Ontario Frost Laws, Seasonal Load Weight and Speed Restrictions – 2025

Raw 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The Raw Forest products freeze-up period is no longer in effect for all areas.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, Apri,l 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 may be issued for moving overloads on highways not designated in Schedules 1, 2, and 3, but they are subject to axle controls established by the Ministry of Transportation.

None at this time.

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Schedule 2Undero 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, 2025, and May 31, 2025.

Effective March 17, 2025 @ 12:01 am

When signs are posted, the following Highways will have a Reduced Load Limit for their ENTIRE length:
 

510    524    528    528A
529    529A    534    538
539A    540A    542A    553
554    558    559    560A
562    563    564    567
568    569    570    571
572    573    574    577
579    592    607    607A
612    624    630    632
636    639    645    650
651    652    667    668
670    672    805    810

Hwy 7041 - Whitefish Falls Road
Hwy 7042 - Old Wanup Road
Hwy 7044 - Old Cartier Road
Hwy 7045 - MacIntyre Road
Hwy 7085 - 29 Hill
Hwy 7088 - Havilland Shores Drive
Hwy 7089 - Havilland Causeway Road
Hwy 7090 - Harmony Beach Road
Hwy 7122 - Mill Lane Road
Hwy 7140 - Benny Road
Hwy 7152 - Golf Course Road
Hwy 7172 - Young Street
Hwy 7182 - Shebeshekong Road
Dumont Road

When signs are posted, the following Highways will have a Reduced Load Limit for these listed locations:
 
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 53,  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    0.5 km north of Warren, north to Jct. Hwy 64
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 566    2 km west of the Montreal River at Matachewan to its end
Highway 575    Hwy 17 to 1 km south of Jct. Hwy 64
Highway 581    Jct. Rimi Lake Road north for 6 km to Remi Lake Provincial Park
Highway 583 S    From Hearst N Limits (3.6 km N of east Jct of Hwy 11) to end of Hwy
Highway 634    Cloutierville Road (3.4 km north of Hwy 11) to its end
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 7082    Jct. of Hwy 17 to the Regional Municipality of Walden limits (4.6 km)