for work zone temporary pavement: For pavement recycling on divided highways where two-lane two-way … [Read more...] about Application of types of temporary/removable pavement marking material and special linestriping material