DGT C1 licence questions: Traffic signs

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Question index View topic Practise Traffic signs

Inside a tunnel with several lanes of traffic in your direction, you are driving your lorry behind another vehicle which you intend to…
If you are driving an unladen lorry with a maximum authorised mass of 5 tonnes, may you enter a road at whose entrance this sign is…
On a road, may a lorry reverse as a manoeuvre complementary to a U-turn?
As a general rule, above what width must a lorry be fitted with end-outline marker lights?
At the entrance to a carriageway, what does this sign indicate?
On a narrow, steep section, with no signs or officer regulating priority, a truck and a car cannot pass each other. The uphill vehicle…
If you are transporting a load on the lorry you are driving that consists of posts protruding from the front of the vehicle, when must you…
As a general rule, may a goods lorry use a VAO high-occupancy lane because it is loaded or empty, when it is not providing an emergency or…
Outside a built-up area, your lorry is on a carriageway with two normal lanes in its direction. The vehicle in the left lane is not…
At an unsigned narrowing, without officers, roadworks or a steep gradient, a rigid lorry and a car, both without trailers, entered…
If I am driving a two-axle truck with a maximum authorised mass (MAM) of 18 tonnes, may I enter a road if this sign is placed at its…
Entry onto the motorway must be made…
Which belief held by a child pedestrian can increase risk when crossing the carriageway?
Outside a built-up area, a lorry travels on a carriageway with two lanes in its direction. Traffic is not saturated, and the vehicle in the…
This sign indicates:
If you join a road with your lorry using its acceleration lane, how must you do so?
What does the principle of anticipation in defensive driving consist of?
If you are driving a heavily loaded truck and see this sign, in addition to indicating the gradient, it helps you decide that…
In 2026 a Spanish-registered lorry is immobilised by a breakdown on a Spanish interurban road and cannot resume travel. How must it warn…
An ordinary 9,000 kg MAM lorry, without special transport or dangerous goods, travels on a motorway with no lower specific limit. What is…
You drive a 6,000 kg MAM lorry through a tunnel with one lane in each direction and do not intend to overtake. Expressed in metres, what…
In 2026 a Spanish-registered lorry is immobilised by a breakdown on a Spanish interurban road and cannot resume travel. How must it warn…
A lorry carries indivisible poles projecting forward within the ordinary permitted limits. When must that forward-projecting load be marked…
You drive a car and are temporarily stopped at a STOP sign. Under what conditions may you make a telephone call?
A lorry with a 4,000 kg MAM travels outside a built-up area on a paved conventional road. Without dangerous goods, special transport or a…
If the driver of a vehicle intends to reverse, how will they signal this?
As a general rule, may a lorry exceeding 3,500 kg MAM use a reversible lane open in its direction if no specific restriction prohibits it?
Two similar lorries meet in an unmarked narrow section on level ground. It is unclear which entered first, and they would have to reverse…
If you are driving a lorry, in view of this sign, you should know that...
A lorry with a 4,000 kg MAM travels outside a built-up area on a paved conventional road. Without dangerous goods, special transport or a…
Without a specific prohibition and obeying signs, may a 7,500 kg MAM lorry use a temporary additional lane opened under Article 42?
If we're driving a lorry on a road where, for reasons of traffic flow, a lane has been opened for use in the opposite direction to normal,…
When is a voluntary stop prohibited at or near a junction?
A 16,000 kg MAM lorry travels on a built-up-area road that is neither a motorway nor dual carriageway, with three marked lanes in its…
A special vehicle without brake signalling travels on a conventional road outside a built-up area. With no lower applicable limit, what is…
An ordinary 4,000 kg MAM lorry, without special transport, travels on a conventional road. If the car ahead maintains 80 km/h, may the…
In Spain, from 1 January 2026, which advance-warning device must a Spanish-registered lorry use if immobilised on the road?
In the first fortnight of the month, does this sign prohibit stopping your lorry for less than two minutes without leaving it, if no other…
If you are driving a lorry with a maximum authorised mass (MAM) exceeding 3500 kg, what must you always check before starting an overtaking…
A special vehicle is not a motor cultivator, does not tow a trailer, has brake signalling and does not meet the conditions for the 70 km/h…
If a traffic officer raises an arm vertically and we cannot stop our vehicle safely…
At a narrow passage without a steep gradient or priority signs, your rigid lorry and a lorry-trailer combination arrive together. If one…
With the engine running, the red oil-pressure warning light illuminates. What condition does it warn of?
At an unsigned narrowing, with no traffic officer, roadworks or steep-gradient section, it is known which vehicle entered first. Which has…
An ordinary lorry not carrying dangerous goods travels outside a built-up area on a paved conventional road with one lane in each direction…
Your lorry is over 10 metres long including its load, and you are not signalling an intention to overtake. In which case must you…
A rigid lorry with no trailer or special transport status and a motor caravan arrive together at an unsigned narrowing on a level road.…
On a road with one lane in each direction, you have started overtaking using the opposing lane. You approach a crest with reduced…
A lorry with a MAM of 5,000 kg is authorised to use the road. In which case may it use a lane opened in the direction opposite to normal,…
An ordinary lorry and a car towing a trailer with a MAM of 750 kg arrive simultaneously at a narrow passage where they cannot pass each…
Driving your lorry, you arrive at the toll station on the motorway, and at one of the lanes you see this sign. What does it indicate?
