HOS Relief for Emergency Drivers: FMCSA Now in Review

FMCSA Reviews HOS Relief for Emergency Response Drivers

The Federal Motor Carrier Safety Administration is reviewing two requests for HOS relief.

Both requests involve emergency response drivers. These are not typical freight haulers. They are drivers who may be called out for rail incidents, hazardous materials cleanup, environmental response, and other urgent jobs.

FMCSA has not approved either request. The agency is asking for public comments first. After that, FMCSA will decide whether to approve or deny each request.

Still, the notices raise a key question for trucking. Should some emergency response drivers be allowed to go past normal HOS limits when public safety or critical service is at risk?

The answer could matter most to a small group of drivers. But the larger issue touches the whole trucking industry. It involves HOS relief, driver fatigue, safety, and how far federal rules should bend during urgent events.

Two Emergency Response Companies Ask for HOS Relief

The first request comes from Mainline Services, LLC.

Mainline works in railroad construction, maintenance, emergency response, heavy equipment recovery, disaster response, and rail support. The company says its crews respond to rail problems across the country.

Mainline is asking FMCSA for a five-year exemption from parts of the HOS rules. The request would cover drivers who move equipment to unplanned rail events.

Those events may include train derailments. They may also include disabled trains, blocked tracks, damaged rail lines, bridge strikes, washouts, storm damage, and other rail safety issues.

The second request comes from Lone Star Haz Mat Response, LLC.

Lone Star provides hazardous materials response, environmental cleanup, and emergency response services. Its request is different from Mainline’s request.

Lone Star is not mainly asking for more drive time to reach an emergency. Instead, it is asking for HOS relief after the work is done.

The company wants its field response drivers to be allowed to exceed HOS limits only to return to their normal work reporting location or home after a hazmat response job.

That difference is important.

Mainline wants relief so drivers can get to rail emergencies. Lone Star wants relief so drivers can get back after hazmat work is complete.

Which HOS Rules Are Involved?

Both requests involve major HOS rules for property-carrying commercial motor vehicle drivers.

Mainline is asking for relief from the 14-hour driving window. It is also asking for relief from the 60-hour and 70-hour weekly limits.

Under normal rules, most property-carrying CMV drivers may not drive after the 14th hour after coming on duty. That period starts after the driver has taken 10 hours off duty.

Drivers are also limited by weekly on-duty rules. A driver may be barred from driving after 60 hours on duty in seven days. Another limit applies after 70 hours on duty in eight days. Which rule applies depends on the carrier’s schedule.

Lone Star’s request covers a wider list of HOS rules. The notice points to the 10-hour off-duty rule, the 11-hour driving limit, the 14-hour window, the 30-minute break rule, and the 60-hour and 70-hour weekly limits.

These are not small technical rules. They are core safety rules for commercial truck drivers.

That is why the notices matter. FMCSA is being asked to decide whether urgent response work can justify narrow exceptions to rules that are meant to help manage driver fatigue.

Why Emergency Work Can Create HOS Problems

Mainline says rail emergencies can happen at any time. They may take place at night. They may happen after drivers have already been on duty at their normal work base.

The company says drivers may need to travel to remote rail sites. They may also need to work on or near railroad rights-of-way.

Another issue can come up with emergency declarations. Some events are serious, but they may not lead to a formal federal or state emergency declaration.

That matters because normal emergency relief may not apply without that declaration.

For example, a blocked rail line may affect freight. A derailment may create a safety issue. A blocked grade crossing may affect the public. But if no formal emergency is declared, the driver may still be held to normal HOS limits.

Mainline argues that this can delay response. The company says HOS limits may stop drivers from reaching an incident site when quick action is needed.

Lone Star describes a different problem.

The company says its drivers are dispatched only when they have enough available HOS time at the start of the job. But hazmat and cleanup work can be hard to predict.

A response job may take longer than expected. A driver may finish the work but no longer have enough legal time left to drive back to base or home.

Lone Star says its requested HOS relief would apply only to that return trip after the response work is done.

How HOS Relief Could Affect Commercial Truck Drivers

Most commercial truck drivers would not be directly affected by these requests.

