Hail General Dept. of Traffic Truck & Bus
Timed mock exam· Full mock examsHail General Dept. of Traffic - Saudi Truck & Bus Theory Mock Test 3
Third full heavy-vehicle mock exam and a strong final readiness check before your real truck or bus theory test. Another distinct set of 35 timed questions.
In which of the following situations is overtaking strictly forbidden?
The other 25 questions in this test
Read them all. The answer and the reason for each, and the timed 35-question run, are in the Saudi Driving Theory Online Practice Bank.
- Q11Penalties and fines
A driver in Saudi Arabia is found to have modified their vehicle's suspension, raising it to an illegal height. Is this a traffic offence?
- ANo, suspension modifications are a personal choice and are not regulated
- BYes, illegal vehicle modifications that affect safety or compliance with traffic regulations are a fineable offence and the modification must be reversed
- COnly an offence if the modification was done outside Saudi Arabia
- DPermitted as long as the vehicle can still pass through a standard car-wash
Answer and explanation in the bank
- Q12Heavy vehicle
During a pre-trip brake check on a truck with air brakes, the driver builds pressure to maximum, turns off the engine, and observes the gauges. If the pressure drops more than approximately 10 psi in one minute, what does this indicate?
- AThere is a significant air leak in the braking system that must be located and repaired before the vehicle is driven
- BThe air dryer is working correctly and removing moisture from the system
- CThe pressure drop is normal and the vehicle is safe to drive
- DThe spring brakes need adjusting at the next scheduled service
Answer and explanation in the bank
- Q13Road signs and signals
What does a warning sign showing a vehicle on a steep slope indicate?
- AA steep downhill or uphill gradient ahead
- BHeavy vehicles are prohibited from this road
- CA truck loading bay is on the left
- DRoad works with heavy vehicles present
Answer and explanation in the bank
- Q14Traffic rules
A sandstorm is rapidly reducing visibility on a Saudi desert highway. What is the correct response?
- AReduce speed drastically, turn on headlights and hazard lights, and if safe pull completely off the road
- BSpeed up to pass through the sandstorm quickly
- CStop immediately in your lane and wait
- DTurn off all lights because they reflect sand particles and reduce your own vision
Answer and explanation in the bank
- Q15Right of way
You want to change from the right lane to the middle lane on a motorway. A vehicle in the middle lane is overtaking you at speed. What should you do?
- AWait until the overtaking vehicle has passed before moving
- BMove into the middle lane because you were there first
- CSpeed up so the overtaking vehicle must hold back
- DSound your horn and move left to block the overtaking vehicle
Answer and explanation in the bank
- Q16Safe driving
What is the main environmental benefit of eco-driving (smooth acceleration and early gear changes)?
- AIt increases engine wear and therefore generates repair work
- BIt reduces fuel consumption and exhaust emissions while also reducing brake wear
- CIt allows higher top speeds
- DIt only helps automatic transmission vehicles
Answer and explanation in the bank
- Q17Penalties and fines
A driver fails to stop at a STOP sign in Saudi Arabia. What is the consequence?
- ANo offence, provided the driver slowed down and checked for traffic
- BA traffic fine for disobeying a STOP sign, and violation points on the licence
- CA warning for the first offence; a fine only applies from the second offence
- DThe offence is not enforced if no other vehicles were nearby
Answer and explanation in the bank
- Q18Heavy vehicle
What should a heavy truck driver check regarding lights and reflectors during a pre-trip inspection?
- AOnly the headlamps and brake lights need checking; marker lights are optional on trailers
- BLights only need checking at night or in bad weather
- CAll headlamps, indicators, brake lights, reverse lights, and reflective markers on the vehicle and trailer must be clean, undamaged, and functioning
- DOnly lights visible from the front of the vehicle are required by law
Answer and explanation in the bank
- Q19Road signs and signals
A warning sign shows two arrows pointing at each other from opposite directions. What hazard does this warn of?