A lorry with a MAM of 5,000 kg travels outside a built-up area on a conventional road with one lane in its direction. It is not signalling…
A green arrow-shaped light pointing downwards indicates...
A contraflow lane is opened on a motorway because of roadworks. The lorry is authorised to use that road. May it use the lane?
In 2026, an ordinary Spanish-registered 5,000 kg MAM goods lorry is driven in Spain. What general equipment does Annex XII require, without…
For a tyre subject to EU labelling, which characteristics can the label’s performance classes and indications be used to compare?
Driving a lorry more quickly than... will not be considered overtaking.
Under the clearance criterion in Article 91.2.a, when is stopping or parking your lorry considered dangerous or a serious obstruction?
On a multi-lane carriageway with very dense traffic, you need to change lanes to take a permitted exit. How should you move across?
If the width of the lorry you are driving is greater than 2.10 metres, you should know that outline marker lights are...
In 2026, a Spanish-registered lorry becomes immobilised by a breakdown on a dual carriageway. How must the danger be signalled while…
In an unsignposted narrow passage on level ground, a rigid lorry and a bus, both without trailers, entered at the same time and cannot pass…
If you are driving a lorry and see this sign…
Can guidance delineation devices indicate the limits of road obstacles as well as guide users along the edge or alignment?
Under the current general rule, when overtaking a pedestrian with a motor vehicle, what minimum lateral clearance applies both within and…
You are driving a lorry with a maximum authorised mass of more than 3,500 kg on a road outside a built-up area that has three lanes in each…
An ordinary lorry and an animal-drawn cart arrive simultaneously at a narrow passage where they cannot pass each other and one must…
In 2026, a lorry registered in Spain is immobilised by a breakdown on a one-way urban road. How should the danger be signalled?
Can the load and the accessories used for fitting and protecting it be positioned in a way that hides the vehicle's signalling and lighting…
If the driver of a vehicle is going to move sideways, encroaching on another lane…
In the absence of signage, what is the maximum speed permitted for a rigid four-axle lorry travelling on a dual carriageway within a…
A lorry longer than ten metres does not signal an intention to overtake. Besides enough distance to stop without collision, in which case…
At a yield sign with a C1 or C truck, you must:
You are driving a lorry and do not intend to overtake the vehicle ahead. What minimum gap does this sign indicate?
A breakdown forces your vehicle to stop in a tunnel and it cannot continue. There is no fire and this is not a traffic queue. What should…
Can two lorries that require special authorisation to travel cross each other on a bridge if the width of the carriageway is less than 6…
If you drive a lorry weighing 7,000 kg MAM along a carriageway outside a built-up area with two-way traffic and three lanes in each…
Cones on the carriageway…
Roadworks require a lane to be opened against its usual direction. Your lorry is authorised on that road, there is no express prohibition…
A lorry carrying no dangerous goods and performing no special transport travels on a conventional road outside a built-up area, with one…
You drive a lorry with a MAM of 7,500 kg on a built-up-area road that is neither a motorway nor a dual carriageway, with three lanes in…
When should the driver of a vehicle give visual warning signals?
An ordinary rigid lorry and a motor caravan arrive simultaneously at an unsigned narrowing and cannot pass each other. There are no…
In 2026, a Spanish-registered lorry with MAM of 7,500 kg becomes immobilised by a breakdown on a dual carriageway shoulder. How must the…
If you are driving a lorry with a maximum authorised mass (MAM) of more than 11,000 kilograms and you notice that you are about to be…
If the vehicle in front has its right indicator on, but the driver signals with their arm that they are going to turn left, which signal…
You are travelling on a dual carriageway in very adverse weather and environmental conditions. How should you choose your speed when…
At a STOP sign with a C1 or C truck, you must:
What is the purpose of the thermometer?
What does this sign indicate?
Which circumstance, by itself, is NOT an exception permitting overtaking on the right?
Which vehicles are prohibited by this R-106 sign without a mass figure?
Clearance lights are fitted to lorries when their width generally exceeds 2.10 metres, but... how many lights do they consist of?
A lorry and a vehicle combination must pass each other at a narrowing with no priority signs, steep gradient or instructions from officers…
If you are driving a lorry of more than 3,500 kg MAM on a road outside a built-up area that has three lanes in the same direction, which…
A lorry travels in a normal lane, without congestion making each vehicle’s speed depend on the one ahead in its lane. Under the rule for…
Under the maximum-speed rule outside built-up areas for special vehicles, which statement is correct, subject to any applicable lower…
A lorry over 10 metres in total length including its load travels without signalling an intention to overtake and outside a tunnel. With…
On an urban road with at least two lanes per direction excluding reserved lanes, no shared carriageway/pavement platform and no specific…
A lorry not carrying dangerous goods travels on a paved conventional road outside a built-up area. Without a justified reason requiring a…