Warning Lights
Vehicle warning lights
Iowa DOT does not have written reports regarding tested use of warning lights. Lights are demonstrated by field test on vehicles to see if they are adequate, but no formal research projects have been … [Read more...] about Vehicle warning lights
Vehicle warning lights
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
Vehicle warning lights
Mississippi DOT has not done any specific research regarding vehicle warning light effectiveness. Rotating halogen, strobe, and LED warning lights are allowed on MsDOT vehicles. Maintenance, … [Read more...] about Vehicle warning lights
Vehicle warning lights
The requirements are included in WSDOT Vehicle and Equipment Warning Light Systems Manual. … [Read more...] about Vehicle warning lights
Vehicle warning lights
The Michigan DOT has not conducted specific research regarding vehicle warning light effectiveness. Rotating halogen, strobe, and LED vehicle warning lights are allowed on DOT vehicles. The following … [Read more...] about Vehicle warning lights