Short-term lane closure beginning June 21

MANKATO, Minn. – Beginning June 21, motorists traveling through south central and southwest Minnesota can expect short-term lane closures as Road Weather Information Systems (RWIS) stations are installed at six different locations.

The six locations in Blue Earth, Brown, Cottonwood, Faribault, Martin and Rock counties include:

  • I-90 near Magnolia at Milepost (MP) 21.6

  • Highway 60 near Mountain Lake at MP 48.2

  • No detours are required for this project; work will be completed under traffic with flagging operations when lane closures are required for everyone’s safety.

RWIS is an environmental sensor station in the field that is used to collect weather data such as atmospheric parameters, pavement conditions, and visibility. MnDOT uses the information gathered as well as the camera images for maintenance decision support. The information is also sent to the National Weather Service as well as Minnesota’s 511 system. There are currently 125 RWIS systems throughout Minnesota, with an additional 36 systems to be added throughout the state by December 2022.

The project will cost $1.5 million and is scheduled to be complete by mid-September.

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