Commercial truck drivers in Texas follow federal hours of service (HOS) rules primarily set by the FMCSA. These limits apply to interstate operations and most intrastate trucking as well. Understanding the exact driving, on-duty, and rest requirements helps drivers stay compliant, avoid fines, and maintain safety on America’s roadways. This article breaks down the current HOS framework, how it applies in Texas, and practical tips for staying compliant.
What Are The Federal Hours Of Service (HOS) Rules
The U.S. Department of Transportation regulates how long commercial drivers may operate a vehicle. The core rules known as Hours Of Service (HOS) aim to limit driver fatigue and ensure adequate rest. The rules apply to most property-carrying CDL drivers, including those who haul goods across state lines or within Texas.
Key limits include the maximum driving time, the total on-duty time, and required breaks and rest periods. Drivers must track duty status in an approved method, such as a Hours of Service (HOS) log or an Electronic Logging Device (ELD). Violations can lead to penalties for the driver and the carrier, along with increased risk of roadside enforcement scrutiny.
Maximum Driving Time And On‑Duty Limits
11 hours of driving per shift is the limit for most CDL holders. After reaching 11 hours of driving in a day, a driver must not drive again until they are re‑qualified by resting enough and meeting the other HOS requirements.
In addition to the 11 hours of driving, a driver is subject to a 14-hour on-duty limit. This 14-hour window begins when the driver first comes on duty after a period of off‑duty or sleeper berth time. Within these 14 hours, all on‑duty work counts, including driving, loading and unloading, fueling, and waiting in a yard or terminal. Once the 14 hours expire, the driver must take at least 10 consecutive hours off duty before driving again.
Breaks, Sleeper Berths, And Rest Requirements
Texas drivers must observe the mandated break and rest provisions to reset the on‑duty clock or the driving clock as applicable. A driver must take a 30‑minute break after 8 cumulative hours on duty if there has been no sufficient driving time in that period. The break can be taken as off duty, or in a combination of on‑duty not driving and off duty, depending on the carrier’s ELD interpretation and the driver’s log status.
The rules also define the sleeper berth provision, which allows drivers to split their rest time between sleeper berth and other on‑duty periods under specific conditions. When properly used, the sleeper berth can effectively extend rest opportunities and help manage the daily driving window within the 14‑hour rule. However, the combined sleeper berth and off‑duty time must meet minimum total rest requirements for the driver to remain eligible to drive after the break.
The 70/60-Hour Rule And The 34‑Hour Restart
Truck drivers must track hours under the 70 hours in 8 days or 60 hours in 7 days rule, depending on the carrier’s policy and the shift pattern. The standard framework allows drivers to work up to 70 hours in a 8‑day period, or 60 hours in 7 days, before requiring a reset. Carriers choose the applicable version, and drivers must monitor their own cycle to avoid exceeding the limit.
The rules also permit a 34‑hour restart to reset the weekly HOS clock, provided the restart includes two consecutive ½‑day periods from 1 a.m. to 5 a.m. and at least 34 hours off duty. This restart must be used in accordance with company policy and FMCSA guidance, and it does not reset the daily 14‑hour window on the same day it is performed.
Interstate Versus Intrastate: How Texas Applies HOS
Texas generally follows FMCSA HOS rules for interstate commerce, meaning drivers hauling goods across state lines or operating under federal authority must comply with the 11 hours driving, 14‑hour on‑duty, 30‑minute break, and 34‑hour restart where applicable. For purely intrastate operations within Texas, carriers can operate under Texas-specific state rules if approved, but most intrastate CDL drivers still align with FMCSA standards due to standardization and enforcement practices.
In practice, drivers who operate primarily within Texas but occasionally cross into neighboring states typically maintain FMCSA HOS compliance to avoid confusion and ensure consistent policy adherence. Trucking fleets often standardize on FMCSA rules to streamline training, payroll, and ELD data management.
Practical Compliance Tips For Texas Drivers
- Use an approved ELD or logbook to accurately track duty status, driving time, and rest periods. Ensure data is synchronized with carrier policies and FMCSA requirements.
- Plan routes with built‑in rest opportunities to accommodate the 30‑minute break and the 14‑hour window, reducing the risk of late alerts or clock violations.
- Monitor the 70/60‑hour cycle and maintain a clear reset schedule if approaching the cycle limit. A well‑planned cycle minimizes the need for unscheduled downtime.
- Leverage the sleeper berth strategically to optimize rest within the 14‑hour window, while respecting minimum rest requirements and safety considerations.
- Keep documentation up to date and be prepared to show logs during roadside inspections. Accurate records help avoid penalties and disputes.
- Know the 34‑hour restart policy and how to apply it when you’re within the allowed restart window and when it’s permitted by carrier policy.
Common Questions About HOS In Texas
- Can I drive after 8 hours on duty without a break? No. If there has been 8 hours on duty without a driving period, the 30‑minute break rule generally requires breaks within the 14‑hour on‑duty period.
- Does Texas require anything beyond FMCSA rules? Not for standard CDL operations. Texas follows federal HOS rules, with no additional Texas‑specific driving time limits for typical interstate trucking. Intrastate Texas operations usually align with FMCSA unless a carrier has a state‑specific exemption.
- What happens if I violate HOS? Violations can lead to penalties for the driver and carrier, possible out‑of‑service orders, and mandatory retraining. Enforcement will review logs and supporting documents.
Quick Reference: Core HOS Limits At A Glance
| Limit | Detail |
|---|---|
| Driving Time | 11 hours per shift |
| On-Duty Time Window | 14 hours starting from on‑duty status |
| Break Requirement | 30‑minute break after 8 hours on duty if no driving time occurred |
| Off‑Duty Rest | 10 consecutive hours required before driving again |
| Weekly Cycle | 70 hours in 8 days (or 60 in 7 days, per carrier policy) |
| Restart | 34‑hour restart with two periods between 1 a.m. and 5 a.m. in the restart |
Conclusion And Practical Takeaways
In Texas, most commercial drivers must adhere to FMCSA hours of service rules, which limit driving to 11 hours per shift and cap the on‑duty period at 14 hours. Breaks, sleeper berth usage, rest requirements, and reset options like the 34‑hour restart are key components of compliance. While Texas largely follows federal rules, drivers should confirm carrier policies, especially for intrastate operations, to ensure alignment with any state‑specific guidelines. Proper planning, data‑driven scheduling, and consistent log maintenance help drivers stay within limits and promote road safety.