Topic: Traffic signs, markings and signals · Nº 604 / 1397

Si conduce un turismo y no lleva cadenas, ¿qué debe hacer ante esta señal?
If you are driving a car and do not have chains, what should you do on seeing this sign?
- ADar la vuelta o detenerse antes de acceder al puerto de montaña.Turn back or stop before entering the mountain pass.
- BPuede continuar, reduciendo mucho la velocidad.You may continue, slowing right down.
- CPasar detrás de un vehículo para mejorar el agarre.Drive behind another vehicle to get better grip.
Show answer
Correct answer
- ADar la vuelta o detenerse antes de acceder al puerto de montaña.Turn back or stop before entering the mountain pass.
Explanation
Sign S-21 shows that the pass is restricted for cars, so they may only use it if they have chains or winter tyres. If they do not have them, they must not enter the pass until the restriction is lifted or road conditions improve.
Independent app: not affiliated with or endorsed by the DGT (Spain's Directorate-General for Traffic) or the Ministry of the Interior. The official exam is booked with the DGT and taken at its test centres. The questions here are practice material; the DGT's official question bank is not public.