Mn/DOT has installed one NCHRP Report 350 approved 70 mph attenuator (FASTRACC). Mn/DOT requires the use of NCHRP Report 350 approved TL-3 attenuators on highways. … [Read more...] about Installation of 70 mph attenuators
Minnesota
Salvaged and/or re-galvanized guardrail on construction projects
MnDOT does on occasion salvage existing guardrail and reinstall it in lieu of installing new guardrail. However, MnDOT does not re-galvanize existing guardrail for reuse. Under what circumstances … [Read more...] about Salvaged and/or re-galvanized guardrail on construction projects
Requirements for work or shadow vehicles to have Truck-Mounted Attenuator (TMA)
Minnesota DOT does not require the use of truck-mounted attenuator (TMA) equipped vehicles for the installation of temporary traffic control devices. However, Mn/DOT sometimes uses mobile lane … [Read more...] about Requirements for work or shadow vehicles to have Truck-Mounted Attenuator (TMA)
Time frame allowed for lane closure setup (e.g., 9:00am to 3:30pm)
It has been stated when lane restrictions are not allowed. Therefore, the direct answer to the question is that the lanes have to be open during these times. For the Metro District, a document exists … [Read more...] about Time frame allowed for lane closure setup (e.g., 9:00am to 3:30pm)
“Stay Back. Stay Alive”
"Stay Back. Stay Alive" is Minnesota's winter snow plow safety campaign program. It includes media kits, audio and video PSAs, periodic news releases, billboards, print, interview opportunities, … [Read more...] about “Stay Back. Stay Alive”