Commercial trucks such as tractor-trailers, semi trucks and 18-wheelers can cause untold destruction in traffic accidents. The sheer size of these vehicles means that the injuries to the other motorists are usually long-lasting and incredibly expensive.

For reputable legal counsel following a truck crash, you can trust our attorney at The Kaiser Law Group. From our law office in Flagstaff, he provides dedicated, strategic personal injury counsel intended to get the results you need. He believes in giving you transparency during your case, plus he offers personalized attention and takes a compassionate approach.
Several factors make crashes involving large commercial trucks much different from those involving two private vehicles. For instance:
You will need legal representation to protect your rights and take on powerful trucking and insurance corporations. Having handled thousands of injury and accident cases, our lawyer knows exactly what to do to give you the best chance of securing maximum compensation.
After a collision on I-40 or I-17 near Flagstaff, more than one party can share fault. The truck driver, the trucking company that employed them, and the motor carrier itself may face liability under Arizona’s vicarious liability rules (the rules that make employers responsible for employee actions). A cargo loader, a maintenance contractor, or the vehicle’s owner can also be named, depending on what caused the crash.
The Kaiser Law Group investigates each of these angles before filing a Coconino County claim.
Commercial trucks generate a paper trail private vehicles do not. Hours-of-service logs and electronic logging device data show whether a driver exceeded federal drive-time limits. Engine control module data can reveal speed and braking at impact. Maintenance records and cargo loading paperwork can expose a mechanical defect or an unsafe load. Motor carriers must keep this evidence only briefly, so it needs to be requested fast.
Truck crashes routinely cause catastrophic injuries, including spinal cord damage and traumatic brain injury requiring lifelong care. Arizona law allows injured Coconino County residents to pursue medical bills, lost wages, future medical costs, and non-economic damages for pain and suffering. Commercial insurance policies often carry higher limits than personal auto policies, so a full damages review matters even more in a catastrophic truck accident injuries case.
Arizona’s statute of limitations gives most truck accident victims two years from the crash date to file suit under A.R.S. Section 12-542. This deadline can be shorter or longer in some cases. For example, if the injury wasn’t discovered right away, if the injured person was under 18 at the time of the crash, or if a government vehicle or employee was involved.
However, some evidence disappears much faster than that. Federal law only requires trucking companies to keep driver logs for six months (49 CFR § 395.8(k)). Other key evidence, like the data recorded in the truck’s engine control module (ECM) — often called “black box” data, can be automatically erased within days or weeks of the crash, sometimes sooner if the truck goes back into service.
The Kaiser Law Group’s truck accident lawyers send preservation letters early, legally requiring a motor carrier to hold onto logs, black box data, and maintenance files before a Flagstaff claim moves forward.
After a truck accident, the trucking company and its insurer immediately send their own people to the accident site to gather – and sometimes hide – evidence. You need an equally devoted lawyer to investigate the scene on your behalf.
Our founding attorney, Daniel B. Kaiser, is a former investigator who decided to devote his career to law instead. Now, he draws from his experience to put together strong, persuasive cases for the victims of devastating accidents. He takes an aggressive approach with insurance companies, trucking corporations and opposing counsel, never tiring when protecting your rights.

A: The best time is right after the crash, before the trucking company’s insurer builds its defense. Motor carriers send investigators to the scene within hours, and federal rules mean driver logs can disappear within months — and event data like the truck’s “black box” recording can disappear even faster, sometimes within days or weeks. An attorney can send a preservation letter immediately, protecting hours-of-service and maintenance records for your Flagstaff claim.
A: The driver must report the crash to their motor carrier, and federal rules may require post-accident drug and alcohol testing. The trucking company typically notifies its insurer and reviews the driver’s hours-of-service compliance and vehicle condition. Local police also investigate, and that report becomes early evidence in an Arizona injury claim.
A: Liability can extend well beyond the driver. Under vicarious liability, the employer or motor carrier is often responsible for a driver’s negligence on the job. A maintenance company, a cargo loader, or the vehicle’s owner may also share fault, particularly when mechanical failure or improper loading contributed to a Flagstaff truck accident.
A: A trucking company can be sued for negligent hiring, poor maintenance, hours-of-service violations, unsafe cargo loading, or a driver’s careless conduct. Damages commonly include medical expenses and lost income, and Arizona law allows surviving family members to pursue fatal truck accident claims when a Coconino County crash proves fatal.
The Kaiser Law Group is the firm to provide you with help in recovering compensation following a commercial truck crash. We offer free initial consultations. To get yours, please call 928-773-7773 or send us an email.