Quote Oversize/Overweight Loads In Seconds

  • Instantly Determine Permit & Escort Costs
  • Calculate Max Legal/Permitted Axle Weights
  • Understand Equipment Limits
See How It Works

Ontario Frost Laws, Seasonal Load Weight and Speed Restrictions – 2026

Current Monitoring Status

Status

Active

Last Checked

11 minutes ago

Last Updated

Not available

RESTRICTION STATUS: ACTIVE Ontario Seasonal Load Restrictions are in effect under Schedule 3 (Northern Ontario designated King's Highways and roads in unorganized territories), effective June 5, 2026 @ 4:00PM through June 30, 2026, when signs are posted. Schedules 1 and 2 report no active restrictions their seasonal windows have expired.

"The Raw Forest products freeze up period is no longer in effect, for all areas."

Field Details
Status Active Schedule 3 restrictions in effect as of June 5, 2026 @ 4:00PM through June 30, 2026. Schedules 1 and 2 report "None at this time" seasonal windows expired.
Status Timestamp Status observed at: 2026-06-05T16:00:00; source last retrieved: 2026-06-15T10:05:09+00:00
Coverage Designated King's Highways (provincial) only Schedules 1, 2, and 3. Schedule 3 also covers roads in unorganized territories in Northern Ontario. Local and municipal roads are not covered by this source.
Effective Dates Schedule 1: March 1 April 30, 2026 (window closed, none active). Schedule 2: March 1 May 31, 2026 (window closed, none active). Schedule 3: Active June 5, 2026 @ 4:00PM June 30, 2026.
Weight Limits Specific numeric axle or gross weight values are not published on this source page. Reduced Load Limits apply pursuant to the Highway Traffic Act when signs are posted. Single trip permits are subject to axle controls established by the Ministry of Transportation. Annual and project overweight permits are not valid during restricted months unless otherwise specified on the permit.
Key Roads Schedule 3 territories (when signs are posted): Sault Ste. Marie Area (Dalmas, Devon Landing, Esher Como Healy, Hawk Junction, Kettle Lakes, Sultan); Cochrane Area (Brower, Casgrain, Coppell/Kendall/Way, Departure Lake, Doyle, Driftwood, Dunning, Fournier, Frederickhouse, Hallebourg, Hanlan, Hunta, Indian-Sand Lake, Kitigan, Nellie Lake/Aurora, Norembega, Tunis, West Riverside); 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). Full listings at 511on.ca/list/seasonalloads.
Exemptions Annual and project overweight permits not valid in MarchApril (Southern Ontario) or MarchMay (Northern Ontario) unless otherwise specified on the permit. Single trip permits may be issued for overloads on highways not designated in Schedules 1, 2, or 3, subject to MTO axle controls. Raw Forest Products freeze-up period is no longer in effect for all areas.
Penalties Not specified
Contact Ministry of Transportation Ontario mto.gov.on.ca Oversize/Overweight Permits
Primary Status Source URL https://511on.ca/list/seasonalloads

Current Status

Ontario Seasonal Load Restrictions are active as of June 5, 2026 @ 4:00PM under Schedule 3 only, covering designated King's Highways and roads in unorganized territories in Northern Ontario, through June 30, 2026. Restrictions apply when signs are posted in the listed territories.

Schedule 1 (Southern Ontario King's Highways, March 1 April 30, 2026) and Schedule 2 (Northern Ontario King's Highways, March 1 May 31, 2026) both report no active restrictions their seasonal windows have expired.

The Raw Forest Products freeze-up period is no longer in effect for all areas as of the June 5, 2026 status observation.

Status observed at: 2026-06-05T16:00:00. Source last retrieved: 2026-06-15T10:05:09+00:00.

Schedule Breakdown

Schedule Region / Road Type Seasonal Window Current Status Notes
Schedule 1 Designated King's Highways (Southern Ontario) March 1 April 30, 2026 Window closed none active Seasonal window expired; "None at this time" reported
Schedule 2 Designated King's Highways (Northern Ontario) March 1 May 31, 2026 Window closed none active Seasonal window expired; "None at this time" reported
Schedule 3 Designated King's Highways and roads in unorganized territories (Northern Ontario) March 1 June 30, 2026 Active Effective June 5, 2026 @ 4:00PM; applies when signs are posted; covers Sault Ste. Marie, Cochrane, and New Liskeard area territories

Schedule 3 Affected Territories (Northern Ontario)

The following Northern Ontario territories carry a Reduced Load Limit effective June 5, 2026 @ 4:00PM when signs are posted on the Highway/Roads within them.

Sault Ste. Marie Area

  • Dalmas, Devon Landing, Esher Como Healy, Hawk Junction, Kettle Lakes, Sultan

Cochrane Area

  • Brower, Casgrain, Coppell/Kendall/Way, Departure Lake, Doyle, Driftwood, Dunning, Fournier, Frederickhouse, Hallebourg, Hanlan, Hunta, Indian-Sand Lake, Kitigan, Nellie Lake (Aurora), Norembega, Tunis, West Riverside

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

Full road listings by territory are available at 511on.ca/list/seasonalloads.

Overweight Permit Restrictions

  • Southern Ontario: Annual and project overweight permits are not valid in March and April unless otherwise specified on the permit.
  • Northern Ontario: Annual and project overweight permits are not valid in March, April, and May unless otherwise specified on the permit.
  • Single trip permits may be issued for moving overloads on highways not designated in Schedules 1, 2, or 3, subject to axle controls established by the Ministry of Transportation.

The dividing line between Southern and Northern Ontario for permit restriction purposes runs west to east: 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.

Raw Forest Products Freeze-Up Period

The Raw Forest Products freeze-up period is no longer in effect for all areas as of the June 5, 2026 status observation. No zone-specific restrictions are currently active under this designation.

Weight Limits

Specific reduced load weight values (e.g., kg per axle or gross vehicle weight) are not published on this source page. The source references the Highway Traffic Act as the governing authority for reduced load limits when signs are posted. When signs are posted, affected highways and territory roads carry a Reduced Load Limit for the applicable segments.

Single trip permits are subject to axle controls established by the Ministry of Transportation at the time of issuance. Drivers requiring specific numeric limits should contact the MTO directly: MTO Oversize/Overweight Permits.

Coverage

  • Applies to designated King's Highways listed under Schedules 1, 2, and 3 only.
  • Schedule 3 also covers roads in unorganized territories in Northern Ontario.
  • Local and municipal roads are not covered by this data source. Check directly with local municipalities for county, regional, or local road restrictions.

Source Attribution

Calculate Oversize/Overweight Load Regulations and Prices Instantly with Oversize.io