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Since 1930, the tunnel between Detroit and Windsor has been serving drivers. This fall the final phaseof $21.9 million in renovations are underway, including replacing the concrete ceiling and other infrastructure improvements.

The tunnel goes as far as a mile below the surface of the Detroit River and serves 12,000 people a day.

Here’s the closure schedule through June of 2018:

  • Oct. 20-30 – The tunnel will be closed from 8 p.m. Oct 20 through 5:30 a.m. Oct 30.
  • Oct. 30-Nov. 22: The tunnel will be closed 8 p.m.-5:30 a.m. Sunday-Thursday.
  • Nov. 23-26: The tunnel will be open to traffic.
  • Nov. 27-Dec. 23: The tunnel will be closed 8 p.m.- 5:30 a.m. Sunday-Thursday.
  • Dec. 23- Jan. 1, 2018: The tunnel will be open to traffic.
  • Jan 2- mid-June: The tunnel will be closed from 8 p.m.- 5:30 a.m. Sunday-Thursday.

The renovations are scheduled for completion in June 2018.  Real-time updates and traffic information will be available online at www.dwtunnel.com, Facebook (www.facebook.com/DWTunnel) and on Twitter (@DetWinTunnel).

Detroit-based American Roads operates the tunnel under a lease with the City of Detroit.