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Rule 183: Turning left across a bus lane

Advice, not law Road junctions (rules 170 to 183)

When turning

  • keep as close to the left as is safe and practicable
  • give way to any vehicles using a bus lane, cycle lane, cycle track or tramway from either direction, including when they are passing slow moving or stationary vehicles on either side.

Advice, not law. This rule is not written in capitals, so breaking it is not an offence in itself — but it can still be used in evidence in court to establish liability. The rules that say MUST or MUST NOT are the ones backed by law.

1 theory test question on this rule

From the DVSA revision question bank. These are not the questions asked in the real theory test. Each one shows the answer, the explanation, and our own note on why every other option is not it.