Honoré Mercier Bridge | Complete night closure of an exit ramp toward Châteauguay on September 17
September 16, 2025 Honoré Mercier Bridge

From Wednesday, September 17, 10 p.m. to Thursday, September 18, 5 a.m.:

  • Complete night closure of the exit ramp to Hyw.138 West toward Châteauguay 
  • For maintenance work

Please note that this work may be cancelled or postponed depending on work progress and weather conditions.

For information about the Louis-Hippolyte-La Fontaine Tunnel, the Samuel De Champlain Bridge, or any other structures managed by our mobility partners, visit our web page: Network map and partnerships.

Honoré Mercier Bridge | Complete night closure of an exit ramp toward Châteauguay on September 17
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 • In-progress road closures or
    obstructions
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 • 14-day work schedule

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