The latest escalation in U.S.-Canada trade tensions is adding new uncertainty to an already complex cross-border freight environment.
Following the collapse of trade talks between the two countries, the United States imposed 50% tariffs on approximately $20 billion to $28 billion worth of Canadian goods. Canada responded with dollar-for-dollar retaliatory tariffs on selected U.S. products beginning September 8, 2026.
While the tariffs affect a range of industrial and consumer products, the consequences extend well beyond the goods directly subject to duties. For trucking companies, manufacturers and shippers, changing trade flows could mean lower freight volumes on some lanes, higher equipment and maintenance costs, additional border administration and increased volatility in transportation rates.
Automotive and Industrial Freight Under Pressure
Medium-duty and heavy-duty trucks became a significant point of disagreement during the trade negotiations, with U.S. tariff relief excluding certain commercial and heavy-duty vehicles.
That creates particular concern for Ontario’s automotive and commercial vehicle manufacturing sector, where production depends heavily on components and finished goods moving repeatedly across the Canada-U.S. border.
Tariffs affecting automotive products, steel and industrial components can increase production costs and reduce manufacturing activity. When factories produce less, there are fewer raw materials, components and finished products moving through the transportation network.
For carriers with significant exposure to automotive and industrial freight, that can translate into fewer cross-border loads and shifting demand on established lanes.
Tariffs Can Destabilize Trucking Rates
One of the less obvious effects of tariffs is the pressure they can place on freight rates.
Cross-border trucking networks depend on balanced freight flows. A carrier moving a load from Canada into the United States typically needs a profitable return load to make the lane sustainable.
If tariffs reduce freight moving in one direction, carriers can be left with fewer backhaul opportunities and more empty miles. To compensate, rates on the loaded portion of the trip may need to rise.
Trade-related changes can also push freight into different transportation corridors. If manufacturers change suppliers, shippers reroute products or companies increase domestic sourcing, capacity can tighten quickly on lanes that previously handled lower volumes.
That creates the potential for spot-market rate increases even in markets where the goods themselves are not directly affected by tariffs.
Border Delays Create Additional Costs
Changing tariff rules can also increase the administrative burden associated with cross-border shipments.
Carriers and shippers may need to provide additional information regarding tariff classification, country of origin, and eligibility under applicable trade rules. Greater scrutiny can mean longer processing times and additional delays when documentation requires review.
For trucking companies, border delays have a direct operational cost. A driver waiting for clearance is not available for another load. Longer dwell times can result in detention charges and other accessorial fees, while missed delivery windows can disrupt subsequent pick ups and deliveries throughout the network.
This makes accurate documentation and close coordination between shippers, carriers and customs brokers increasingly important.
Higher Costs for Truck Parts and Maintenance
Canada’s retaliatory measures target U.S. products including steel, industrial machinery, electronics and other commercial goods. Those categories overlap with many of the products fleets rely on to keep trucks operating.
U.S.-sourced replacement parts, shop electronics, commercial vehicles and other maintenance-related products could become more expensive as reciprocal tariffs take effect. Tariffs on steel and other raw materials can also contribute to higher manufacturing costs for trucks and components.
For carriers, this creates a difficult combination: freight volumes may soften in certain sectors at the same time that the cost of operating and maintaining equipment increases. Fixed expenses, including financing, wages, and insurance, remain regardless of how many loads are available, leaving smaller and mid-sized carriers particularly exposed to sudden changes in freight demand.
Carriers May Need to Adjust Their Networks
If tariff-related disruptions continue, carriers may need to become more flexible in where they deploy equipment. One option is to increase exposure to domestic Canadian freight or to sectors less affected by the trade dispute. Shifting equipment toward intra-Canada corridors can help reduce reliance on cross-border freight, which may experience sudden volume fluctuations.
Carriers may also need to reassess cross-border pricing. Transportation contracts could increasingly include variable surcharges or other mechanisms designed to account for added border costs, delays and changing operating expenses rather than forcing carriers to absorb those costs themselves.
Fleet operators may also look more closely at where replacement parts and maintenance supplies are sourced if tariffs make U.S.-manufactured products significantly more expensive.
What Shippers Should Watch
For shippers, the effects of tariffs may show up in transportation costs before they appear elsewhere in the supply chain. Key areas to monitor include:
- changing truck capacity on established Canada-U.S. lanes;
- increases in detention and border-related accessorial charges;
- higher spot-market rates where freight is being rerouted;
- changes to carrier surcharges and contract pricing;
- reduced backhaul availability on tariff-affected corridors; and
- rising fleet and equipment costs that may eventually be reflected in transportation rates.
The Canada-U.S. freight market is highly interconnected, which means tariffs affecting one industry can quickly create secondary effects across transportation networks. For both carriers and shippers, the coming months will require close attention to freight volumes, lane balance, border requirements and operating costs.
Maintaining flexibility in routing, sourcing and transportation planning will be increasingly important as the trade environment continues to evolve.
For more information, contact William Sanchez, Manger – Truck Services.
