When an 80,000-Pound Truck Hits a Passenger Car
A loaded semi truck can weigh up to 80,000 pounds. The average passenger car weighs about 4,000 pounds. When those two vehicles collide, physics decides who gets hurt. In Montana, crashes involving large trucks are a serious and ongoing safety problem. Federal fatality data shows that 34 people died in truck-involved crashes in Montana in 2023, accounting for 16.3% of all traffic fatalities in the state that year.
The people killed are usually not in the truck. In one year of federal data, 20 people were killed in Montana crashes involving large trucks, and 18 of them (90%) were occupants of other vehicles.
Montana’s geography makes truck crashes especially dangerous. Freight moving between the Pacific Northwest and the Midwest funnels through our mountain passes. Agricultural, energy, and logging trucks share two-lane highways with families, commuters, and tourists. Below are five Montana roads where truck crashes happen often, why they happen, and what you can do if a trucking company’s negligence injures you or someone you love.
Why Montana Interstates Carry So Much Truck Risk
Montana’s interstates make up a tiny share of the state’s roads but carry most of its heavy freight. Montana Department of Transportation figures show that Montana’s 1,191 miles of interstate are just 17.8% of the national and primary highway system, yet they carry 59.2% of commercial vehicle miles traveled. The same MDT data found that 36.3% of Montana commercial vehicle crashes occur on the interstate, which makes up only 1.6% of all road miles.
That concentration of heavy trucks on a small number of roads, many of them crossing mountain passes, is why the same stretches keep showing up in crash reports.
1. Interstate 90 Over Bozeman Pass
Bozeman Pass, the stretch of I-90 between Bozeman and Livingston, is Montana’s most notorious corridor for truck crashes. A Montana Free Press analysis of MDT data found that this busiest section of rural interstate in Montana, combined with its tight corners, produces an accident rate nearly four times the Montana interstate average.
Steep grades, sharp curves, and sudden winter storms create the conditions for jackknifes, rollovers, and trucks sliding across lanes. Local news reports show how often this happens. In one incident, the Montana Highway Patrol responded to a jackknifed semi on the Bozeman Pass at mile marker 316. In another, a semi was on its side west of Jackson Creek while MDT’s road report showed snowy and icy conditions in the area. Other crashes on the pass have shut down traffic for hours.
The danger continues into Bozeman itself. In a fatal crash near the East Main exit, troopers reported that a semi traveling eastbound drove off the road on the right side just before a bridge deck, and the responding trooper said the road was “really slick.” Two people died in that crash.
2. Interstate 90 Over Homestake Pass Near Butte
Homestake Pass crosses the Continental Divide on I-90 east of Butte. Like Bozeman Pass, it combines a long climb, a steep descent, curves, and fast-changing weather. Trucks heading downhill risk brake fade and runaway conditions, while trucks crawling uphill create dangerous speed differences with passenger cars.
Semi crashes on Homestake Pass regularly block traffic. One early-morning crash forced single-lane traffic in the eastbound lane, while a second semi crash slowed traffic near Bozeman at the same time. When winter conditions hit both passes at once, a single bad day can produce multiple truck wrecks across southwest Montana.
3. Interstate 15 Between Butte and Helena
Interstate 15 is Montana’s main north-to-south freight route, connecting Idaho and Utah to Butte, Helena, Great Falls, and the Canadian border. The stretch between Butte and Helena passes through canyon country and higher elevation terrain near Boulder and Elk Park, where weather can turn quickly.
Multi-truck crashes on I-15 can close the entire interstate. In one incident, troopers were turning traffic back on I-15 north of Boulder after a crash involving a number of semi-trucks about 8 miles north of Boulder started blocking both directions before midnight. Chain reaction crashes like this often catch passenger vehicles in the middle, with devastating results.
4. U.S. Highway 2, the Hi-Line
U.S. Highway 2 runs across northern Montana and is one of the state’s deadliest highways overall, with 53 deaths on the cross-state US 2 over a recent five-year period. It is a major route for grain trucks, livestock haulers, oil field traffic in northeastern Montana, and freight headed west toward Glacier and the Flathead.
Much of US 2 is a two-lane highway. That means head-on crashes when vehicles pass slow trucks, rear-end crashes when cars come up fast on heavy loads, and serious danger at rural intersections and railroad crossings. In one northeastern Montana crash, the Montana Highway Patrol reported that a box truck traveling south on Road 1013 near US Highway 2 entered the railroad tracks. Long distances between towns also mean emergency help can take a long time to arrive after a truck crash.
5. U.S. Highway 93 in Western Montana
U.S. Highway 93 carries heavy truck traffic from Idaho through the Bitterroot Valley, Missoula, and up to Kalispell and the Canadian border. Federal data puts US 93 near the top of Montana’s deadliest highways, with 58 fatalities between Idaho and the Canadian border over five years.
Logging trucks, freight trucks, and delivery vehicles share this busy two-lane corridor with rapidly growing commuter traffic. Mountain sections are especially dangerous. Near the Idaho border, a winding three-mile section through Lost Trail Pass has suffered accidents at nearly four times the statewide average. Heavy wildlife crossings add another hazard, since a truck that swerves or brakes hard to avoid an elk can jackknife into oncoming traffic.
