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Road sign C4b Compulsory direction: go around the obstacle on the left
C4bMandatory sign

C4b Compulsory direction: go around the obstacle on the left

Requires going round the obstacle or traffic island on the left.

In Czech

The exam is in Czech, so it is worth knowing the Czech name. Below is the official text from Czech law, which is not translated.

Přikázaný směr objíždění vlevo

Značka přikazuje objíždět ostrůvek, překážku apod. ve směru vlevo.

Příloha č. 4 k vyhlášce č. 294/2015 Sb., ve znění vyhlášky č. 205/2025 Sb.

Practise road signsMock test

Similar signs

Road sign C4a Compulsory direction: go around the obstacle on the rightC4aCompulsory direction: go around the obstacle on the rightRoad sign C4c Compulsory direction: go around the obstacle on the right or leftC4cCompulsory direction: go around the obstacle on the right or left