Durham highway closures for planned roadwork on Feb. 17 will impact drivers across Whitby, Pickering, and Oshawa, with multiple overnight and multi-day lane reductions scheduled on Highway 401, Highway 407 ETR, Highway 412, and Highway 12.
Motorists travelling through Durham Region on February 17, 2026, are advised to plan ahead as several lane closures are in effect for short-term maintenance and construction.
Highway 401
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Highway 401 westbound off-ramp at Highway 412 (Whitby): One right lane closed from Feb. 17 at 10 p.m. to Feb. 18 at 6 a.m.
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Highway 401 eastbound between Brock Road (Pickering) and Harmony Road (Oshawa): Three alternating lanes closed from Feb. 12 at 11 p.m. to Feb. 19 at 5 a.m.
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Highway 401 westbound between Harmony Road (Oshawa) and Brock Road (Pickering): Three alternating lanes closed from Feb. 12 at 11 p.m. to Feb. 19 at 5 a.m.
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Highway 401 westbound between Brock Road (Pickering) and Morningside Avenue (Toronto): Two alternating lanes closed from Feb. 17 at 11:59 p.m. to Feb. 24 at 5 a.m.
Highway 412
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Highway 412 northbound on-ramp at Highway 401 (Whitby): One right lane closed from Feb. 17 at 10 p.m. to Feb. 18 at 6 a.m.
Highway 407 ETR
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Highway 407 ETR eastbound between Lake Ridge Road and Highway 412 (Whitby): One right lane closed from Feb. 18 at 10 p.m. to Feb. 19 at 6 a.m.
Highway 12
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Highway 12 northbound between Talbot River Bridge (Ramara) and Atherley Road (Orillia):
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One alternating lane closed from Feb. 17 at 8 p.m. to Feb. 21 at 7 a.m.
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Additional closure scheduled from Feb. 22 at 8 p.m. to Feb. 28 at 7 a.m.
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Drivers are encouraged to allow extra travel time and check traffic updates before heading out. These Durham highway closures for planned roadwork on Feb. 17 may cause delays during overnight hours.