- AA head-on collision occurred here recently
- BRoad narrows to a single lane with priority to oncoming traffic
- CTwo-way traffic ahead after a one-way section
- DOvertaking is permitted from both directions
Answer and explanation in the bank
- Q20Traffic rules
You pull off a desert highway during a sandstorm and stop. What is the most important thing to do to avoid another vehicle striking yours?
- AMove the vehicle as far from the roadway as possible and keep all exterior lights on
- BTurn off all lights to save battery
- CStay in the vehicle with the engine off and lights off
- DStand outside and wave down other traffic
Answer and explanation in the bank
- Q21Right of way
You reach a STOP sign but can clearly see the road is empty in both directions. Must you still stop completely?
- ANo; you may proceed at reduced speed if the road is obviously clear
- BOnly if there is a white stop line on the road
- CYes; a STOP sign always requires a complete stop regardless of visibility
- DYou may slow to 10 km/h instead of stopping if conditions permit
Answer and explanation in the bank
- Q22Safe driving
To save fuel on a long Saudi highway drive, which speed range is typically most efficient for a modern petrol car?
- AAbove 160 km/h
- BBelow 50 km/h
- CBetween 90 and 110 km/h
- DFuel consumption is the same at all speeds
Answer and explanation in the bank
- Q23Penalties and fines
A driver who was previously involved in a tafheet (drifting) incident has their vehicle permanently confiscated by Saudi authorities. Can the vehicle be recovered by paying a fee?
- AYes, any impounded vehicle can always be recovered by paying the full market value as a fine
- BYes, after a 90-day waiting period the owner can collect the vehicle on payment of storage fees
- CNo, in cases of permanent confiscation ordered by a court for tafheet, the vehicle cannot be recovered; it is forfeited to the state
- DYes, if this was the driver's first offence the vehicle is returned after one month
Answer and explanation in the bank
- Q24Heavy vehicle
A driver carries out a pre-trip inspection and finds that one of the dual rear tyres is flat while its twin appears correctly inflated. What action must be taken?
- ADrive carefully to the nearest tyre workshop at reduced speed, as the good tyre can handle the load for short distances
- BInflate the flat tyre to double the normal pressure to compensate, then drive to the next stop
- CReplace or repair the flat tyre before moving the vehicle; operating on a single tyre in a dual fitment overloads the remaining tyre and can cause its sudden failure at speed
- DIt is acceptable to drive on a single tyre in a dual fitment as long as the vehicle is not fully loaded
Answer and explanation in the bank
- Q25Road signs and signals
A warning sign shows two arrows converging from the sides into one lane. What does this warn of?
- ATwo roads meet at a junction and you have priority
- BOvertaking must stop immediately
- CA toll booth is ahead requiring a single lane
- DThe road narrows or lanes merge ahead
Answer and explanation in the bank
- Q26Traffic rules
Driving in a desert environment at dusk, why is it particularly important to scan the road ahead carefully?
- ASand dunes appear suddenly on the road after midday
- BCamels and other animals are commonly found on desert roads and are very hard to see in low light
- CThe speed limit doubles at dusk in desert zones
- DRoad markings disappear at dusk in sandy conditions
Answer and explanation in the bank
- Q27Right of way
All four traffic signals at a crossroads have failed and show nothing. Four vehicles arrive simultaneously. How should they proceed?
- AThe vehicle on the widest road goes first
- BEach driver applies right-hand priority in turn, treating it as an unmarked junction
- CAll four vehicles must wait until a police officer arrives
- DThe vehicle that arrived first has absolute priority
Answer and explanation in the bank
- Q28Safe driving
Correct tyre pressure improves fuel economy. Which direction does under-inflation affect fuel consumption?
- AUnder-inflated tyres reduce rolling resistance and improve fuel economy
- BTyre pressure has no measurable effect on fuel consumption
- CUnder-inflated tyres increase rolling resistance and increase fuel consumption
- DUnder-inflation only affects fuel economy on gravel roads
Answer and explanation in the bank
- Q29Penalties and fines
A driver receives a traffic fine via the Saher system but believes the fine was issued incorrectly. What is the proper process to challenge it?
