Coquitlam, BC
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Expect Delays: Weekend Roadwork at Mariner Way & Dewdney Trunk Road

Commuters and residents are advised to avoid the intersection of Mariner Way and Dewdney Trunk Rd starting 8 p.m. on July 3 to 6 a.m. on July 6. Traffic will be reduced to a single lane in each direction due to Metro Vancouver’s water main project.

Road Work and Construction Posted on July 02, 2026

What:  Metro Vancouver Dewdney Trunk Road Water Main Construction 

Where:  Intersection of Mariner Way and Dewdney Trunk Road (Location Map)

When:  Friday, July 3 from 8 p.m. until 6 a.m. Monday, July 6. Due to high weekday traffic volumes on Mariner Way, work will take place 24 hours a day.

Traffic Impacts:   Traffic on Mariner Way will be reduced to a single lane in each direction through the intersection, and turn restrictions may be in place.

  • Avoid the Area: Crews will work continuously, 24 hours per day. Drivers are strongly encouraged to use an alternate route to bypass the construction zone entirely and plan more travel time to get to their destination.
  • Safety First: If you must travel through the area, please drive with extreme caution. Watch for work crews, heavy equipment, and obey all traffic control personnel and construction speed limits.

For more information, please contact:
Metro Vancouver Information Centre: 604-432-6200
After Hours Emergency: 604-451-6610
Email: icentre@metrovancouver.org (Include “Dewdney Trunk Road Water Main – Mariner Way Section” in the subject line of your email)
Website: metrovancouver.org (Search for “Dewdney Trunk Road Water Main – Mariner Way Section” for more information or to sign up for project updates)


Contact Us

  1. 3000 Guildford Way

    Coquitlam, BC Canada V3B 7N2

    Map to City Hall


    Hours: Mon to Fri, 8 a.m.-5 p.m.

    Reception: 604-927-3000

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