MDOT Roundabout Construction

PROJECT TRAFFIC ADVISORY, M-40/M-89, ALLEGAN COUNTY

Roundabout Construction on M-89 at M-40 is underway in the City of Allegan.  The total project includes reconstructing the M-89 at M-40 intersection into a roundabout, resurfacing of M-89 between 2^nd Street and 29^thStreet, sidewalk reconstruction, as well as storm sewer, sanitary sewer, and water main work. Anticipated open to traffic date is August 23, 2024. The total project is anticipated to be done in November, 2024.

The information below is the anticipated traffic changes while traveling within the construction influence area of the Roundabout Construction work.

M-89 ACCESS

• EB/WB M-89 closed at M-40. 
• Access to M-89 will be maintained via detour route. 

M-40 ACCESS

• NB/SB M-40 closed at M-89. 
• Access to M-40 will be maintained via detour route.

LOCAL ROADS ACCESS

• S. Cedar Street closed at M-40. 
• Access to S. Cedar Street will be maintained via Maple Street and Linn Street

• Ely Street closed at M-89. 
• Access to Ely Street will be maintained via Davis Street and Thomas Street.

• Hubbard Street closed at M-89. 
• Access to Hubbard Street will be maintained via Walnut Street.

• Trowbridge Street closed at M-89. 
• Access to Trowbridge Street will be maintained via Pine Street and Walnut Street.

TRUCK ROUTE to ACCESS HOLLAND/FENNVILLE

• Detour map provided below

 DOWNTOWN ALLEGAN RESIDENTIAL/BUSINESS/PEDESTRIAN ACCESS

• Downtown Allegan will be accessible via M-222 (Grand Street)
• Pedestrian Access will be maintained via detour route.  See local map below.
• Access to residential homes within the closure will be maintained via Trowbridge Street and Hubbard Street.
• Access to Community Gathering Centers will be maintained via Hubbard Street.

Access to residential homes and businesses on Hubbard Street and Trowbridge Street between N Cedar Street and Walnut Street will be maintained via two-way traffic from Walnut Street.


Downtown Allegan Accessibility (provided by Downtown Allegan)


Truck Detour Route (provided by MDOT)
for truck traffic utilizing M89 to access Fennville/Holland


Truck Detour Route (provided by MDOT)
for truck traffic utilizing M89 to access Fennville/Holland


Pedestrian Detour Route (provided by MDOT)