Traffic control plans are designed by state/consultants and reviewed by District Traffic Control Supervisor. There have been problems with the involvement of consultants. … [Read more...] about Individual responsible for the design of traffic control plans; Involvement of consultants and associated problems
Illinois
Requirements for work or shadow vehicles to have Truck-Mounted Attenuator (TMA)
Illinois requires that work zone lane closures be set up in the direction of traffic flow. Vehicles used in this process may work out of the closed lane. Work zone take-down is done in the reverse … [Read more...] about Requirements for work or shadow vehicles to have Truck-Mounted Attenuator (TMA)
Type of sheeting specified on signs
In Illinois, fluorescent orange (diamond grade) sheeting is specified on freeway and selected project warning signs; stimsonite prismatic or high-intensity material is required on all other warning … [Read more...] about Type of sheeting specified on signs
Time frame allowed for lane closure setup (e.g., 9:00am to 3:30pm)
Illinois defines closure and opening times for holiday weekend periods. When opening a roadway for a holiday weekend, all lanes must be open and unnecessary equipment removed from the lane and … [Read more...] about Time frame allowed for lane closure setup (e.g., 9:00am to 3:30pm)
Work zone implementation of intelligent transportation systems
Illinois uses video detection equipment for incident detection in a work zone to allow messages to change on changeable message signs as conditions warrant. Illinois is using Autoscope (a product by … [Read more...] about Work zone implementation of intelligent transportation systems
Personal protective equipment requirements
Illinois DOT requires its employees to wear: Hard hats: All supervisors are mandated to wear and require their employees to wear protective hard hats/caps when they are in an area where there is … [Read more...] about Personal protective equipment requirements