Cross-border carriers face one of the most nuanced compliance challenges in trucking: managing two different sets of hours of service (HOS) rules depending on which side of the border they are operating on. The Canadian and American HOS frameworks share a common goal — preventing fatigued driving — but differ in key details that can trip up even experienced operators. This guide breaks down the 2026 rules side by side.
Side-by-Side Comparison Table
| Rule | Canada (Federal) | United States (FMCSA) |
|---|---|---|
| Maximum driving time | 13 hours | 11 hours |
| On-duty cycle limit | 14 hours after coming on duty | 14 hours after coming on duty |
| Mandatory off-duty | 8 consecutive hours before driving again | 10 consecutive hours before driving again |
| Daily off-duty total | 10 hours in a day (at least 2 hours in other off-duty periods) | 10 consecutive hours |
| Cycle 1 (7-day) | 70 hours on duty | 60 hours on duty (7-day carrier) |
| Cycle 2 (14-day) | 120 hours on duty | 70 hours on duty (8-day carrier) |
| Cycle reset | 36 consecutive hours off (Cycle 1) / 72 hours off (Cycle 2) | 34 consecutive hours off (restart) |
| Sleeper berth split | Two periods totalling 10 hours (one at least 8 hours) | 7/3 split (7 hours sleeper + 3 hours off-duty, or reverse) |
| Short-haul radius | 160 km | 150 air miles (approx. 241 km) |
| Adverse driving conditions | 2 extra hours of driving | 2 extra hours of driving |
Key Differences Explained
Driving Time: 13 Hours vs 11 Hours
The most immediate difference cross-border drivers notice is that Canada allows up to 13 hours of driving within a duty period, compared to just 11 hours in the United States. This two-hour gap has practical implications for trip planning. A driver heading south from Toronto to Dallas, for example, must adjust their driving plan once they cross into the US, reducing their available driving window even if they still feel alert and within their Canadian limits.
The 14-Hour Window
Both countries impose a 14-hour on-duty window after a driver comes on duty. In Canada, the driver can drive for up to 13 of those 14 hours. In the US, only 11 of the 14 hours can be spent driving. The remaining time in both cases covers non-driving duties such as pre-trip inspections, fueling, loading, and paperwork.
Off-Duty and Rest Requirements
Canada requires a minimum of 8 consecutive hours off-duty before a driver may drive again, plus an additional 2 hours of off-duty time during the day (which can be taken in blocks as short as 30 minutes). The total comes to at least 10 hours off-duty per day, but only 8 need to be consecutive.
The US rule is simpler but more restrictive in terms of consecutive time: drivers must take 10 consecutive hours off-duty before driving again. There is no option to split those 10 hours into smaller blocks outside of the sleeper berth provision.
Sleeper Berth Provisions
The sleeper berth split is where cross-border compliance gets particularly complex. Under Canadian rules, a driver can split their required off-duty time into two periods as long as one is at least 8 hours in the sleeper berth and the total adds up to 10 hours.
Under US rules, the current split sleeper berth provision allows a 7/3 split: one period of at least 7 consecutive hours in the sleeper berth and one period of at least 3 consecutive hours either off-duty or in the sleeper berth. Neither period counts against the 14-hour driving window.
Cycle Limits and Resets
Canada offers two cycle options. Cycle 1 allows 70 hours on duty over 7 days with a 36-hour reset. Cycle 2 allows 120 hours on duty over 14 days with a 72-hour reset. Carriers can switch between cycles but must take the appropriate reset before doing so.
The US system provides a 60-hour/7-day limit or a 70-hour/8-day limit depending on the carrier's operating schedule. A 34-consecutive-hour restart resets the cycle clock entirely.
The important detail for cross-border operators is that time spent in one country counts toward cycle limits in the other. A driver cannot "reset" their cycle simply by crossing the border.
Which Rules Apply When?
This is the question that causes the most confusion, and the answer is straightforward in principle but demanding in practice:
- While driving in Canada, Canadian HOS rules apply.
- While driving in the United States, US FMCSA HOS rules apply.
- The transition happens at the border. When a Canadian driver enters the US, they must immediately begin following US rules. Any hours already driven that day count toward the US limits.
Here is a practical example: A driver departs Montreal at 06:00 and drives 5 hours to the US border crossing at Champlain, NY. They have used 5 of their 13 Canadian driving hours, but upon entering the US, those 5 hours count against the 11-hour US limit. The driver now has only 6 driving hours remaining, not 8.
This transition also affects the 14-hour window. If a driver came on duty at 06:00 in Canada, that same 14-hour window continues in the US — it does not reset at the border.
Cross-Border Compliance Tips
Managing two HOS systems simultaneously requires discipline and the right tools. Here are practical strategies:
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Plan for the more restrictive rule. If you run cross-border regularly, building your trip plans around the 11-hour US driving limit keeps you safe on both sides of the border.
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Use a dual-compliant ELD. Your electronic logging device should be both Transport Canada certified and FMCSA registered. Most major providers (major ELD providers) handle dual compliance and automatically apply the correct rule set based on GPS location.
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Train your drivers on both systems. It is not enough for a driver to know Canadian rules. Cross-border operators must understand the US limits, especially the 10-hour consecutive off-duty requirement which is more restrictive than Canada's 8-hour minimum.
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Leverage your TMS for visibility. A transportation management system like TruckerPro that integrates with your ELD provider gives dispatchers real-time HOS data, making it possible to plan loads that respect both Canadian and US limits without cutting into productivity.
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Document your cycle carefully. Because on-duty hours accumulate across both countries, meticulous tracking of cycle hours is essential. An error in cycle calculation can result in an out-of-service order at a port of entry — the worst possible place to be sidelined.
The Bottom Line
The differences between Canadian and US hours of service rules are not dramatic, but they are significant enough to cause violations if ignored. Cross-border carriers who invest in driver training, dual-compliant technology, and proactive trip planning will avoid the costly surprises that catch unprepared operators at the border.
Know both rule sets. Plan for the tighter limit. Stay compliant on every mile.