The 34-Hour Restart Rule, Explained With Real Numbers

August 30, 2026 · 7 min read
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The 34-hour restart is the most misunderstood tool in the hours-of-service kit, partly because the rule changed twice in the last decade and old versions still circulate in truck stops and Facebook groups. The current rule is short: spend 34 consecutive hours off duty, in any combination of off-duty and sleeper berth, and your 60-hour/7-day or 70-hour/8-day clock resets to zero. Everything else you may have heard, the overnight periods, the once-a-week limit, belongs to a version of the rule that no longer exists.

What the restart resets, and what it doesn't

The restart applies to exactly one limit: the cumulative 60-hour/7-day or 70-hour/8-day cap. After a valid restart, your recap calculation starts fresh, as if your working history began this morning.

It does not interact with the daily limits. The 11-hour driving limit, the 14-hour driving window, and the 30-minute break requirement reset with an ordinary 10-hour break like any other day. You never need a restart to get those back, and taking a restart doesn't give you anything extra within a single day.

Restart resets the weekly clock only. The 11, the 14, and the 30-minute break live on the daily cycle and reset with 10 hours off.

The rules that no longer exist

Two requirements from the 2013 version of the rule were suspended by Congress in late 2014 and never came back. They still generate confusion a decade later, so, for the record:

  • No overnight requirement. The restart does not need to include two 1 a.m. to 5 a.m. periods. Any 34 consecutive off-duty hours count, whatever time of day they start.
  • No once-per-week limit. There is no 168-hour spacing requirement between restarts. If your schedule produces two valid 34-hour breaks in a week, both are valid restarts.
  • It is optional. The restart is a tool, not an obligation. You can run your entire career on the rolling recap without ever taking one, as long as you stay under the 60/70 cap.

Restart or ride the recap? Do the math

The alternative to a restart is the rolling recap: each day you get back the hours you worked on the oldest day of your 7- or 8-day window. Which strategy yields more available hours depends entirely on the shape of your recent week.

Rough rule: heavy recent days favor a restart, because you would otherwise drag those hours in your window for a week. Light, even days favor riding the recap, because you are getting a steady drip of hours back anyway and 34 hours parked buys you little.

  • Example, restart wins: you ran 70 hours in 6 hard days under the 70/8 rule. Riding the recap, tomorrow you only get back whatever drops off from 8 days ago, likely a small number, and you crawl through the next several days. A 34-hour restart hands you a full fresh 70.
  • Example, recap wins: you run a steady 8.5 hours a day. Your rolling total hovers near 68 and every morning the recap returns about 8.5 hours, enough to keep running the same schedule indefinitely. A restart would just park a profitable truck for a day and a half.
  • Example, the forced restart: your week went sideways, 34 hours at home was happening anyway. Take the restart and start clean. The best restart is the one that overlaps time you weren't going to drive anyway, a weekend, a reset at the house, a long shop visit.

A restart costs 34 hours of potential revenue. It pays for itself only when the hours it unlocks exceed what the recap would have returned over the same days.

Details that trip people up

  • Consecutive means consecutive. A 20-minute fuel stop logged on-duty at hour 30 restarts the 34-hour count from zero. Guard the block once you start it.
  • Off-duty and sleeper berth both count, in any mix. Home, hotel, or bunk all work, as long as you are genuinely relieved of duty.
  • Personal conveyance time is off-duty time, so it doesn't break a restart, but the movement must genuinely qualify as personal conveyance. Repositioning toward tomorrow's load does not.
  • Your ELD does the counting. A compliant device tracks the recap and recognizes a completed restart automatically, which removes the arithmetic errors that used to fill paper-log audits.
  • Property-carrier rule described here. Passenger carriers and some state intrastate rules differ, and oilfield operations have their own variations. Know which rulebook your operation runs under.

For fleet managers: restarts are a planning signal

Dispatchers who can see each driver's recap picture stop discovering hour shortages at assignment time. If a driver's rolling total will pinch on Thursday, the choice between routing them through a 34-hour weekend reset or feathering their week to ride the recap is a Tuesday decision, made while there are still options.

The same visibility ends the quiet pressure to "find hours" that produces violations. A driver at 68 of 70 with no restart in sight isn't a scheduling puzzle, they are a stop sign, and software that shows this plainly to both driver and dispatcher keeps the argument from ever starting.

Frequently asked questions

No. Any location works, home, a hotel, or the sleeper berth at a truck stop, as long as the driver is genuinely off duty for 34 consecutive hours. Off-duty and sleeper-berth time can be combined freely.

No. It is an optional way to reset the 60/70-hour cumulative limit. Drivers who keep their rolling total under the cap using daily recap hours never need to take one.

Those reset with any 10 consecutive hours off duty, restart or not. The 34-hour restart affects only the 60-hour/7-day or 70-hour/8-day cumulative limit.

Yes. The old once-per-168-hours restriction was suspended in 2014 and no longer applies. Any valid 34-hour off-duty block can serve as a restart.

For US hours-of-service purposes, what matters is 34 consecutive hours off duty, wherever they occur. But cross-border carriers should note Canada's federal rules use a different reset structure, so a plan that satisfies one rulebook doesn't automatically satisfy the other.


loopELD tracks the recap, spots a completed restart automatically, and shows drivers and dispatchers the same hours picture, so the restart-or-recap call gets made with numbers instead of guesswork. Book a demo and watch it count.

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