What must you do when you see this sign?
Compulsory direction (R-400)
It is an **obligation** sign: the **arrow** indicates the **only direction and sense of travel** that vehicles must follow. Following it is **obligatory**; it is **prohibited** to continue in any other direction or in a different direction of travel from that indicated.
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Yes. The English version is written for people preparing the Spanish DGT theory test in English and includes a translation toggle plus app CTA.
Yes. Each public question includes a hint and an explanation block so the page is useful even before you open the app.
