Traffic Rules

Roundabouts, Intersections and Merging

Roundabouts follow specific priority rules in Sweden. Get these right and intersections become straightforward — get them wrong and you cause accidents.

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Roundabouts in Sweden

Vehicles already inside the roundabout have priority over those entering. When approaching:

  1. Slow down and check for circulating traffic
  2. Give way to traffic from the left (already in the roundabout)
  3. Enter only when there is a safe gap
  4. Signal right when about to exit
  5. Give way to pedestrians and cyclists at the exit

Multi-Lane Roundabouts

  • First exit or going straight — approach in the left lane
  • Exit to the right — approach in the right lane
  • Stay in your lane throughout; signal when exiting

Unmarked Intersections

When no signs are present, apply the give-way-to-the-right rule. The driver approaching from the left gives way.

T-Junctions

The road that ends (the bottom of the T) gives way to the through road. This may be marked by a give-way sign, a stop sign, or painted give-way lines on the road surface.

Merging on Motorways

  • When joining, match your speed to traffic already on the motorway
  • Give way to traffic in the nearside lane — do not force your way in
  • Use the full length of the acceleration lane before merging

Zip Merging

When two lanes merge into one (lane reduction), alternate one vehicle at a time from each lane. Do not block the merging lane early — join at the merge point.

Key Takeaways

  • Inside the roundabout = priority; entering = give way
  • No signs at a junction → give way to the right
  • The road that ends always gives way at T-junctions
  • Motorway merging: match speed, find a gap, do not force