Road and Lane Closures

For your safety, please reduce your speed and exercise caution when traveling through or around work zones and detours.

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Ann Arbor construction and utility closures

When: 7 a.m. Wednesday Dec. 10 – 5 p.m. Tuesday Dec. 23, 2025

Why: City Contractor, SAK Construction, will be lining sanitary and storm sewers.

Detour route and other travel impacts:

  • All westbound Miller Avenue vehicle traffic will be detoured by traveling south on North Ashley Street, then west on Huron Street, then north on Chapin Street.
  • All eastbound Miller Avenue vehicle traffic will be detoured by traveling south on Chapin Street, then east on Huron Street, then north on North Ashely Street.
  • Westbound Miller Avenue pedestrian and bike traffic will be detoured by traveling north at North Ashley Street, then west on Miller Aveune, and west across North First Street.
  • Northbound First Street pedestrian and bike traffic will be detoured by traveling west across North First Street at Ann Street, then north on North First Street.
  • Emergency vehicles are advised to follow the posted detour.
  • Access to driveways within the closure will be maintained.

Contacts:

Brandon Stangle, SAK Construction | 636.385.1000 | bstangle@sakcon.com

Igor Kotlyar, Project Manager, City of Ann Arbor | 734.794.6410 ext. 43634 | Ikotylar@a2gov.org

When: 7 a.m. Tuesday, Dec. 2- 5 p.m. Saturday, Dec. 13, 2025

Why: Glen Avenue Emergency Sanitary Sewer Repair

Detour route and other travel impacts:

  • Vehicles traveling on WB on Fuller Road will continue west on Fuller Street, Depot Street, then turn south on Main Street, then turn east on Huron Street. 
  • Northbound vehicles seeking to travel to EB Fuller Road will travel west on Huron, turn north on Main Street, East on Depot Street, to Fuller Street, then turn north on Fuller Road.

UofM Parking Structure access

  • M-61 (Catherine-Glen) Access will be maintained to both exit and entrances however the intersection of Glen and Catherine will be closed. Vehicles will need to drive around “Closed to Thru Traffic” barricade.
  • M-86 (Ann St) Access will be maintained to the single exit and entrances off Ann St. The Ann street intersection will be closed at Glen north of Ann.
  • M-5 (Catherine St)  Access will be maintained to the single exit and entrances off Catherine. Upon exiting the structure, vehicles will need to travel to W Medical Center Dr. The Intersection of Glen and Catherine will be closed. Vehicles will need to drive around “Closed to Thru Traffic” barricade.
  • Pedestrian access will be maintained along the East side of Glen Ave.

Emergency vehicles are advised to follow the posted detour, however, access to driveways within the closure will be maintained.

Contacts:

John Niemiec, President, E.T. MacKenzie | 734.761.5050 | jniemiec@mackenzieco.com     

Nicholas Bayley, Project Engineer, City of Ann Arbor | 734.794.6410 ex 43685 | nbayley@a2gov.org

When: 7 a.m. Monday, Nov. 24, 2025 - 5 p.m. Wednesday, May 31, 2028

Why: South University will be fully closed to vehicular traffic to facilitate construction of a new high-rise residential building.

Detour route and other travel impacts:

  • Vehicles traveling east on South University Avenue will detour south on Church Street, then east on Willard Street, then north on South Forest Avenue to South University Avenue.
  • Vehicles traveling west on South University Avenue will be detoured south on South Forest Avenue, then west on Willard Street, then north on Church Street to South University Avenue.
  • Emergency vehicles are advised to follow the posted detour, however, access to driveways within the closure will be maintained.
  • Pedestrians and bicyclists will be detoured along the north side of South University Avenue and within a covered pedestrian tunnel between East University Avenue and South Forest Avenue.

Contacts:

Michael Milligan, Landmark Urban Construction, 850.776.7405, michael.milligan@landmarkproperties.com

Ron Alburtus, Eagle Excavating, 810.691.2160, ralburtus@eeifield.com

Nichole Woodward, City Project Manager, 734.794.6410 ext. 43909, nxwoodward@a2gov.org

When: 9 a.m. Tuesday, Oct. 28 - 5 p.m. Saturday, Dec. 6, 2025 *closure extended

Why: City contractor Fonson will be installing the cycle track, speed tables, and enhanced crosswalks.

