POSTED 06.26.17
Closures and Detours


  • Starting May 15, two through-lanes will be maintained during peak travel times in each irection of I-75 between M-59 and Coolidge Highway. During the overnight hours, one lane will be open.
  • It is expected by the morning of Friday, May 19, that two-way traffic will be sharing the northbound lanes, with two lanes open in each direction.


EB Square Lake Road NB I-75 Ramp

  • Closed - May-September 2017
  • Detour – NB Woodward to EB M-59


NB I-75 to WB Square Lake Road Ramp

  • Closed - May-September 2017
  • Detour – NB I-75 to University Drive, to SB I-75 to WB Square Lake Road


SB I-75 to WB Square Lake Road Ramp

  • Open


EB Square Lake Road to SB I-75 Ramp

  • Open


EB M-59 to SB I-75 Ramp

  • Closed - May-September 2017
  • Detour – EB M-59 to SB Crooks to SB I-75






The Modernize 75 widening and reconstruction project—in the planning and development stages for nearly 20 years—has started construction on the first segment, North of Coolidge to North of South Boulevard.


  • Connects the Northern Tier to the nation's extensive rail network and economic centers throughout North America
  • Serves as the essential logistics channel for goods produced or consumed in the Northern Tier
  • Moved 964,000 units of consumer goods from ships to logistics parks and distribution centers throughout the country
  • Carried 221.3 million tons of freight in 2013
  • Connects with 13 ocean, river, lake and inland ports
  • Removed over 6 million long-haul trucks from the nation's highways
  • Supports an area with wind energy generation potential of over two million megawatts
  • Serves an area where more than 38 million people live and work



Construction Continues on I-75 and Square Lake Road Interchange

Click the links below to see photos of the progress.

View Photo #1

View Photo #2

View Photo #3


3M and MDOT Partner on Connected Work Zone on I-75

Today, 3M and the Michigan Department of Transportation (MDOT) announced they are partnering to utilize connected vehicle technologies along more than 3 miles of I-75.

View Press Release



Construction and Motorist Information

Learn more about the Michigan Department of Transportation's two-year, $90.8 million project to modernize I-75 continues this year. Work starts in May and is expected to be finished in September.

View Brochure


The 2017 Traffic Plan for Managing your Commute
Square Lake Improvement
Square Lake Improvement

Construction Progress

The Modernize 75: 2016 Segment is 75.3% complete as of July 22, 2017.

Modernize 75 Project Brochure PDF [449kb]   Mi Drive Interactive Map

A traffic and construction information resource center for driving Michigan roads.