Use of Public Roads

Study all Use of Public Roads questions for the Spanish DGT theory test.

Reviewed on 9 Oct 2026

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Frequently asked questions

What is the maximum blood alcohol level for drivers with more than 2 years of licence?
0.5 g/l The maximum allowed is 0.5 g/l in blood (0.25 mg/l in breath) for general drivers.
At an unmarked intersection, who has right of way?
The vehicle on the right At unmarked junctions, priority goes to the vehicle approaching from the right.
The safe distance to the vehicle ahead must allow you to…
Stop without crashing in case of sudden braking The safe distance must be enough to stop without crashing if the car ahead brakes sharply.
Low-beam headlights must be used…
At night on sufficiently lit roads Low-beams are used at night on lit roads, in lit tunnels and whenever visibility conditions require.
The maximum blood alcohol level for a novice driver (less than 2 years of licence) is…
0.3 g/l For novice drivers (under two years of licence), the maximum allowed is 0.3 g/l in blood (0.15 mg/l in breath).