Department of Transportation
DTI
Newfoundland and Labrador • Canada
The Newfoundland and Labrador Department of Transportation and Infrastructure manages over 9,700 kilometers of provincial roads across the island of Newfoundland and mainland Labrador. The Trans-Canada Highway (Route 1) is the primary freight artery connecting Port aux Basques (ferry terminal to Nova Scotia) with St. John's. The department manages Marine Atlantic ferry service connections, which are critical for moving freight between the island and mainland Canada. Commercial trucking operations in the province face unique challenges including coastal fog, severe winter weather, and the need to use ferry services for island access. DTI administers commercial vehicle permits and provides 511NL for road condition updates.
| Official Website | https://www.gov.nl.ca/ti/ |
|---|---|
| Data API | https://511nl.ca/ |
| Founded | 1949 |
| Headquarters | Corner Brook |
Available Data
Social Media
- @nl511updates — NL511updates
Newfoundland and Labrador Trucking Regulations
Size & weight limits, OS/OW permits, and seasonal restrictions for commercial vehicles
Weight Limits
| Category | Limit |
|---|---|
| Max Gross Vehicle Weight | 63500 kg |
| Single Axle | 9100 kg |
| Tandem Axle | 18000 kg |
Dimensional Limits
| Category | Limit |
|---|---|
| Max Height | 4.3 m |
| Max Width | 2.6 m |
| Max Length (Single Unit) | 12.5 m |
| Max Length (Combination) | 25 m |
OS/OW Permits
Seasonal Restrictions Apr, May
Spring weight restrictions (typically April through May) apply on provincial roads. The Trans-Labrador Highway (Route 500/510) has significant unpaved sections in Labrador that may close or have restricted access during spring breakup.
16.5¢/L
Member
Special Exemptions
Notable Rules
The Trans-Canada Highway (Route 1) runs east-west across the island. Labrador is connected to Quebec via the Trans-Labrador Highway — portions remain unpaved and face load and speed restrictions. The Port aux Basques and Argentia ferry terminals (Marine Atlantic) are critical freight continuity points for island access.
Sources
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