Seasonal Loads
Under the Highway Traffic Act, the province enforces reduced load restrictions on trucks to protect Ontario's highways during spring thaw, when road damage is most likely to occur.
Last Updated: March 29th, 2026Raw Forest Products freeze up period
The Raw Forest products freeze up period is no longer in effect, for all areas.Restriction on permits
All annual and project overweight permits are not valid on any highways unless otherwise specified on the permit during:
- March and April in Southern Ontario
- March, April and May in Northern Ontario
For purposes of this restriction, the province is divided, west to east, by:
- A line formed by the Severn River to Regional Rd. 169
- Regional Rd. 169 from Washago to Hwy. 12
- Hwy. 12, from Regional Rd. 169 to Hwy. 7, north of Sunderland
- Hwy. 7, from Hwy. 12 to Regional Rd. 7B at Carleton Place
- Regional Rd. 7B to Hwy. 15
- Regional Rd. 29 to Arnprior
Single trip permits, for moving of overloads on highways not designated in Schedules 1, 2 and 3, may be issued, but are subject to axle controls established by the Ministry of Transportation.
Reduced Loads
Schedule 1
Pursuant to the Highway Traffic Act, the ministry will impose reduced load limits for those designated parts of the King's Highways listed in Schedule 1, when appropriate, between March 1, 2026 to April 30, 2026.
Schedule 2
Pursuant to the Highway Traffic Act, the ministry will impose reduced load limits for those designated parts of the King's Highways listed in Schedule 2, when appropriate, between March 1, 2026 to May 31, 2026.
Effective March 29, 2026 @ 11:59Pm
When signs are posted, the following Highways will have a Reduced Load Limit for their ENTIRE length:
510 518A 524 528 529
529A 534 538 539A 540A
542A 553 554 558 559
560A 563 567 582 585
586 587 591 593 595
597 602 607 607A 611
612 613 615 617 619
612 630 632 637 639
645 670 802 805 810
Hwy 7041 - Whitefish Falls Road
Hwy 7042 - Old Wanup Road
Hwy 7044 - Old Cartier Road
Hwy 7045 - MacIntyre Road
Hwy 7048 - Five Mile Dock Road
Hwy 7069 - Sunshine Loop Road
Hwy 7085 - 29 Hill
Hwy 7088 - Havilland Shores Drive
Hwy 7089 - Havilland Causeway Road
Hwy 7090 - Harmony Beach Road
Hwy 7102 - Dock Road
Hwy 7122 - Mill Lane Road
Hwy 7140 - Benny Road
Hwy 7152 - Golf Course Road
Hwy 7171 - Raith Road (Old Hwy 17)
Hwy 7172 - Young Street
Hwy 7182 - Shebeshekong Road
Hwy 7300 - Sagamok Road
Hwy 7304 - Flanders Road South (Lac La Croix Road)
Dumont Road
Effective March 29, 2026 @ 11:59Pm
When signs are posted, the following Highways will have a Reduced Load Limit for these listed locations:
HIGHWAY NUMBER LOCATION
Highway 129 16.2 km north of Jct. Hwy 554 to 48 km south of the south Jct. of Hwy 101
Highway 518 16 km east of Hwy 400/69 east to west limits of Sprucedale, and east of Kearney to the Twp. of Perry/Town of Kearney boundary
Highway 520 Hwy 124, north to the Hamlet of Ardbeg
Highway 522 Jct of 522 & E Rd/N Rd (Wilson/Hardy Twps) to Hwy 69
Highway 523 Jct. Hwy 60 at Madawaska south to Hasting/Nipissing County boundary
Highway 532 6.4 km north of Jct. Hwy 556 to end of Hwy 532
Highway 533 Hwy 656, northwest to Hwy 63
Highway 535 1.6 km north of Hwy 17 north to its end
Highway 539 Junction of Hwy 539A to Hwy 64
Highway 539A 2.5 km north of Hwy 539 Junction (Temagami R. Bridge) to end of Hwy 539A
