Details for Capital/Cedar Interchange Project

Capital/Cedar Interchange Project
Ramp Closures

US-12 Westbound to I-15 Northbound on-ramp at Capitol Interchange and the I-15
Northbound off-ramp at Cedar Interchange will be closed starting Sunday, September 25th at
10:00 P.M. The ramps will re-open on Saturday, October 1st at 7:00 P.M.
For traffic on US-12 Westbound to I-15 Northbound on-ramp at Capitol Interchange:
US-12 Westbound traffic will need to use one of two detours. Take Carter Drive North to Airport
Road and turn left heading West continuing to Cedar Interchange and take the I-15 Northbound
on-ramp to continue on I-15 North. US-12 Westbound can also continue West to Montana
Avenue turning right or North to Cedar Street. Take a right at Cedar Street and continue East to
the Cedar Interchange and take the I-15 Northbound on-ramp to continue on I-15 North.
For traffic on I-15 Northbound exiting on the off-ramp at Cedar Interchange:
I-15 Northbound traffic wanting to exit at the off-ramp at Cedar Interchange will need to
continue to the Custer Interchange and take the off-ramp.
Motorists should watch for the message boards and detour signs on US-12 Westbound and I-15
Northbound for information on closures and direction for the detour. Motorists are reminded to
travel at posted speeds and obey all posted signs and watch for workers in the construction zones.
Fines double in work zones.
Contact information:
Don Charters, Sletten Construction Project Manager • 406-788-2068
Craig Shanoltzer, Sletten Construction Superintendent • 406-403-1245
Jack Carlson, MDT Project Manager • 406-431-0074

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