Durham highway closures for planned roadwork on July 16

Highway 12, Highway 35, Highway 35/115, Highway 401, Highway 407 ETR, Highway 412, Highway 418 and Highway 7/12 are affected

Expect delays along the following routes — 55 closures are scheduled for roadwork on provincial highways in Durham on July 16, 2026: - Nightly Highway 401 westbound between Highway 35/115 and Liberty St, Clarington: two left lanes closed from July 15 at 7 p.m. until July 17 at 6 a.m. - Nightly Highway 35/115 southbound between Highway 35 and Highway 401, Clarington: one alternating lane closed from July 16 at 6 p.m. until July 31 at 8 a.m. - Nightly Highway 407 ETR westbound between Highway 35/115, Clarington and Harmony Road N, Oshawa: one alternating lane closed from July 7 at 10 p.m. until July 19 at 6 a.m. -

Nightly Highway 401 westbound between Harmony Road and Ritson Road, Oshawa: two alternating lanes closed from July 12 at 10 p.m. until July 17 at 5 a.m. - Nightly Highway 7/12 southbound between Highway 7 North Junction / Brock Township 8th Line, Sunderland and Columbus Road, Whitby: one right lane closed from July 19 at 6:30 p.m. until July 31 at 6:30 a.m. - Nightly Highway 412 southbound between Highway 407 and Highway 401, Whitby: one alternating lane closed from July 19 at 10 p.m. until July 26 at 6 a.m. - Nightly Highway 401 eastbound between Harmony Road, Oshawa and Boundary Road, Port Hope: one alternating lane closed from July 16 at 6 p.m. until July 31 at 8 a.m. -

Nightly Highway 412 northbound on-ramp at Highway 401, Whitby: one right lane closed from July 21 at 10 p.m. until July 23 at 6 a.m. - Nightly Highway 401 eastbound between Liberty Street and Highway 35/115, Clarington: two left lanes closed from July 15 at 7 p.m. until July 17 at 7 a.m. - Nightly Highway 418 southbound between Highway 407 and Highway 401, Clarington: one alternating lane closed from July 14 at 10 p.m. until July 21 at 6 a.m. -

Nightly Highway 407 ETR westbound between Highway 35/115, Clarington and Harmony Road N, Oshawa: one alternating lane closed from July 14 at 10 p.m. until July 21 at 6 a.m. - Nightly Highway 12 northbound between Talbot River Br, Ramara and Atherley Rd, Orillia: one alternating lane closed from July 26 at 8 p.m. until Aug. 1 at 7 a.m. - Nightly Highway 412 southbound between Highway 7 and Taunton Rd, Whitby: one alternating lane closed from July 13 at 10 p.m. until July 18 at 6 a.m. -

Nightly Highway 401 eastbound between Courtice Road, Courtice and Holt Road, Clarington: one alternating lane closed from July 14 at 10 p.m. until July 21 at 5 a.m. - Nightly Highway 401 westbound between Highway 35/115, Clarington and Harmony Road, Oshawa: one alternating lane closed from July 16 at 6 p.m. until July 31 at 6 a.m. - Nightly Highway 401 westbound off-ramp at Courtice Road, Courtice: one alternating lane closed from July 14 at 10 p.m. until July 21 at 5 a.m. -

Nightly Highway 407 ETR eastbound between Salem Road and Salem Rd, Ajax: two alternating lanes closed from July 13 at 9 p.m. until July 18 at 6 a.m. - Nightly Highway 401 westbound express between Westney Road and Westney Road, Ajax: four alternating lanes closed from July 20 at 7 p.m. until July 31 at 5 a.m. - Daily Highway 35 northbound between Boundary Road and Telecom Rd, Pontypool: one alternating lane closed from April 21 at 8 a.m. until Dec. 23 at 4 p.m. - Nightly Highway 12 northbound between Talbot River Br, Ramara and Atherley Rd, Orillia: one alternating lane closed from July 12 at 8 p.m. until July 18 at 7 a.m. - Nightly Highway 401 eastbound express between Westney Road and Westney Road, Ajax: four alternating lanes closed from July 20 at 7 p.m. until July 31 at 6 a.m. - Nightly Highway 401 westbound between Boundary Road, Port Hope and Highway 35/115, Clarington: one alternating lane closed from July 16 at 6 p.m. until July 31 at 8 a.m. - Continuous Highway 401 westbound between Whites Road, Pickering and Rouge River, Toronto: one right lane closed from July 15 at 11:30 p.m. until July 16 at 5:30 a.m. -

Nightly Highway 412 northbound between Highway 401 and Highway 407, Whitby: one alternating lane closed from July 7 at 10 p.m. until July 19 at 6 a.m. - Nightly Highway 401 eastbound between Ritson Road and Harmony Road, Oshawa. OPP-assisted full closure for 15 minutes. from July 21 at 9 p.m. until July 24 at 6 a.m. - Nightly Highway 401 westbound express between Westney Road and Westney Road, Ajax: four alternating lanes closed from July 6 at 7 p.m. until July 20 at 5 a.m. -