Detour route and other travel impacts:

  • Westbound vehicles will be detoured south on North First Street, then west on West Huron Street, then west on Dexter Avenue, then north on North Maple Road to Miller Avenue.
  • Eastbound vehicles traveling on Miller Avenue will be detoured south on North Maple Road, then east on Dexter Avenue to east on West Huron Street, then north on North First Street to Miller Avenue.
  • Local traffic to and from side streets via Eastbound Miller Avenue.
  • Cyclists are advised to travel to and from downtown Ann Arbor via Dexter Avenue, S Revena Blvd, and West Washington Street.
  • Pedestrian traffic will be maintained, with detours posted as necessary during sidewalk replacement work.
  • Emergency vehicles are advised to follow the posted detour, when possible. However, emergency vehicle access will be maintained as needed.
  • Access to driveways within the closure will be maintained.

Contact: Theresa Bridges, Project Manager | 734.794.6410 ext. 43672 | tbridges@a2gov.org

When: 9 a.m. Friday, Sept. 5 - 5 p.m. Wednesday, Dec. 10, 2025 (updated)

Why: City contractor Fonson will be installing an underground water main and repairing the concrete road.

Detour route and other travel impacts: 

  • All northbound vehicle and bicycle traffic will be detoured by traveling west on East Eisenhower Parkway, then north on South State Street, and east on Stimson Street.
  • Only southbound traffic will be maintained on South Industrial. Pedestrian access will be unaffected.
  • Emergency vehicles are advised to follow the posted detour.
  • Access to driveways within the closure will be maintained.

Contacts           

City: Francisca Chan, Project Manager, City of Ann Arbor | 734.794.6410 ext. 43701 | fchan@a2gov.org 

Fonson: Malek Dibah, Project Manager, Fonson | 810.231.5188 | Malek@fonsoninc.com 

When: 7 a.m. Monday, Feb. 10, 2025 – 7 p.m. Thursday, Apr. 1, 2027

Why: The private development at 711 Church Street will require a lane closure of the northbound traffic lane of Church Street to construct their new apartment building. 

Detours and other travel impacts:

  • Northbound Church Street traffic will be detoured west onto Hill Street, north onto East University Avenue, ease onto Willard Street, and then north back to Church Street.
  • Pedestrian traffic will be maintained on the west side of Church Street.

When: 7 a.m. – 7 p.m. Tuesday, April. 8– Friday, Jan. 2, 2026 *closure extended

Why: The University of Michigan’s South Fifth Housing and Dining project will be installing utility service leads and water main in South Division Street. After utility installation, South Division Street will be repaved. 

Detours and other travel impacts

  • Southbound traffic on South Division Street will be detoured east onto Hill Street, southeast onto Packard Street, south onto State Street, and back west onto East Hoover Avenue.
  • Northbound traffic on South Division Street will be detoured east onto East Hoover Avenue, north onto State Street, northwest onto Packard Street, west onto Hill Street, and north back to South Division Street.
  • Westbound traffic on Benjamin Street will be detoured north on Sybil Street, west on Hill Street, and back north on South Division Street.
  • Benjamin Street between South Division Street and Sybil Street will remain accessible to local traffic only.
  • Northbound cycle traffic on South Division Street will be detoured west on East Hoover Avenue, north on Greene Street, east on Hill Street, and north back to South Division Street.
  • Southbound cycle traffic will be detoured west onto Hill Street, south on Greene Street, and east back to Hoover Street.
  • Southbound pedestrian traffic on South Division Street will be detoured south on the sidewalk on the east side of Division Street, east on the sidewalk on the north side of Benjamin Street, south across the western crosswalk crossing Benjamin Street at Sybil Street, west on the sidewalk on the south side of Benjamin Street, and back south on the sidewalk on the east side of South Division Street.
  • Northbound pedestrian traffic on South Division Street will be detoured north on the sidewalk on the east side of Division Street, east on the sidewalk on the south side of Benjamin Street, north across the western crosswalk crossing Benjamin Street at Sybil Street, west on the sidewalk on the north side of Benjamin Street, and back north on the sidewalk on the east side of South Division Street. 

Contacts

City: Anne Litch, Project Manager | 734.794.6410 ext. 43642 | alitch@a2gov.org 

Project: Sean Havera, Project Manager | 313.410.6488 | sean.havera@christmanco.com

 

 

Special Event Closures

(Unless otherwise noted, special events listed are not sponsored or endorsed by the City of Ann Arbor.)​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​

From 7 a.m. to 11 p.m on Friday, Dec. 5, 2025, the following street will be closed for the KindleFest 2025 special event:

  • Detroit Street between Catherine and Fifth Streets

From 9 a.m. to midnight on Friday, Dec. 5, 2025, the following streets will be closed for the Downtown Ann Arbor Midnight Madness Events:

  • South Main Street between William and Washington
  • Liberty from Ashley to Fourth

Michigan Department ​of Transportation (MDOT) and Washtenaw County

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