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I-75 sign, guardrail upgrades start April 19

ESCANABA, Mich. - The Michigan Department of Transportation (MDOT) will be investing $3.3 million to upgrade I-75 north of St. Ignace to south of Sault Ste. Marie. Work includes about 57 miles of freeway sign upgrades, overhead sign structures, guardrail upgrades, and reflective roadside delineators. 

Mackinac, Chippewa


Closest cities:
St. Ignace, Sault Ste. Marie

Start date:

Tuesday, April 19, 2022

Estimated end date:
Friday, Oct. 14, 2022

Traffic restrictions:

A minimum of one lane will be open at all times on northbound and southbound I-75. All work will be performed during daytime hours. Work will require intermittent shoulder or single-lane closures. A 12-foot lane width restriction will be in effect.

Jobs numbers: 
Based on economic modeling, this investment is expected to directly and indirectly support 47 jobs.

Safety benefit:
This project will improve sign visibility for motorists. Upgraded guardrails and added delineators will increase safety.

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