New Brunswick Oversize & Overweight Permit Requirements & Rules (2026)

In New Brunswick, any load that exceeds the legal size or weight limits requires an oversize/overweight permit before it moves. Below are the legal limits and the requirements that apply at each threshold.

1When you need a permit

A load is oversize or overweight once it passes any of these:

Dimension	New Brunswick legal limit	Permit if over
Width	8 ft 6 in	Wider
Height	13 ft 7 in	Taller
Length (combination)	82 ft	Longer
Gross weight	62,500 lbs	Heavier
Single axle	18,740 lbs	Heavier
Tandem axle	37,480 lbs	Heavier

Rear overhang is limited to 6.56 ft and front overhang to 3 ft before it counts toward length, and any overhang must be flagged.

2Escort & pilot car requirements

When the load reaches…	New Brunswick requires
12 ft wide	1 escort (pilot car)
16 ft wide	2 escorts
999 ft high	Escort with a height pole / pole car
90 ft long	1 escort · 120 ft → 2 escorts
999 ft high or 999 ft wide	Route survey required

3When you can travel

Daylight only — 30 min before sunrise to 30 min after sunset.
Weekend travel allowed within dimensional limits.
Holiday blackouts: New Year's Day, Good Friday, Victoria Day, Canada Day, New Brunswick Day, Labour Day, Thanksgiving, Remembrance Day, Christmas, Boxing Day.

4Superloads in New Brunswick

A load is a superload once it exceeds any of these:

Superload trigger	Threshold
Width	15 ft
Height	16 ft
Length	100 ft
Gross weight	220,000 lbs

Superloads require a route survey and roughly 7 days of lead time for approval.

5Permit timing

Standard single-trip: ~3 business days to issue.
Superload: ~7 days (route survey + review).
Validity: a single-trip permit is good for ~7 days.

Get the full cost of your load

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Note: these requirements are for planning and are verified as of May 2026. Rules change — always confirm with the provincial transport authority before dispatch.

?New Brunswick permit FAQ

When do I need an oversize permit in New Brunswick?

Once a load exceeds any legal limit: 8 ft 6 in wide, 13 ft 7 in high, 82 ft long (combination), or 62,500 lbs gross.

When do I need a pilot car in New Brunswick?

New Brunswick requires one escort at 12 ft wide (two at 16 ft), a height pole at 999 ft high.

Can you drive an oversize load at night in New Brunswick?

No — oversize loads move daylight-only, 30 min before sunrise to 30 min after sunset. Weekend travel is allowed within limits.

What counts as a superload in New Brunswick?

Over 15 ft wide, 16 ft high, 100 ft long, or 220,000 lbs gross. It requires a route survey and about 7 days of lead time.

How much does a New Brunswick oversize permit cost?

The state permit fee depends on the load's size and weight. The full cost of a move also includes escorts, police, route surveys, engineering, and the truck rate, which vary by route. FreightDeck estimates all of it for your exact load — price your New Brunswick load with FreightDeck →.