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The DTC
Control & Positioning (5–7)6 min readLast updated: May 2026
Reviewed by Chris Jackson, DVSA-approved ADILast reviewed: May 2026

Safe Positioning & Lane Discipline

Make sure you drive in the correct position for the road you are on. Good lane discipline and road positioning keep you and other road users safe.

The full guide

Good road positioning keeps you visible, gives you the best view, and creates safe space around your vehicle. On normal roads, drive in the centre of your lane, about a metre from the kerb. Position yourself for a clear view of road signs and upcoming hazards. On bends, position for the best view: stay left on right-hand bends and central on left-hand bends. Adjust your position early for junctions, lane changes, and overtakes. Never cut across the path of oncoming traffic or position yourself on the wrong side of the road unnecessarily. When passing parked cars, give yourself a door's width of clearance. Watch your nearside mirror to judge distance from the kerb. Consistent positioning shows the examiner you are aware of your vehicle's size and space requirements.

Many modern cars have lane-keeping assistance or lane departure warning. These systems can nudge the steering or warn you if you drift across lane markings, but they do not replace good positioning habits. You must still choose and hold your position deliberately. Be aware that the system may not work well on narrow roads, faded markings, or when roadworks change the lane layout. Always stay in full control.

Common faults

  • Driving too close to the kerb.
  • Driving too close to the centre line.
  • Positioning poorly on bends.
  • Not adjusting position for upcoming hazards.
  • Weaving or drifting within the lane.
  • Cutting corners on right turns.
  • Letting lane-assist systems do the positioning for you.

What the examiner looks for

  • Consistent central position within lane.
  • Safe position when passing parked vehicles.
  • Correct approach position at junctions.
  • Good positioning on bends and corners.
  • Awareness of nearside distance from kerb.
  • Early adjustment before hazards.

Quick tips

  1. 1Aim for centre of your lane, not hugging the kerb.
  2. 2Look well ahead to position early for hazards.
  3. 3On right turns, keep left until you are ready to turn.
  4. 4Give cyclists and pedestrians plenty of room.
  5. 5Use your nearside mirror to gauge distance from the kerb.
  6. 6Know when your lane-keeping system is active and when to override it.

Common questions about safe positioning & lane discipline

Can I rely on lane-keeping assist to hold my position?
No. Lane-keeping assist is a warning or gentle correction system, not a replacement for your own steering. It may not work on narrow roads, faded markings, or in roadworks. Stay in control and position the car yourself.
Where should I position my car on the road?
In the centre of your lane, roughly a metre from the kerb on normal roads. This gives you space on both sides and the best forward view. Adjust your position for bends, junctions, and parked vehicles.
How far from the kerb should I drive?
About a metre is ideal on most roads. Too close to the kerb increases the risk of hitting it or debris. Too close to the centre line reduces your margin from oncoming traffic. Use your nearside mirror to check your position.
How should I position for a right turn?
Position just left of the centre line, well before the junction, and signal right. Do not cut the corner — let oncoming traffic pass before turning. Do not position early if there is a left turn before your right turn.
Can I fail for poor road positioning?
Yes. Consistent poor positioning, such as hugging the kerb or drifting across lanes, can result in faults. The examiner wants to see controlled, deliberate positioning that shows awareness of your vehicle size and road space.
How much clearance should I give parked cars?
At least a door's width — roughly a metre. This prevents you from being hit if a door opens suddenly. If there is not enough room, slow down or wait. Always check mirrors before moving out around parked cars.
What position should I take on bends?
On left-hand bends, keep well left for best visibility. On right-hand bends, stay central to avoid crossing the centre line. Reduce speed before the bend so you can position accurately without rushing.

Ready to put this into practice?

These guides are a great starting point, but nothing replaces working with a DVSA-approved instructor who can give you real-time feedback.

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