Traffic

Road and Lane Closures

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​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​City cons​truction and traffic controls     Special​ eve​nt closures​​     MDOT and W​CRC​ project updates     Addition​al​ re​​sources​     Subscri​be ​

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The City of Ann Arbor has partnered with WAZE to provide a better way of learning about traffic controls within the city. To take advantage of this, visit WAZE.com or download the WAZE app.

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Subscribe for alerts on road or lane closures within the City of Ann Arbor​​.​

City of Ann Arbor Construction ​an​d Traffic Controls​​​​​

First Street between Huron and William: Friday, May 1-September, 2020. Beginning on Wednesday, April 1, 2020, southbound ​First street will be closed to traffic between Huron and William as part of the DD​A's First and Ashley Imp​rovements Project. 

Southbound traffic will be detoured eastbound on Huron Street to southbound on Fourth Avenue, westbound on William Street to First Street. Pedestrian through-traffic will be maintained on one side of the street at all times.  ​​

Fourth Avenue, between Huron and Ann Street: Monday, March 23-Friday, April 10, 2020. Beginning on Monday, March 23, Fourth Avenue between Huron and Ann will be closed to traffic for utility work and construction of pedestrian bump-outs. ​

Southbound traffic will be detoured eastbound on Ann Street to southbound on Fifth ​Avenue, westbound on Huron Street to South Fourth Avenue. Northbound traffic will be detoured westbound on Huron Street, northbound on Main Street, eastbound on Ann Street to North Fourth Avenue.

Pedestrian through-traffic will be maintained on one side of the street at all times. ​


South University Avenue, between South State Street and East University: Phase 1 - Monday, March 16-Early May, 2020. Beginning Monday, March 16, through March 22, 2020, South University Avenue will close to traffic in the eastbound direction between South State Street and East University Avenue for utility improvements. During this closure, the contractor will detour traffic southerly on South State Street, easterly on Hill Street, and northerly on Church Street back to South University Avenue. The contractor will maintain one-way traffic on South University Avenue through the construction area with one lane operating in the westbound direction. 

​On, Monday, March 23, 2020, South University Avenue will close completely between South State Street and Tappan Street. Eastbound and westbound through traffic will be detoured using South State Street, Hill Street and Church Street. The contractor will maintain local traffic in the westbound direction between East University Avenue and Tappan Street, and expects this closure and related work to continue through early May 2020, weather permitting.

The contractor will maintain pedestrian traffic during construction.​

Catherine Street, between ​Zina Pitcher Place and Glen Avenue: Thursday, March 5-Thursday, Oct. 1, 2020. Beginning 7 a.m. Thursday, Feb. 27, two lanes of westbound traffic will be maintained through the construction zone. Pedestrian traffic will be maintained on the south side of Catherine Street, and the crosswalk on Catherine Street at Zina Pitcher Place will remain open for access to the Buhl Research Center and the Taubman Health Sciences Library.​ Barton Malow, on behalf of the University of Michigan, will be occupying the northern westbound lane of Catherine Street from Zina Pitcher Place to approximately 350 feet west of Zina Pitcher Place in order to perform reconstruction on university-owned underground facilities. ​​

Huron Street, between Main Street and Division: Monday, March 9-Tuesday, June 30, 2020. The Huron Streetscape Improvement Project will resume on the north side of Huron Street from Main Street to Fifth Avenue. This work includes new street trees, street lights, enhanced crosswalks and other streetscape amenities. 

Beginning Monday, March 9, westbound traffic will be narrowed to one lane from Division Street to Main Street. Pedestrian through-traffic will be maintained on one side of the street at all times. Pedestrian access into businesses will be maintained with the use of temporary surfaces (e.g., rubber mats).​​


​​Special Events​​​​​​​​​​​​​​​​​​​

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

3-11 p.m., Friday, June 12, 2020, the following roads will be closed for the Mayor's Green Fair (PDF) special event:

  • ​South Main Street from William to Huron
  • Liberty from South Ashley to South Fourth
  • Washington from South Ashley to South Fourth (except for traffic entering or exiting the Washington Street Parking Structure)

Michigan Department of Transportation (MDOT) and Washtenaw County Road Commission (WC​RC)​ Projects 

Please note: To stay informed of projects managed by entities other than the City of Ann Arbor, please subscribe directly to receive MDOT updates (follow the link and click the envelope on the left of the page) and consult the WCRC website.

​Additional resources​​​​

State of Michigan Department of Transportation online resource: View a map of local and statewide maintenance, construction, lane closures and restrictions.​​















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