If you're driving on a Lanark County road with a load exceeding the limits in the Highway Traffic Act, you must have an Oversize and Overweight Load permit.

2024 Reduced Load Restrictions
May 7, 2024 UPDATE:
Please note that Reduced Load Restrictions have been lifted on all County Roads with the following exceptions:
CR17 (Derry Side Road)
Restrictions will remain in effect on these roads until further notice.

Please view the below documents for further information.

Reduced Load Information
Reduced Load List
Reduced Load Map

How to apply

We must review and approve all documentation before we issue a permit. We require 48 business hours to process applications. Each load requires a permit and we offer single trip and annual permits.

Permit types and fees:

  • Single trip permit $25
  • Annual permit $100

Click here to apply for an Oversize/Overweight Load Permit.

Annual permits are valid to December 31st of the current year and can apply to multiple tractors and trailers. Use the Tractor and Trailers List and submit it with your application. Single trip permits may be subject to special provisions and time restrictions.

Pre-trip inspections and escorts

You should check your route before the move to ensure that there are no obstructions. You are responsible for all costs and must arrange for escorts if required.

Loads exceeding 3.5 m in width

Loads exceeding 3.5 m in width must have a front and rear escort.

Loads exceeding 3.7 m in width

Loads exceeding 3.7 m in width may be required to notify the County two hours in advance of arriving at the County boundary. County staff may conduct a pre-trip inspection and determine required traffic control. The applicant will receive an invoice for County provided traffic control. We will inform you if these requirements apply to you, after we review your application.

Loads exceeding 5 m in width or 45.75 m in length

Loads exceeding 5 m in width or 45.75 m in length must have a certified escort. Applicants must provide proof of a certified escort.

Terms and conditions

Permits may be cancelled without notice if any terms and conditions are violated. We will not process your application if your account is not in good standing.


We require a certificate of insurance. Your coverage must include five million dollars commercial general liability naming "The Corporation of the County of Lanark" as an additional insured.

Utility company notification

You must notify affected utility companies 48 hours before the move to arrange for protection or alteration of utility plant.


Permits do not apply to roads or structures with posted load limitations.

Annual permit maximum dimensions are:

  • Width: 3.7 m
  • Height: 4.26 m
  • Single Vehicle Length: 12.5 m including maximum overhang of 4.65 m
  • Combination Vehicles Length: 25 m including maximum overhang of 4.65 m

Annual permit loads with a width greater than 3.36 m are:

  • Restricted to daylight hours
  • Not permitted on weekends or statutory holidays

Highways and local municipal roads

The permits we issue are only valid on Lanark County roads. You may need a permit on other roads: