C licence questions
CGoods transport rules·150 questions
Goods transport rules questions — C licence
150 exam-style Goods transport rules questions for the C licence with correct answer and explanation. Practice free, no signup.
- 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 to help following vehicles overtake, in addition to enough distance to stop without a collision?
- An ordinary lorry not carrying dangerous goods travels on a motorway outside a built-up area. With no lower sign or other restriction, what is its general speed limit?
- 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 them. What happens under Annex VI of the General Driver Regulations?
- 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 built-up area. With no justified reason to travel more slowly, below what general speed does Article 49 prohibit travelling?
- 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 maximum speed for a lorry if no lower limit applies?
- A lorry not carrying dangerous goods travels on a dual carriageway outside a built-up area, with no lower specific limit. What is its general maximum speed?
- 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 blood alcohol level?
- 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 when the terrain is favourable and the engine can properly drive the vehicle in the selected gear?
- 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 driving?
- 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 Country, which has the highest published percentage in fatal collisions among distraction, alcohol and inappropriate speed?
- 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 of?
- 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 80 km/h. Without a justified reason to go slower, what is its general minimum speed?
- 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 operation and with no lower specific limit. What is its general maximum speed?
- 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 phone while driving expressed?
- 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 the vehicle to stop?
- 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 specific knowledge test?
- According to the WHO road traffic injuries fact sheet updated in July 2026, for which age group are these injuries the leading cause of death worldwide?
- 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 decide?
- 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 between the second and third, except for a justified exceptional reduction?
- 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 applicable?
- 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 specific limit. What is its general maximum speed?
- 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?
- On long lorry journeys, what helps reduce the risk of fatigue?
- According to their own nature, road transport can be classified into:
- With a truck, height, width, or mass limits must:
- On a vehicle whose rev counter includes a green zone for economical driving, what does that zone represent?
- Which situation can particularly favour fatigue from monotony?
- Speed limits when driving a C1 or C truck:
- What should professional drivers bear in mind about alcohol?
- You are replacing the halogen dipped-beam bulb shown, following the manufacturer’s instructions. What precaution must you take when holding it?
- An ordinary 5,000 kg MAM lorry travels on an interurban dual carriageway with no reason justifying travel below the minimum. Below what speed would it breach the general minimum-speed rule?
- When should you replace a lorry’s windscreen-wiper blades?
- The lorry you are driving is 2 metres wide. Which lights must it carry because of its width?
- Can using drugs of abuse increase the risk of a serious road crash even without combining them with alcohol?
- On an ordinary complete-bodied lorry wider than 2.10 metres, are end-outline marker lights compulsory?
- Can the edge line of the carriageway be crossed?
- Without a justified reason, in which case is the regulatory minimum speed applicable to the vehicle and road breached?
- Under what conditions must you switch on a lorry’s rear fog light when it is fitted?
- On a two-way urban road where stopping or parking is permitted and you must use the carriageway or shoulder, on which side should you position the vehicle?
- Can the edge line of the carriageway be crossed?
- You are replacing the halogen dipped-beam bulb shown, following the manufacturer’s instructions. What precaution must you take when holding it?
- The general minimum age for the C licence may be lowered to 18 when the applicant:
- When replacing a blown fuse in a lorry, what specification must you follow?
- The manufacturer allows replacement of a halogen dipped-beam bulb. With the lights switched off and the bulb cool, what handling precaution should be taken?
- Before or during the practical tests for the C1 and C licences, examiners may check whether the vehicle:
- On a lorry, is the rear fog light compulsory?
- With moisture and temperatures near or below 0°C, which areas require particular caution for possible ice?
- What effects does consuming alcoholic drinks, even in small quantities, have?
- Which behaviour increases crash risk when driving a lorry, even without exceeding the permitted maximum speed?
- On an ordinary lorry, excluding the exception for red side lights integrated with a rear device, what are the colours of front, side and rear position lights?
- According to the national 2024 urban crash data presented by the DGT on 8 August 2025, which crash type caused the most fatalities?
- On an ordinary lorry, excluding the exception for red side lights integrated with a rear device, what are the colours of front, side and rear position lights?
- Should you check the windscreen-washer fluid regularly?
- Is it prohibited to throw any object that could cause a fire or endanger road safety?
- A lorry equipped with main-beam headlights travels at night above 40 km/h, outside a built-up area on an insufficiently lit road. It is not in a tunnel and there is no risk of glare. Which lighting must it use?
- If you are driving a truck and a traffic officer is directing traffic, you must:
- Under what conditions must you switch on a lorry’s rear fog light when it is fitted?
- Under the wording of Annex VI.A.2 of the General Driver Regulations, what minimum interval is specified between successive attempts after the third, except for a justified exceptional reduction?
- Without an emergency or a traffic officer’s instruction, you wish to make a voluntary stop on a two-way interurban road. May you choose the left side to use the phone or programme the navigation system?
- A lorry equipped with main-beam headlights travels at night above 40 km/h, outside a built-up area on an insufficiently lit road. It is not in a tunnel and there is no risk of glare. Which lighting must it use?
- Must a driver undergoing medical treatment take any special precaution?
- Under the General Driver Regulations, what percentage calculates the maximum permitted errors in the C1 or C specific knowledge test, with prescribed rounding if the result is fractional?
- The C1 licence applies to vehicles whose maximum authorized mass is:
- In duly justified special cases, the time for the knowledge tests for the C1 and C licences:
- The tests for the C1 and C licences are normally taken in:
- For headlamps allowing vertical and horizontal adjustment, what does aiming them involve?
- Between the two attempts of the same the C1 and C licences application there should normally be no more than:
- The general minimum age to obtain the C licence is 21, although it may be obtained at 18 if:
- Someone applying for the C licence who already holds C1 is exempt from:
- Obtaining the C licence also grants:
- On the date of the first practical-test attempt for the C1 and C licences, the applicant must:
- On a conventional road outside a built-up area where voluntary stopping is permitted and there is no emergency, where should you position the vehicle to stop?
How to ace the goods transport rules questions on the C licence
Goods transport rules questions are usually among the highest-failure areas in the C licence exam. Each of the 150 exam-style questions here includes the options, the correct answer and an explanation of why it's correct.
The most effective way to master this topic is to alternate syllabus reading with question practice. Start by reading the full topic, then click into any question to study it in detail. Failed questions enter the smart-review queue until you master them.
Frequently asked questions about goods transport rules on the C licence
- How many goods transport rules questions are in the C licence question bank?
- Our exam-style question bank includes 150 goods transport rules questions for the C licence. Each comes with the correct answer and explanation.
- How should I study goods transport rules for the C licence exam?
- The C test has 20 questions. Use this bank to practise goods transport rules with explanations, and combine topic review with full mock exams.
- What are the most common goods transport rules mistakes?
- Three typical causes: 1) misreading prompts with decisive keywords ("always", "never", "except", "only", "at least") — they flip the correct answer; 2) switching correct answers in the final review due to self-induced doubt; 3) studying only by topic without full simulations, which penalises block-switching speed.
- How should I practise goods transport rules to prepare for the C licence?
- Alternate three modes: first study the full topic syllabus; then practise the 150 exam-style goods transport rules questions until you understand the logic of each; finally launch full C-licence simulations (20 questions, max 2 wrong) to train block-switching under pressure.