In Minnesota, temporary concrete barriers are used under following conditions: roadway cuts, where driving public is endangered (also bridge jobs), or where workers are endangered. … [Read more...] about Conditions for using temporary concrete barriers
Minnesota
Requirement for using channelizing devices (e.g. cones) to separate traffic from the work area for a work operation
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
Worksite traffic supervisor requirement and certification
Minnesota requires worksite traffic supervisors by contract on major jobs. Certification is required. … [Read more...] about Worksite traffic supervisor requirement and certification
Changing light bulbs on overhead signs
Minnesota DOT does not have a departmental policy regarding maintenance work over moving traffic. However, MnDOT's normal practice is not to allow any overhead work by department personnel with … [Read more...] about Changing light bulbs on overhead signs
Nighttime work restrictions and conditions
Some states have found an increase in the amount of work that must be done at night. Minnesota DOT made a commitment to improve the safety of construction work zones by implementing a team to make … [Read more...] about Nighttime work restrictions and conditions
Center lane closure
The first alternative Minnesota DOT would explore when projects require center lane closure would be to completely close the roadway over the weekend(s) or other non-peak times when a total closure … [Read more...] about Center lane closure