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Driving & DMV

When approaching a curve, what is it best to do?

Quick answer

It is best to slow down and brake before you enter the curve, not while in it. Reduce speed on the straight approach, then steer smoothly through the turn and gradually accelerate as you exit, staying in your lane.

The answer

When approaching a curve it is best to slow down and brake before entering the curve, then ease off the brake, steer smoothly through the turn, and gently accelerate as you come out. The core principle behind every state driver's manual is the same: do your braking on the straight approach while the car is going straight and the tires have maximum grip. By the time you reach the curve, you should already be at a safe speed so you can simply steer.

This works because of how tire traction is shared. A tire has a limited amount of grip, and that grip must be split between the two jobs you ask of it: slowing the car and turning the car. On a straight road, all of the available grip is used for braking. In a curve, some of it is already being used to change direction. If you brake hard while also turning, you demand more grip than the tire can supply, and the tire breaks loose, causing a skid or a slide toward the outside of the curve. Braking first keeps those two demands separated so neither overwhelms the tire.

Why the wrong approaches fail

  • Braking during the curve — This is the classic mistake. Adding braking force to cornering force overloads the front tires and can cause understeer (the car plows straight instead of turning) or, if you brake abruptly, a spin. It also shifts weight forward and unsettles the car mid-turn.
  • Accelerating hard into or through the curve — Speeding up increases the sideways (centrifugal) force pushing the car outward. Too much speed for the curve's radius is the single most common cause of run-off-road crashes. Gentle acceleration is correct only as you exit and the wheel is straightening.
  • Coasting in neutral — This removes engine braking and reduces your control; you should be in gear with the ability to adjust power smoothly.
  • Drifting wide or cutting across the line — Straying out of your lane risks a head-on collision on two-lane roads. Stay in your lane the whole way through.

The bigger picture

Think of a curve in three phases: approach, apex, and exit. On the approach, look ahead, read the curve's sharpness, and brake down to a safe speed while still straight. At the apex (the middle), be off the brakes and let the car track through at steady speed. On the exit, gradually feed in the accelerator as you unwind the steering. Slower entry with smooth power on exit is not only safer but actually quicker and more stable.

On winding roads, repeat this rhythm for each curve and slow even more when the road is wet, icy, or the curve is blind, because both traction and sight distance are reduced. A helpful rule from many manuals: if you find yourself braking hard in the middle of a curve, you entered too fast. Get your speed right before the turn and the curve takes care of itself.

  1. 1

    Look ahead and read the curve

    Spot the curve early, judge how sharp it is, and check for signs, oncoming traffic, or a posted advisory speed.

  2. 2

    Brake while still going straight

    Slow to a safe speed on the straight approach, when the tires have full grip for braking, before you begin to turn.

  3. 3

    Release the brake and steer smoothly

    Come off the brake as you enter the curve so the tires' grip is used for turning. Steer in one smooth motion and stay in your lane.

  4. 4

    Hold a steady speed through the middle

    At the apex, avoid braking or hard acceleration; let the car track through at a constant, controlled speed.

  5. 5

    Gradually accelerate on the exit

    As the road straightens, gently add throttle and unwind the steering to power smoothly out of the curve.

Frequently asked

Should you brake before or during a curve?

Brake before the curve, while the car is still traveling straight. This uses the tires' full grip for slowing. Braking during the curve splits traction between slowing and turning, which can overload the tires and cause a skid.

How should you position your car when driving through a curve?

Stay within your own lane throughout the entire curve. Do not drift wide across the center line or cut the corner. Keep smooth, steady steering and a controlled line so you remain predictable to other drivers.

Why do you slow down before a curve?

A tire's grip is limited and must handle both braking and turning. Slowing before the curve frees that grip for steering, and lower speed reduces the sideways force pushing the car outward, which is the main cause of losing control on curves.

What causes cars to lose control on curves?

The most common cause is entering too fast for the curve's radius, which creates more centrifugal force than the tires can hold. Braking or accelerating hard mid-curve, wet or icy surfaces, and worn tires also reduce traction and can trigger a skid.

How do you safely drive on winding roads?

Treat each curve individually: slow down on the straight approach, steer smoothly through, and accelerate gently on the exit. Reduce speed further in rain, ice, or on blind curves, and always stay in your lane in case of oncoming traffic.

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