On major metropolitan projects, Minnesota has used the SMART WORKZONE. A portable system of cameras and changeable message signs connected to a command center monitors traffic congestion (using … [Read more...] about Traffic management techniques (beyond the MUTCD) used to reduce delay in work zones
Minnesota DOT's in-place traffic management cameras and SMART WORKZONE cameras provide immediate recognition of incidents and enables them to direct maintenance personnel or state troopers to a site … [Read more...] about Incident management techniques on major construction projects
Minnesota Portable Traffic Management System: This smart work zone application was applied on I-94 between St. Paul and Minneapolis, which utilized portable system components with permanent … [Read more...] about Intelligent Transportation System technology in work zones
In Minnesota, inspections take place on every calendar day that traffic control devices are in use. No scheduled time is specified. Written report of each inspection is given to engineer weekly. The … [Read more...] about Work zone inspection requirements, frequency, documentation, etc.
Minnesota DOT requires the use of cones but is having a difficult time enforcing compliance. Because of high volumes of trucks (250 to 300 a day in many cases) contractors and their field inspectors … [Read more...] about Requirement for using channelizing devices (e.g. cones) to separate traffic from the work area for a work operation
Minnesota DOT, locals, and consultants are involved in the design of traffic control plans. Standard consultant problems exist. … [Read more...] about Individual responsible for the design of traffic control plans; Involvement of consultants and associated problems