Nightly Highway 401 eastbound off-ramp at Courtice Road, Courtice: one alternating lane closed from July 14 at 11 p.m. until July 21 at 5 a.m. - Continuous Highway 401 westbound off-ramp at Salem Road, Ajax: one left lane closed from July 20 at 10 p.m. until July 21 at 5 a.m. - Nightly Highway 12 northbound between Talbot River Br, Ramara and Atherley Rd, Orillia: one alternating lane closed from July 19 at 8 p.m. until July 25 at 7 a.m. - Nightly Highway 401 eastbound between Ritson Road and Harmony Road, Oshawa: two alternating lanes closed from July 14 at 9 p.m. until July 17 at 6 a.m. -

Nightly Highway 401 eastbound express between Westney Road and Westney Road, Ajax: four alternating lanes closed from July 6 at 7 p.m. until July 20 at 6 a.m. - Nightly Highway 407 ETR eastbound between Harmony Road North and Harmony Road N, Oshawa: one alternating lane closed from July 13 at 10 p.m. until July 18 at 6 a.m. - Nightly Highway 412 northbound between Highway 401 and Highway 407, Whitby: one alternating lane closed from July 19 at 10 p.m. until July 26 at 6 a.m. - Nightly Highway 401 eastbound between Ritson Road and Harmony Road, Oshawa: two alternating lanes closed from July 19 at 9 p.m. until July 24 at 6 a.m. - Nightly Highway 7/12 northbound between Columbus Road, Whitby and Highway 7 North Junction / Brock Township 8th Line, Sunderland: one right lane closed from July 19 at 6:30 p.m. until July 31 at 6:30 a.m. - Nightly Highway 407 ETR eastbound between Sideline 14, Ajax and Harmony Road N, Oshawa: one alternating lane closed from July 19 at 10 p.m. until July 26 at 6 a.m. -

Nightly Highway 407 ETR eastbound between Harmony Road N, Oshawa and Highway 35/115, Clarington: one alternating lane closed from July 14 at 10 p.m. until July 21 at 6 a.m. - Nightly Highway 407 ETR westbound between Harmony Road N, Oshawa and Sideline 14, Ajax: one alternating lane closed from July 19 at 10 p.m. until July 26 at 6 a.m. - Nightly Highway 12 northbound between Talbot River Br, Ramara and Atherley Rd, Orillia: one alternating lane closed from Aug. 4 at 8 p.m. until Aug. 8 at 7 a.m. - Nightly Highway 401 westbound between Harmony Road and Ritson Road, Oshawa: two alternating lanes closed from July 19 at 10 p.m. until July 24 at 5 a.m. -

Nightly Highway 401 eastbound between Ritson Road and Harmony Road, Oshawa: two alternating lanes closed from July 26 at 9 p.m. until July 30 at 6 a.m. - Nightly Highway 401 westbound between Holt Road, Clarington and Courtice Road, Courtice: one alternating lane closed from July 14 at 11 p.m. until July 21 at 5 a.m. - Nightly Highway 407 ETR westbound between Harmony Road N, Oshawa and Sideline 14, Ajax: one alternating lane closed from July 7 at 10 p.m. until July 19 at 6 a.m. - Nightly Highway 418 southbound between Highway 407 and Highway 401, Clarington: one alternating lane closed from July 7 at 10 p.m. until July 19 at 6 a.m. -

Nightly Highway 401 westbound between Harmony Road and Ritson Road, Oshawa: two alternating lanes closed from July 26 at 8 p.m. until July 30 at 5 a.m. - Nightly Highway 407 ETR westbound between Simcoe St, Oshawa and Thickson Rd, Whitby: one alternating lane closed from July 13 at 10 p.m. until July 18 at 6 a.m. - Nightly Highway 412 southbound between Highway 407 and Highway 401, Whitby: one alternating lane closed from July 7 at 10 p.m. until July 19 at 6 a.m. - Nightly Highway 407 ETR westbound between Harmony Road North and Harmony Road N, Oshawa: one alternating lane closed from July 13 at 10 p.m. until July 18 at 6 a.m. -

Nightly Highway 401 westbound between Harmony Road and Ritson Road, Oshawa. OPP-assisted full closure for 15 minutes. from July 26 at 8 p.m. until July 29 at 5 a.m. - Nightly Highway 35/115 northbound between Highway 401, Clarington and Highway 35,: one alternating lane closed from July 16 at 6 p.m. until July 30 at 8 a.m. -

Nightly Highway 418 northbound between Highway 401 and Highway 407, Clarington: one alternating lane closed from July 14 at 10 p.m. until July 21 at 6 a.m. - Daily Highway 35/115 southbound between Highway 35 and Highway 401, Clarington: one right lane closed from July 17 at 6 a.m. until July 31 at 9 p.m. - Nightly Highway 407 ETR eastbound between Sideline 14, Ajax and Harmony Road N, Oshawa: one alternating lane closed from July 7 at 10 p.m. until July 19 at 6 a.m. - Nightly Highway 418 northbound between Highway 401 and Highway 407, Clarington: one alternating lane closed from July 7 at 10 p.m. until July 19 at 6 a.m. -

Nightly Highway 407 ETR eastbound between Harmony Road N, Oshawa and Highway 35/115, Clarington: one alternating lane closed from July 7 at 10 p.m. until July 19 at 6 a.m.