Common Causes of Truck Accidents in Montana
Truck crashes are rarely just bad luck. Most can be traced to choices made by drivers or trucking companies.
Driving too fast for conditions. Montana weather changes fast, and a speed that is safe on dry pavement can be deadly on ice. In one Bozeman crash, troopers cited the semi driver for going too fast for conditions after he lost control near the 19th Avenue exit.
Driver fatigue. Federal hours of service rules limit how long truck drivers can drive, but tight delivery schedules push some drivers and carriers to break them. Long, empty stretches of Montana highway make drowsy driving even more dangerous.
Brake failure on mountain grades. Poor maintenance and improper braking technique on long descents can cause brakes to overheat and fail.
Improperly loaded or secured cargo. Shifting loads can cause rollovers on curves, and unsecured cargo can spill into traffic.
Distracted or impaired driving. Phones, dispatch devices, and drugs or alcohol slow a truck driver’s reaction time at exactly the wrong moment.
Inexperienced or poorly trained drivers. Mountain driving and winter conditions require skills that some drivers never receive.
Negligent hiring and supervision. Trucking companies that hire drivers with poor safety records, skip drug testing, or ignore maintenance problems put everyone on the road at risk.
Why Truck Accident Cases Are Different From Car Accidents
A truck accident claim is far more complicated than a typical car crash claim. Several parties may share responsibility, including the truck driver, the trucking company, the company that loaded the cargo, the maintenance contractor, and the manufacturer of a defective part. Each may have its own insurance and its own lawyers.
Trucking companies also move quickly after a crash. Many send investigators and insurance representatives to the scene within hours. Critical evidence, such as electronic logging device data, the truck’s black box, driver logs, dispatch records, maintenance files, and drug test results, can be lost or overwritten if no one acts to preserve it. An experienced truck accident attorney can send a preservation demand right away so that evidence is not destroyed.
Federal regulations from the Federal Motor Carrier Safety Administration govern driver hours, vehicle inspections, cargo securement, and driver qualifications. Violations of these rules can be powerful evidence of negligence, but only if someone knows where to look.
Injuries Caused by Montana Truck Accidents
Because of the massive size difference, truck crashes often cause catastrophic injuries, including:
- Traumatic brain injuries and concussions
- Spinal cord injuries and paralysis
- Broken bones and crush injuries
- Internal organ damage and internal bleeding
- Severe burns from fuel fires
- Amputations
- Wrongful death
These injuries often require long hospital stays, multiple surgeries, rehabilitation, and lifelong care. The financial and emotional toll on victims and their families can be overwhelming.
What to Do After a Truck Accident in Montana
If you are involved in a crash with a commercial truck, take these steps to protect your health and your claim:
- Get medical care immediately. Truck crash injuries are often more serious than they first appear.
- Call 911 and the Montana Highway Patrol. An official report documents the scene, weather, and the trucking company’s information.
- Document everything you can. Photograph the truck, its DOT number, the trailer, cargo, skid marks, road conditions, and your injuries.
- Get witness information. Other drivers and passersby can confirm what the truck was doing before the crash.
- Do not talk to the trucking company’s insurer. Their adjusters work to limit what the company pays. Do not give a recorded statement or sign anything.
- Contact a truck accident lawyer quickly. Fast action is often the only way to preserve electronic data and maintenance records before they disappear.
Montana Law and Your Truck Accident Claim
Under Montana Code Annotated Section 27-2-204, you generally have three years from the date of the crash to file a personal injury lawsuit. Do not let that deadline lull you into waiting. In truck cases, the most important evidence is often in the trucking company’s hands, and it can vanish long before three years pass.
Montana follows a modified comparative fault rule under MCA Section 27-1-702. You can recover compensation even if you were partly at fault, as long as your share of fault is not greater than the fault of the parties you are suing. Your recovery is reduced by your percentage of fault. Trucking companies and their insurers often try to blame the passenger car driver, the weather, or the road. A thorough investigation keeps the focus on what the truck driver and the company did wrong.
Compensation in a Montana truck accident case may include medical expenses, future medical care, lost wages, lost earning capacity, pain and suffering, loss of enjoyment of life, and, in wrongful death cases, damages for surviving family members. When a trucking company’s conduct is especially reckless, punitive damages may also be available under Montana law.
Contact Western Justice Associates
If you or someone you love was hurt in a truck accident on Bozeman Pass, Homestake Pass, I-15, the Hi-Line, US 93, or anywhere in Montana, Western Justice Associates is ready to help. Our attorneys are recognized by Best Lawyers in America for personal injury litigation and insurance litigation, and we know how to take on trucking companies and their insurers.
Call (406) 587-1900 for a free consultation. We serve clients across Montana from our offices in Bozeman and Missoula, and we come to you if your injuries keep you from traveling. We work on a contingency fee basis, so you pay nothing unless we recover compensation for you.
