FMCSA HOS Pilot Programs in 2026: 14-Hour Pauses and New Sleeper Splits

FMCSA is preparing two hours-of-service pilot programs that could give participating property-carrying drivers more control over rest and work schedules. One study will test additional sleeper-berth splits. The other will test a limited pause in the 14-hour driving window during qualifying non-driving time.

The most important point for drivers in 2026 is what the announcement does not do: it does not change the HOS rules for the general trucking population. FMCSA completed small pre-tests this year and says the larger pilot programs are planned for 2027. Unless a driver is formally admitted to a pilot and operating under its authorized conditions, the current requirements in 49 CFR Part 395 still apply.

FMCSA reported progress on August 27, 2026

On August 27, FMCSA announced that pre-tests for the Flexible Sleeper Berth and Split Duty Period programs had been completed. The agency used the limited tests to examine procedures, data-collection methods, and participation requirements before expanding the research. These were study-design exercises with selected drivers, not a nationwide regulatory rollout.

FMCSA says each full pilot is expected to include 256 drivers, for a combined total of 512 participants. The larger programs are planned for 2027, with drivers participating for four months and receiving up to $1,600 for completing all study tasks. Interested professional drivers and motor carriers may send contact information to pilots@dot.gov for updates, but contacting the agency does not itself authorize use of an experimental schedule.

What the Flexible Sleeper Berth pilot will test

The Flexible Sleeper Berth program is designed to evaluate rest combinations that are not generally available under today's split-sleeper rule. FMCSA describes the concept as allowing two periods that total at least 10 hours when one period includes at least five consecutive hours in the sleeper berth. The agency has highlighted 6/4 and 5/5 options alongside the familiar 8/2 and 7/3 shorthand.

The purpose is to study whether additional choices help drivers match meaningful rest to congestion, freight schedules, detention, weather, and personal sleep needs while maintaining or improving safety. A shorter sleeper period is not automatically better rest, and a split does not create unlimited working time. Researchers must examine how the alternative schedules affect fatigue, alertness, driving behavior, and compliance over real operations.

The current sleeper-berth rule remains in force

For drivers outside an authorized pilot, 49 CFR §395.1(g) still controls. A property-carrying driver using the split-sleeper provision may take no more than two qualifying rest periods. Neither period may be shorter than two consecutive hours, one period must include at least seven consecutive hours in the sleeper berth, and the two periods must total at least 10 hours.

When a valid pair is used, the qualifying periods are excluded from the 14-hour calculation, and compliance with both the 11-hour driving limit and 14-hour duty-period limit is recalculated as the rule specifies. A 5/5 or 6/4 schedule is not generally legal merely because FMCSA plans to study it. Do not configure an ELD or trip plan around a pilot option without formal participation documents and carrier instructions.

What the Split Duty Period pilot will test

The Split Duty Period program will evaluate whether selected drivers can safely pause the 14-hour driving window for up to three hours in a day. Qualifying time may include off-duty time or sleeper-berth time at any location, plus on-duty-not-driving time at a pickup or delivery location. The proposed pilot notice describes a qualifying period of at least 30 minutes and no more than three hours.

The concept could let a participant wait out traffic or severe weather, take additional rest, or prevent detention at a customer from consuming the entire driving window. The pause would not add driving beyond the 11-hour limit. It would address how certain non-driving time counts against the 14-hour window, subject to the pilot's controls and data requirements.

Ordinary breaks do not pause today's 14-hour window

Outside the pilot, §395.3 generally prohibits driving after the 14th consecutive hour following the start of duty after 10 consecutive hours off. An ordinary meal, fuel stop, detention period, or off-duty break does not stop that clock. A qualifying split-sleeper pairing can affect the calculation, but it must satisfy the current sleeper-berth rule.

The 30-minute break requirement is a different rule. After eight cumulative hours of driving without a qualifying interruption, a driver must take at least 30 consecutive minutes in a non-driving status. Completing that break does not by itself pause or extend the 14-hour window. Drivers should keep the 8-hour driving-break calculation, 11-hour driving limit, and 14-hour window separate when planning a day.

What happened during the 2026 pre-tests

The Flexible Sleeper Berth pre-test ran from April 1 through June 11, 2026. FMCSA reports that nine drivers from three carriers in Ohio, Virginia, and Wisconsin participated for six weeks and received $600. The Split Duty Period pre-test ran from May 18 through July 17 with nine drivers from three carriers in Minnesota, Wisconsin, and Ohio under the same six-week and $600 structure.

These small numbers show why drivers should not interpret the pre-tests as proof that a new rule has already been adopted. FMCSA is reviewing the results to refine the larger 2027 studies. A pilot can generate evidence for a later policy decision, but it does not guarantee that the tested schedules will become permanent or that the final design will match every detail of the pre-test.

Detention and driver pressure are part of the safety question

A pause could help a driver preserve usable time during an unexpected delay, but it could also be misused if a shipper, receiver, broker, or carrier treats the flexibility as permission to schedule more detention or pressure a tired driver to continue. FMCSA says it will monitor shippers during the Split Duty Period pilot to reduce the risk of increased detention and exploitation.

Participants should document arrival and departure times, duty status, communications, sleep opportunities, and any instruction that conflicts with the pilot protocol or safe operation. Nonparticipants should continue following existing HOS and coercion protections. No proposed productivity benefit authorizes falsifying a log, misclassifying work, or driving while ill or fatigued.

What drivers and carriers should do now

First, follow the current ELD and HOS rules unless FMCSA provides specific written pilot authority. Second, train dispatchers so they do not confuse an announcement, application, pre-test, or expression of interest with approval. Third, preserve any participation instructions, exemptions, consent forms, ELD procedures, and contact information with the carrier's compliance records.

Before considering a pilot, ask what vehicles and operations qualify, whether team or solo drivers are eligible, which ELD and monitoring equipment are required, how privacy and study data are handled, what events end participation, and who answers after-hours compliance questions. Confirm insurance and customer requirements too. Research participation should add controlled flexibility—not create uncertainty at roadside.

Use current rules when planning training and tests

Entry-Level Driver Training curricula for Class A and Class B include hours of service, fatigue and wellness, trip planning, and safe operation. Students should learn the rules they will be expected to follow on the CDL job today. A proposed or limited pilot belongs in an industry-update discussion, not as the default answer on an HOS lesson, carrier orientation quiz, or roadside inspection.

Practice reading the available-hours screen on an ELD, separating driving from on-duty time, calculating the 14-hour window, and recognizing a valid current sleeper pair. If a future employer joins a pilot, complete the employer and research-specific training before using its alternative. Experimental flexibility is safest when the driver already understands the baseline.

The practical takeaway for 2026

FMCSA's two programs may produce useful evidence about whether drivers can take rest when they need it, avoid congested or hazardous periods, and reduce the damage caused by detention without weakening safety. The August update confirms that both concepts moved through pre-testing and that larger studies are expected in 2027.

For now, keep the distinction clear: planned pilot options are not general HOS permissions. Follow today's 11-hour, 14-hour, break, cycle, and sleeper-berth rules unless you receive formal pilot authorization. CDL Compass Class A and Class B ELDT theory courses can build the required HOS foundation; current FMCSA instructions and carrier safety guidance must govern every real trip.