DGT C licence questions: Goods transport rules

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Question index View topic Practise Goods transport rules

Which behaviour increases crash risk when driving a lorry, even without exceeding the permitted maximum speed?
The truck you are driving is 2 metres wide. What lights must it carry due to its width?
The C1 licence authorizes automobiles whose MAM:
If you have consumed a large amount of alcohol and wish to drive, what should you do?
A cage vehicle is one that is intended for the transport of...
Which behaviour increases crash risk when driving a lorry, even without exceeding the permitted maximum speed?
Is the driver's sex one of the factors that can influence blood alcohol concentration?
The C1 licence authorizes you to drive trucks whose maximum authorized mass:
Are lorries required to have a rear fog light fitted?
Must a complete lorry, rather than a chassis-cab, have side marker lights?
Without special-transport authorisation, which vehicle superstructure does the dimensions table allow to be 2.60 metres wide?
On a motorway outside a built-up area, with no lower specific limit, what is the general maximum speed for a lorry?
In case of suffering from an illness, must the driver of a vehicle ask the doctor about the precautions that should be taken for driving?
An 11-metre lorry follows another vehicle without signalling an intention to overtake. In which situation must it leave at least 50 metres…
An ordinary lorry not carrying dangerous goods travels on a motorway outside a built-up area. With no lower sign or other restriction, what…
Driving at high speed for a long time…
Before a C1 or C practical test, the examiner requests the applicant’s required identification documents and the applicant does not present…
Must a complete lorry, rather than a chassis-cab, have side marker lights?
An ordinary lorry, not performing special transport or carrying dangerous goods, travels on a road reserved for motor vehicles outside a…
Within the maximum speed limits, is it possible that we are travelling at an inappropriate speed?
When the width of the lorry is greater than 2.10 metres, what are the lights indicating this called?
According to DGT, approximately how long can LSD-induced impairment last?
The chest strap of the seat belt must pass over…
What is the general maximum width of an ordinary lorry, without a temperature-controlled-body exception or special authorisation?
In road engineering, what is the project or design speed of a road section?
With a C licence, the vehicle may tow:
During the knowledge test for the C1 and C licences, what happens if the applicant uses a mobile phone to receive unauthorised help?
In a lorry, is the rear fog light mandatory?
In Spain, on a conventional road outside a built-up area reserved for the automóvil vehicle category by this S-3, what is the general…
A lorry not carrying dangerous goods travels on a dual carriageway outside a built-up area, with no lower specific limit. What is its…
Classes C1 and C apply to vehicles:
An adult drives a goods vehicle with a MAM exceeding 3,500 kg. Under RGC Article 20, what breath alcohol level must the driver not exceed?
If a man and a woman of the same weight consume the same amount of alcohol, is the driver's sex one of the factors that can influence the…
Before descending a mountain pass in a lorry, how should the gear be selected to help control speed?
In the knowledge tests for the C1 and C licences, the official questions may have:
Without a justified reason, in which case is the regulatory minimum speed applicable to the vehicle and road breached?
In a lorry with a manual gearbox that permits direct selection of a higher gear, may an intermediate gear be skipped for efficient driving…
As a general rule, the C1 licence authorizes motor vehicles whose MAM does not exceed:
In goods transport, the required documentation must:
An adult drives a goods vehicle with a MAM exceeding 3,500 kg. Under RGC Article 20, what breath alcohol level must the driver not exceed?
Before driving, is it advisable to take a medicine on your own without checking its warnings or seeking advice about possible effects on…
Passive safety elements are:
What driving behaviour can cocaine use promote?
A lorry is exactly two metres wide. Regarding position and end-outline marker lamps, which equipment is mandatory at that width?
Which set of reasons does Article 37 provide for the competent authority to order a different direction of travel?
With a C1 licence, the base vehicle may tow:
According to Table 50 of the DGT 2024 Annual Road-Collision Report, for urban and interurban roads excluding Catalonia and the Basque…
As a general rule, the minimum age to obtain the C licence is:
In road traffic, we call vulnerable groups the...
