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If You Can't See His Face in the Mirror, He Can't See You

Truck driver rear view
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Most writing about truck safety is aimed at people after something has already gone wrong. This one's for the much larger group who drive I-20 or US-49 or a couple hundred miles of two-lane every week and would like to keep it boring. One number explains why it's worth ten minutes. In 2024, in two-vehicle crashes between a car and a large truck, 96 percent of the vehicle occupants who died were in the car. You can't do anything about how the truck driver drives. There are about ten decisions on your side of the equation, and the federal agency that regulates trucking has published most of them.

1. The mirror rule

If you remember nothing else, remember this one. FMCSA states it plainly: "If you can't see the driver in the truck's side mirror, assume that the driver can't see you." Tractor-trailers have blind spots that FMCSA calls No Zones. These zones are off the front, the back, and both sides. They aren't like the blind spot in your car. They'll swallow a whole vehicle, and the one on the right side is the worst of the four. FMCSA's advice is to stay out of them entirely: "The safest place for passenger vehicle drivers, bicyclists and pedestrians is either behind or in front of large trucks and buses."

So when you pass, pass. Don't settle in beside the trailer and ride there for six miles because you're comfortable.

2. Pass on the left and be done with it

FMCSA's guidance: signal early, make sure you're visible in his mirror before you move over, don't try going downhill where he's picking up speed, and don't pass from the right lane.

That right-side blind spot is the biggest one on the vehicle. A pass conducted entirely inside it is a pass he may never see happen.

3. Two football fields

FMCSA's public materials say a truck at 65 miles an hour needs up to two football fields to stop, and that trucks take about 40 percent longer to stop than a car.

The regulatory numbers back that up and are worth knowing. Under Federal Motor Vehicle Safety Standard No. 121, the maximum permitted stopping distance for most loaded truck tractors from 60 miles an hour is 250 feet. That's the legal ceiling, under test conditions, dry pavement, brakes in order.

Which brings us to the thing people do constantly without thinking about it. When you cut in front of a tractor-trailer, you have put your car inside a stopping distance he cannot shorten. FMCSA says to "leave extra space when merging in front of these large vehicles, to give them the stopping space they need." Cutting in and then braking is about the most dangerous thing a car driver can do around a truck.

4. Never go up the inside of a right turn

FMCSA doesn't soften this one: "When a truck or bus is turning right, never try to squeeze between the vehicle and the right curb." A tractor-trailer can't take a right turn out of the right lane the way you can. It has to swing left first — FMCSA notes trucks "may even initiate a turn from a middle (rather than far right) lane." From behind, that looks like a truck going straight, or drifting left, opening up what appears to be a gap on the right. The gap is closing. Wait.

5. Back off

Tailgating a trailer costs you your entire view of the road. You can't see the traffic, the brake lights, the stopped car, the ladder that fell off somebody's truck — all things the driver in front of you can see from eight feet higher. It also puts you in the rear underride position, which is its own article in this series and one of the worst places to be on a highway.

The national numbers say people do this a lot. In two-vehicle fatal crashes, large trucks got struck from behind about three times more often than the other vehicle — rear impacts to 22.1 percent of large trucks against 6.8 percent of the cars.

6. Rain changes everything, and it changes it faster for him

Every distance in this article gets longer on wet pavement, and it stretches more for the truck than for you.

Truck drivers have their own duty here. 49 C.F.R. § 392.14 requires "extreme caution in the operation of a commercial motor vehicle... when hazardous conditions, such as those caused by snow, ice, sleet, fog, mist, rain, dust, or smoke, adversely affect visibility or traction," says "speed shall be reduced when such conditions exist," and says that if it gets bad enough, driving "shall be discontinued." Assume some of them will follow that and some won't. Set your following distance for the ones who won't.

7. Let him get up the hill

FMCSA: "Trucks and buses need time to accelerate. Be patient and understand they are driving at a safe speed for their cargo and weight." A loaded truck pulling away from a light, or grinding up a grade on I-55, isn't being slow at you. It's moving forty tons. The maneuvers people make out of irritation around slow trucks — the aggressive pass, the dive into a closing gap — are the ones that end badly.

8. Wear the belt

FMCSA lists it among its tips for a reason: "Using a safety belt is one of the easiest and most important things drivers can do to save lives." The message apparently hasn't fully landed even with the professionals. IIHS found 45 percent of fatally injured large truck drivers in 2024 were belted — about the same as the 46 percent figure for car drivers who died. When the weight ratio is 20 or 30 to 1, a seat belt isn't a marginal improvement. It's whether you stay inside the survival space or don't.

9. Put the phone down

A commercial driver who's text messaging runs 23 times the risk of a safety-critical event. That's from Virginia Tech's naturalistic driving research for FMCSA — real trucks, real drivers, and three million miles of recorded driving. There's no version of physics where you're exempt from that because your vehicle is smaller.

FMCSA adds the detail that makes it concrete: drivers who text look away from the road for an average of 4.6 seconds, which at 55 miles an hour is "the approximate length of a football field without looking." Doing that beside something that can't stop and can't see you is a bad combination.

10. Know when the risk actually shows up

Two things from the national data that are worth carrying around, because both cut against intuition.

These are daytime, weekday crashes. In 2024, 76 percent of fatal large-truck crashes happened on a weekday, and 70 percent of those in daylight. IIHS found 47 percent of the deaths fell between 6 a.m. and 3 p.m. The 3 a.m. picture most people carry around is mostly wrong.

And they're rural crashes. Fifty-six percent of fatal large-truck crashes in 2024 were on rural roads; only 25 percent on interstates. Mississippi has about 64,000 miles of rural roadway against roughly 10,000 urban — call it 85 percent rural.

Put those together and the riskiest stretch of your week probably isn't the interstate. It's the two-lane on a Tuesday morning, with a truck coming the other way and a painted line between you.

What none of this promises

Nothing on this list is a guarantee. Plenty of crashes are caused by a truck driver or a trucking company, and no amount of care by the person in the other car would have changed a thing.

But the imbalance isn't going anywhere. Eighty thousand pounds against three thousand, with 96 percent of the deaths on one side of it. Given odds like that, the small margins are worth more than they look — the extra second of following distance, the pass you finish instead of lingering in, the phone you leave face-down in the cupholder.

Sources

This article is provided for general informational purposes only and does not constitute legal advice, nor does it create an attorney-client relationship. Every case turns on its own facts. Statistics cited are drawn from the public sources listed and reflect the data years indicated; figures are updated periodically by the issuing agencies. If you have questions about a specific situation, consult a licensed attorney. Coxwell & Associates, PLLC, 500 North State Street, Jackson, Mississippi 39201. Free background information available upon request.

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