What does the traffic sign indicate?
R-303: No left turn
- Prohibitory sign indicating that **turning left is prohibited** at that point.
- By extension, it **also prohibits U-turns**.
- Its purpose is to prevent dangerous manoeuvres and improve traffic flow.
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Yes. The public page is only the entry point. In the app you can continue with more questions, explanations, translations and progress tracking.
Yes. Web access works together with the app: install ProntoTest, sign in on mobile, and then open the web version by scanning the login QR from the app.
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.