Highway 540 Hwy 540B (west entrance), west to Meldrum Bay
Highway 542 Hwy 6, west to Jct. of Hwys 540 and 540B
Highway 546 0.6 km north of Jct. Hwy 17 north to end of Hwy 546
Highway 548 Maple St. (Hilton Beach) south to southwest limits of Richard's Landing
Highway 551 West Jct. of Hwy 542 south to Providence Bay
Highway 556 Hwy 532 to Hwy 129
Highway 557 2.7 km north of Jct. Hwy 17 (Jct. of Granary Lake Rd.) north to end of Hwy 557
Highway 575 Hwy 17 to 1 km south of Jct. Hwy 64
Highway 588 1.6 k south of Hwy 11/17, west to end of Hwy 588
Highway 589 9.6 km north of Jct. Hwy 591, north to end of Hwy 589
Highway 592 Savage settlement road Northerly
Highway 600 0.5 km north of Hwy 11 (Rainy River N Limits), northeasterly to Jct. of Hwy 71
Highway 608 1km west of Hwy 61 west to Hwy 595
Highway 638 2.5 km north of east Jct. Hwy 17 (Rail Crossing), north to 1.3 km east of west Jct. Hwy 17
Highway 625 0.5 kms south of Jct Hwy 11, south to end of Hwy 625
Highway 643 700m west of Hwy 587 to end of Hwy 643
Highway 7082 Jct. of Hwy 17 to the Regional Municipality of Walden limits (4.6 km)
Highway 7025 (Shrine Hill Drive) From Jct. of Hwy 60 at Hillcrest Ave. north of Wilno, easterly 0.8 km to Jct. of Hwy 60
Schedule 3
Pursuant to the Highway Traffic Act, the ministry will impose reduced load limits for those designated parts of the King's Highways/Roads listed in Schedule 3, when appropriate, between March 1, 2026 to June 30, 2026.
Effective March 29, 2026 @ 11:59Pm
When signs are posted, the Highway/Roads within the following Territories will have a Reduced Load Limit:
NORTH BAY AREA
Ballantyne & Laurier
Bidwell Lake
Eldee
Ellsmere
Laurier
Lount
Marten Lake
Memesagamesing
Mills & Hardy
Patterson
Phelps
Pringle
Tilden Lake
Thorne
Wilson & McConkey
White Pine
Wyse and Poitras
Yellowstone
SUDBURY AREA
Armstrong Lake
Britt
Burwash-Hendrie
Cartier
Chiniguchi R.
Dawson
Dill Secord
Downes Lake
Foster Truman
Fourteen Mile Island
Harris Lake
Hess
Kukagami
Lang Lake
Long Lake
Lost Channel
Madawanson
Ministic Lake
Onaping Falls
Red Deer Village
Robinson
Rock Lake
Trout Lake N
Wallbridge S
Whiskey Lake
Willisville
SAULT STE MARIE AREA
Aberdeen & McMahon
Aweres 1 S.L.B.
Aweres
Caverly
Dalmas
Devil’s Lake
Devon Landing
Esher-Como-Healy
Fenwick, Pennefather &
Vankoughnet
Galbraith-Morin
Garden Lake
Gaudette & Hodgins
Goulais Mission
Havilland
Hawk Junction
Horseshoe Bay
Kettle Lakes
Northland Lake
Patton & Montgomery
Peace Tree
Red Rock
Robinson
Sultan
Tilley
Vankoughnet & Aweres
Vixen Lake
Wabos
Wharncliffe
NEW LISKEARD AREA
Anima Nipissing
Bayly Marter
Beauchamp
Biscotasing
Blueberry-Munro
Bourkes
Bryce
Cane
Cairo & Alma Twp.
Crystal Lake
Eby-Grenfell
Foleyet
Gogama
Henwood
Horwood
Ingram
Lebel (Harvey) Kirkland
Lebel (King) Kirkland
Lorraine Twp.
Marquis
Marter
Mattagami Twp.
Ossian
Otto
Pacaud & Catharine
Robillard
Rainbow Lake Road
Savard
Sheraton & Macklem
Star Lake
Watabeag
THUNDER BAY AREA
Armstrong
Beaver Bay
Crescent Point
Dawson Rd.- Goldie
Devon
Firehill
Forbes
Fowler
Gorham
Hardwick
Hicks Lake
Inwood
Jacques
Kabaigon Bay
Lybster
Lyon
Mabella
Marion Lake
Marks
Mountain Bay
Munro Point
Northern Light Lake
Obonga Lake
Perch Lake
Pine Ridge
Polly Lake
Portage Bay
Rossmere Bay
Rossport
Savant Lake
Shebandowan
Sibley
Stirling
Strange
Sunny Slopes
Sunset Lake
Upsala
Ware
White Sand Lake