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Road sign IP4b One-way traffic
IP4bInformative sign

IP4b One-way traffic

A variant shape of the one-way traffic sign with the same meaning as IP4a.

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.

Jednosměrný provoz

Značka označuje směr jízdy vozidel na jednosměrné pozemní komunikaci.

Příloha č. 5 k vyhlášce č. 294/2015 Sb., ve znění vyhlášky č. 205/2025 Sb.

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