Vehicles authorized by C1 or C are generally designed to carry:
Which situation is expressly included in Article 91(2) as stopping or parking in a dangerous location or seriously obstructing traffic?
Drowsiness makes…
In which of these situations must a car leave a motorway or dual carriageway at the first exit?
To improve the safety of occupants in the event of an accident, a device called an airbag has been fitted to vehicles. What does it consist…
An ordinary lorry uses a road reserved for motor vehicles that is neither a motorway nor a dual carriageway, with a general lorry limit of…
On a motorway outside a built-up area, with no lower specific limit, what is the general maximum speed for a lorry?
A lorry travels on a dual carriageway outside a built-up area, without carrying dangerous goods or performing another special transport…
On an urban road with usable pavements or pedestrian areas, where should pedestrians normally walk?
For a C1 or C licence to be issued, the applicant must already hold:
For complete lorries, excluding chassis cabs, when are side position lights compulsory because of length?
One of the possibilities covered by the C1+E licence is driving:
According to the DGT’s September 2021 release on distractions and deaths in 2020, how is the increase in crash risk from using a mobile…
In a car, the airbag, as a passive safety system…
May an ordinary lorry driver hold a telephone conversation while driving without using their hands, audio headsets or earphones?
In the DGT Road Safety manual’s general analysis, which factor contributes most to crashes: human, vehicle or road?
What is the main function of a conventional fuse in a vehicle’s electrical circuit?
Does speed affect the driver's field of vision?
After drinking alcohol, does eating food or drinking water rapidly remove alcohol already in the blood so that you can drive?
What is the function of fuses in the electrical circuit?
What is the name given to the set of mechanisms that regulate the intake and exhaust of gases in the cylinders?
If an exam center outside the provincial capital stops meeting the required conditions for the C1 and C licences:
The C1 licence authorizes trucks whose MAM:
On a conventional road outside a built-up area where voluntary stopping is permitted and there is no emergency, where should you position…
What is the purpose of fuses?
The duration of the stop must be less than...
What is blood alcohol concentration?
As the base time, without extensions for videos or duly justified special needs, how much time is allowed per question in the C1 or C…
According to the WHO road traffic injuries fact sheet updated in July 2026, for which age group are these injuries the leading cause of…
If applying the 10% permitted-error threshold in the C1 or C specific knowledge test produces a decimal result:
During the practical tests for the C1 and C licences, the use of phones or other data-transmission systems:
If the lorry you are driving is more than 2.10 metres wide, you should know that its clearance lights are...
In a lorry, is it advisable to place a GPS holder in front of an airbag or within its deployment zone?
If the vehicle or required systems for a C1 or C practical test do not function correctly or meet the requirements, what does the examiner…
Windscreen wiper blades should be replaced...
Under the wording of Annex VI.A.2 of the General Driver Regulations, after two unsuccessful attempts, what minimum interval is specified…
A driver takes medication that can cause drowsiness and reduce reflexes. How can it affect reaction time?
Can excessive temperature in a vehicle's cabin increase the driver's reaction time?
Which substances can reduce alertness and reflexes and cause drowsiness, effects that alcohol can also cause?
For a C1 or C licence to be issued, the applicant must already have:
During C1 or C practical aptitude-and-behaviour tests, which documents may an applicant be required to present for identification, as…
A lorry has aerodynamic air deflectors designed for its configuration and correctly adjusted. Can they help reduce fuel consumption?
What effects does drinking alcoholic beverages produce, even in small amounts?
The ordinary validity period of professional C1 and C licences is:
Public transport by road is defined as...
The clearance lights on a lorry must be...
An ordinary tractor unit travels on a dual carriageway outside a built-up area, with no special or dangerous-goods transport and no lower…
If you consume a large amount of alcohol and wish to drive, what should you do?
A lorry uses a roof deflector suited to the combination, correctly designed and adjusted. Can it help reduce fuel consumption?
Under the Spanish legal traffic definition, what is a voluntary stop (parada)?
When setting a specific speed limit for a road section, which set of factors should be considered?