A flat tire at 70 mph is genuinely dangerous — but the biggest danger is often panic. A controlled, deliberate response keeps you safe. A sudden reaction (hard braking, jerking the wheel) is what causes accidents. Here is how to handle it.
The first few seconds — stay calm and grip
A blowout feels and sounds dramatic: a loud bang, the vehicle pulling hard to one side, a flapping or thumping sound. Your instinct is to brake hard and correct sharply. Do not.
Grip the steering wheel firmly with both hands. Keep the wheel straight. Do not brake hard.
Ease off the accelerator smoothly and gradually. Let the vehicle slow naturally. The extra drag of a flat tire decelerates the car faster than you expect.
Signal immediately and begin moving toward the nearest shoulder, exit, or safe pull-off. Keep the hazard lights off until you have established steering control — then activate them.
Getting to a safe stop
The goal is the right shoulder, an exit ramp, a rest area, or any surface far from traffic. Not the left shoulder on a divided highway — the left side is the highest-risk position.
Drive on the flat if necessary — destroying the tire is acceptable. Destroying the rim is an expensive problem; being stopped in a travel lane is a life-safety problem. The rim can be replaced.
Avoid stopping on curves, in poor lighting, or on inclines if possible. A flat, open shoulder on a straight section is the target.
Once stopped: stay in the vehicle with seatbelts on until the area is safe to exit. On high-speed roads, getting out of a stopped vehicle is dangerous — call for assistance instead of attempting a roadside tire change if the location is unsafe.
Slow flat vs. sudden blowout
A slow flat (nail, small puncture) gives you more time. TPMS will alert you, or you will notice handling getting sluggish. Exit the highway at the next ramp and pull into a parking lot. Inspect the tire — if it is losing pressure slowly and the object is still in the tread, you may have enough time to drive to a nearby shop at reduced speed.
A sudden blowout requires the immediate response above. The distinction matters because the handling response is different — a slow flat allows for a controlled, deliberate exit.
After getting stopped safely
If the location is safe: change to your spare following the standard procedure (loosen lug nuts, jack the vehicle, swap tires, tighten in star pattern).
If the location is unsafe (live highway shoulder, night, insufficient visibility, no jack): stay in your vehicle with seatbelts on and call roadside assistance (AAA, your auto insurance roadside plan, or a local mobile tire service). Turn on hazard lights and, if you have road flares or triangles, deploy them behind the vehicle at a safe distance.
Mobile tire service can come to your location on many West Georgia highway segments. This is safer than attempting a roadside change in poor conditions.
Frequently asked
What causes a blowout on the highway?
The most common causes: severely underinflated tires (heat buildup from flexing destroys the sidewall), overloaded tires beyond their load rating, and impact damage (pothole, road debris) to a tire that is already old or compromised. Proper inflation, correct load rating, and timely replacement are the best prevention.
Should I pull over immediately or try to make it to an exit?
For a blowout: get to the nearest safe stopping point — which may be a few hundred feet away on a shoulder. Do not drive miles on a blown tire. For a slow flat: if the tire is still holding air and you can see an exit 1–2 miles away, a cautious, slow drive to the exit is reasonable.
Is my spare good enough for highway driving?
It depends on the spare. A full-size spare (matching your other tires): drive normally. A compact temporary spare (the 'donut'): these are rated for 50 mph maximum and 50–70 miles total use. Do not drive a donut on the interstate at full speed — take the next exit and get to a shop.
What is the best mobile tire service for a highway flat in West Georgia?
Several mobile tire services cover the I-20 corridor and main routes in Carroll, Douglas, and Paulding counties. Check your auto insurance policy — roadside assistance coverage often includes flat tire service. The 24-hour mobile tire repair shops in the area are the other option for after-hours service.
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Last updated 2026-06-27. General guidance only — confirm specifics with a local shop for your exact vehicle.