A dry van driver, reefer driver, flatbed driver, tanker driver, or local delivery driver would not see a direct change from these notices. The requests are aimed at a narrow group of specialized emergency response drivers.

The impact would be greatest for drivers who work in rail recovery, hazmat response, environmental cleanup, disaster response, and heavy equipment movement tied to emergency work.

For those drivers, approved HOS relief could mean more legal flexibility during unusual jobs. It could allow them to respond to certain incidents or return from completed work without being stopped by normal HOS limits.

But the same issue also raises safety concerns.

Emergency response drivers may already face long days. They may work overnight. They may deal with dangerous scenes, bad weather, blocked roads, rail damage, hazardous materials, or public safety risks.

Adding more driving after that kind of work can raise fatigue concerns.

That is the driver-centered issue in these notices. The question is not only whether a job is urgent. The question is whether a tired driver should be allowed to keep driving, and under what limits.

Mainline Lists Driver Safety Measures

Mainline says it has safety controls in place.

The company says drivers would get at least one hour of lead time before moving equipment. It also says drivers travel in convoys. Escort vehicles are placed at the front and rear.

Mainline also says vehicles have two-way radios. Supervisors conduct radio checks every 30 to 45 minutes. Those checks require each driver to confirm their status.

The company says supervisors are trained to spot signs of driver fatigue. It also says company policy does not require drivers to operate a vehicle if they feel tired.

Mainline adds that the requested exemption would apply only to travel time to the job site. Time spent doing rail restoration work would still be counted as on-duty time. It would not be counted as driving time. But it would still count toward daily and weekly HOS duty limits.

The company also says drivers would get the required rest period after finishing work at an incident site before driving a CMV on a public road.

Lone Star Says HOS Relief Would Be Limited

Lone Star’s request focuses on the end of the job.

The company says its drivers may start a response with enough legal time. But the length of a hazmat or cleanup job can change after crews arrive.

Lone Star says the requested HOS relief would be used only to return to a normal work reporting location or home after response work is finished.

The company also says the need would be limited. It estimates the relief would be used about four to five times per month.

That detail matters for FMCSA’s review. The agency must decide whether the exemption would keep safety at a level equal to, or greater than, current rules.

Compliance Teams Should Watch the Decision

These notices are especially important for compliance officers and safety departments.

At this point, neither request gives any carrier permission to exceed HOS rules. FMCSA is only asking for comments.

If either request is approved, FMCSA would publish the exact terms. Those terms would matter.

They would explain which drivers are covered. They would also explain when the exemption applies, what records may be needed, and what limits still remain.

Carriers would need to train drivers and dispatchers on those details. A narrow exemption can create compliance problems if staff treat it like broad permission.

That is especially true with emergency work. Dispatch decisions may happen fast. Drivers may be under pressure. Crews may be working at odd hours or in remote areas.

Clear rules would be needed so drivers know when they can use the exemption and when they cannot.

HOS Relief Request Has a Bigger Meaning

These two requests are narrow. They apply to specific companies and special types of work.

Still, they point to a larger issue in trucking.

Federal HOS rules are built for normal driving and duty cycles. Emergency response work does not always follow that pattern.

A derailment, blocked crossing, hazmat spill, storm event, or damaged rail line can happen without warning. The work can also last longer than expected.

That creates a hard question for FMCSA. Should rules built for normal freight hauling apply the same way to emergency response trucking? Or should certain drivers have limited HOS relief when urgent work protects the public or restores critical service?

If FMCSA grants the requests, other emergency response carriers may study the decisions. They may see them as a path for future exemption requests.

If FMCSA denies the requests, the agency may be signaling that current HOS rules will remain hard to change outside formal emergencies.

For drivers, the issue comes back to balance.

Emergency response work can protect people. It can clear blocked rail lines, help restore freight movement and also remove hazards from roads, tracks, and public areas.

But HOS rules exist for a reason. They are meant to reduce fatigue risk and keep drivers safer.

FMCSA will now review the requests, safety information, and public comments before making a final decision.