Use of Public Roads
Study all Use of Public Roads questions for the Spanish DGT theory test.
Reviewed on 9 Oct 2026
65 questions
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- On multi-lane roads outside urban areas, where must vehicles over 3,500 kg MAM generally drive?
- In a roundabout, in which direction must you circulate?
- On a road with more than two lanes in the same direction, which vehicles are banned from the third lane or beyond?
- Who can use an HOV (High Occupancy Vehicle) lane?
- Are trailers allowed in an HOV lane?
- What is required when driving in a reversible lane?
- What is the speed limit on an additional lane or an opposite-direction lane?
- What lighting is required when driving in an additional lane?
- Which of the following must use the shoulder?
- Which of the following must also use the shoulder?
- When must cyclists ride in single file on the shoulder?
- When a vehicle that must use the hard shoulder (other than a bicycle) overtakes another, for how long at most may they travel side by side?
- What is the maximum distance allowed side by side when vehicles that must use the hard shoulder overtake each other?
- What is the minimum distance heavy vehicles must maintain from the vehicle ahead on interurban roads?
- What is the minimum safety distance in a tunnel for general vehicles?
- What is the minimum distance in a tunnel for vehicles over 3,500 kg MAM?
- Where must pedestrians walk if there is no sidewalk in an interurban area?
- In a built-up area, where must pedestrians walk if there is no pavement or other usable pedestrian area?
- Who decides which roads and areas roller skates, skateboards and e-scooters (personal mobility vehicles) may use?
- Are pedestrians allowed on motorways and expressways?
Questions people find hardest
Share of answers that were wrong, from learners who have answered each question at least 20 times.
- In a roundabout, in which direction must you circulate? 52% wrong
- Where must animals be moved on the road? 39% wrong
- Does a paved road have priority over an unpaved road? 26% wrong
- By how much must school transport vehicles reduce their speed on non-urban roads? 25% wrong
- When driving outside built-up areas, is daytime use of low-beams mandatory? 23% wrong
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).