B1Prohibitory sign

B1 No entry for all vehicles in both directions

Prohibits entry for all vehicles from both directions; the road or area is completely closed to vehicles.

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.

Zákaz vjezdu všech vozidel v obou směrech

Značka zakazuje vjezd všem druhům vozidel.

Příloha č. 3 k vyhlášce č. 294/2015 Sb., ve znění vyhlášky č. 205/2025 Sb.