
If you’re driving through York Region on March 23, 2025, don’t let surprise lane closures throw your day off course. Four planned closures on Highway 404 are scheduled for ongoing maintenance, and the best route is always the informed one.
Here’s a detailed look at where—and when—to expect disruptions:
🚧 Highway 404 Northbound — Markham to Richmond Hill
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Between: 16th Avenue and Major Mackenzie Drive
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Lanes Affected: Three alternating lanes closed
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Timing: March 17 at 9 p.m. to March 22 at 6 a.m.
🚧 Highway 404 Southbound — Aurora to Richmond Hill
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Between: Vandorf Sideroad and Bethesda Sideroad
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Lanes Affected: One right lane closed
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Timing: March 19 at 8 p.m. to March 21 at 5 a.m.
🚧 Highway 404 Southbound — Richmond Hill to Markham
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Between: Major Mackenzie Drive and 16th Avenue
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Lanes Affected: Three alternating lanes closed
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Timing: March 17 at 9 p.m. to March 22 at 5 a.m.
🚧 Highway 404 Southbound — Markham to Toronto
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Between: Highway 7 and Steeles Avenue
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Lanes Affected: Two left lanes closed
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Timing: March 19 at 9 p.m. to March 22 at 5 a.m.
All closures are scheduled by Ontario’s Ministry of Transportation and may shift due to weather or unforeseen circumstances. If you’re commuting or planning a trip through the region, consider alternate routes or leaving earlier than usual.
Stay informed, drive safe, and avoid unnecessary gridlock.