- ASimply ignore the fine; Saher fines automatically expire if not paid within six months
- BAttend the nearest traffic police station and argue the case verbally without any documentation
- CFile a formal appeal through Absher or the General Department of Traffic (Moroor) within the permitted appeal period
- DPay the fine immediately and then sue Moroor in civil court for a refund
Answer and explanation in the bank
- Q30Heavy vehicle
Saudi Arabia requires heavy truck and bus drivers to observe mandatory rest periods to prevent fatigue. What is the general principle regarding continuous driving time before a rest break?
- ADrivers must stop and rest at regular intervals during long trips and never drive while tired
- BDrivers may drive continuously for 24 hours as long as they feel alert
- CRest breaks are only required for night driving
- DFatigue rules apply only to drivers carrying passengers, not freight drivers
Answer and explanation in the bank
- Q31Road signs and signals
What category does a sign belong to when it shows a walking person inside a blue circle?
- AWarning - pedestrians may be on the road
- BProhibition - pedestrians are not allowed here
- CInformational - pedestrian route nearby
- DMandatory instruction - pedestrians must use this path
Answer and explanation in the bank
- Q32Traffic rules
On a road posted at 120 km/h or less, from what speed above the limit does a speeding fine start?
- AMore than 5 km/h over
- BMore than 30 km/h over
- CMore than 10 km/h over (SR 150-300 for 10-20 km/h over)
- DAny speed above the limit, at a flat SR 1,000
Answer and explanation in the bank
- Q33Right of way
You are waiting at a level crossing when you hear a second train coming after the first has passed. The barriers remain down. What must you do?
- AProceed as soon as the first train has cleared the crossing
- BCheck both directions and cross quickly between trains
- CSound your horn to alert the second train and proceed
- DWait until the barriers rise and it is fully safe before crossing
Answer and explanation in the bank
- Q34Safe driving
What is the recommended headway increase when driving in a heavy rainstorm in Saudi Arabia compared to dry conditions?
- ANo change is needed if the wipers are on
- BReduce following distance to stay closer and see the road through the vehicle ahead
- CDouble the dry-road following distance to at least 4 to 6 seconds
- DAdd only half a second to the normal gap
Answer and explanation in the bank
- Q35Penalties and fines
A driver in Saudi Arabia uses their vehicle's horn repeatedly and aggressively in a residential area late at night. Which regulation does this potentially breach?
- ANoise pollution rules, which prohibit unnecessary use of a horn especially in residential areas and during night hours
- BNo regulation; horn use is always permitted for any reason
- COnly a breach if the vehicle also has a modified exhaust
- DOnly relevant if a formal complaint is filed by a resident; police cannot act without a complaint
Answer and explanation in the bank
Every answer above, with the rule it comes from, plus the full 35-question timed test.
Get the Saudi Driving Theory Online Practice Bank - SAR 39What this test covers
Topics include road signs, traffic signals, right of way, roundabouts, speed limits, seat belts, fines and penalties, and the safe-driving rules specific to your vehicle category. Full question-by-question feedback with explanations is shown immediately after you finish the test above.
Frequently asked questions
How many questions is the Hail General Dept. of Traffic truck & bus theory test?
The official General Dept. of Traffic truck & bus theory test in Hail has 35 questions and you need 22 correct (63%) to pass. This practice test has 35 questions.
Is this the real exam?
These are practice questions to help you revise, written to the published rules and to what candidates report from the real test. They are not the official Saudi exam and the real question bank, format, fees and pass mark are set by the General Department of Traffic (Moroor) and the driving schools, and can change. Always confirm the current requirements with your driving school or the traffic department.
Is this practice test free?
The first 10 questions are free, with no signup, and each shows the answer and the reason. The full 35-question test, timed, is in the Saudi Driving Theory Online Practice Bank (SAR 39, one payment), with every question in the bank.
What does the Hail truck & bus theory test cover?
Road signs, traffic signals, right of way, roundabouts, speed limits, seat belts, penalties and safe-driving rules, plus the handling and safety topics specific to your vehicle.