Luxembourg Driving Theory Test (SNCA)

At an intersection without traffic lights, priority signs, or police officers, which vehicle has the right-of-way under the Luxembourg Code de la Route?

• AThe vehicle traveling on the wider road
• BThe vehicle traveling at higher speed
• CThe vehicle that arrived at the intersection first
• DThe vehicle approaching from the right

Under what circumstance does a vehicle approaching from the right NOT have priority under Luxembourg traffic regulations?

• AWhen the vehicle on the right is a small passenger car
• BWhen the vehicle on the right is emerging from a dirt track, private driveway, or car park
• CWhen the vehicle on the right is turning right instead of going straight
• DWhen the vehicle on the right is driving below the posted speed limit

What is the legal obligation when approaching traffic sign B,1 (an inverted white triangle with a red border)?

• AYou must come to a complete standstill in all circumstances before entering the intersect…
• BYou have priority over oncoming traffic but must yield to vehicles on the right
• CYou must give way to traffic on the intersecting road, stopping only if necessary
• DYou must accelerate to merge ahead of crossing traffic

What must a driver do when facing sign B,2a (octagonal red sign with white 'STOP' lettering)?

• ASlow down to walking pace and proceed if the intersection is clear
• BGive way only to vehicles approaching from the right side
• CStop only if another vehicle is approaching within 50 meters
• DBring the vehicle to a complete stop at the stop line, or at the edge of the roadway if t…

What is the meaning of road sign B,3 (a yellow square inside a white diamond)?

• APriority road: you have right-of-way at subsequent intersections until an end-of-priority…
• BPriority to the right resumes at the next intersection
• CCaution: dangerous intersection with traffic coming from the left
• DSingle-lane road ahead: priority over oncoming traffic

When driving past sign B,4 (a yellow square in a white diamond crossed by diagonal black stripes), what rule governs subsequent intersections?

• AYou automatically have priority at the next three intersections
• BThe priority road ends, and default priority to the right applies at subsequent intersect…
• CAll cross-traffic must yield to you until you enter a built-up area
• DYou must stop before entering any following intersection

When entering a roundabout (intersection à sens giratoire) indicated by sign D,3 and sign B,1, who has priority?

• AVehicles entering the roundabout have priority over circulating vehicles
• BThe vehicle traveling at higher speed has priority
• CVehicles already circulating inside the roundabout have priority over entering vehicles
• DEntering traffic always has priority to the right

What is the correct use of direction indicators when navigating a standard single-lane roundabout in Luxembourg?

• ASignal left before entering, keep signaling left in the roundabout, and never signal when…
• BSignal right before entering the roundabout even if taking the third exit
• CKeep the hazard warning lights flashing continuously while circulating
• DDo not signal when entering, and activate the right indicator immediately after passing t…

What does the zipper merge principle (principe de la tirette) require when a traffic lane is ending due to roadworks or an obstruction in slow-moving traffic?

• ADrivers in the ending lane must immediately stop and wait until the continuing lane is co…
• BDrivers in the ending lane must proceed to the very point of lane reduction, and drivers…
• CDrivers in the continuing lane have absolute right-of-way and are forbidden from letting…
• DDrivers must race to overtake as many cars as possible before changing lanes

What sanction applies in Luxembourg if a driver fails to respect the mandatory zipper merge principle (principe de la tirette)?

• AA verbal warning without financial penalty
• BDeduction of 6 points from the driving licence
• CAn immediate suspension of the driving licence for 6 months
• DA taxed warning (avertissement taxé) of €74

How must drivers form an emergency rescue corridor (couloir de secours) on a motorway with two lanes in each direction during heavy congestion?

• AAll vehicles must move entirely onto the hard shoulder on the right
• BAll vehicles stop in the middle of their lanes and turn on hazard warning lights
• CVehicles in the left lane move as far left as possible, while vehicles in the right lane…
• DVehicles in both lanes move to the left side of the motorway

On a motorway with three or more lanes in the same direction, where must the emergency rescue corridor (couloir de secours) be created during a traffic jam?

• ABetween the rightmost lane and the hard shoulder
• BBetween the leftmost lane and the lane immediately to its right
• CDown the middle of the center lane
• DBetween the center lane and the rightmost lane

What is the rule regarding private motor vehicles driving on the Luxtram tramway platform indicated by sign D,11 in Luxembourg?

• APrivate cars may use the tram tracks to overtake slow-moving traffic at any time
• BCars carrying three or more passengers are permitted to use the tramway platform
• CCars may drive on the tracks during nighttime between 22:00 and 06:00
• DDriving, stopping, or parking on the reserved tramway platform is strictly prohibited for…

Inside a built-up area, a bus stopped at a signed bus stop switches on its indicator to pull back into traffic. What does the Luxembourg Code de la Route require of approaching drivers?

• AKeep going, because the bus is re-entering moving traffic and must wait for a gap
• BSound the horn to warn the bus driver before overtaking it
• CSlow down and, if necessary, stop so that the bus can pull out
• DOvertake the bus immediately before it moves into the lane

What do the special white light signals for regular public transport vehicles (such as Luxtram) signify?

• AA horizontal white bar means stop; a vertical white bar means proceed straight
• BA white circle means proceed; a white cross means stop
• CA horizontal bar means proceed; a vertical bar means stop
• DThey apply equally to all private passenger cars

An intersection has both working traffic lights and a B,1 'Give Way' sign on your approach. Your light is green. Which instruction governs your priority?

• AThe B,1 sign, because permanent signs always prevail over lights
• BThe traffic light, because coloured light signals take precedence over priority signs whi…
• CPriority to the right, because the two signals cancel each other out
• DWhichever instruction is more restrictive, so you must give way and stop

A police officer directing traffic holds one or both arms extended horizontally, and you are approaching from the officer's front (your direction crosses the line of the arms). What must you do?

• AProceed with caution if no other vehicles are approaching
• BSound your horn to ask for permission to cross
• CTurn right immediately without stopping
• DStop, because the gesture means a stop for all users coming from a direction that crosses…

A police officer directing traffic holds the left arm extended horizontally with the right arm bent at a right angle. What does this gesture mean under the Luxembourg Code de la Route?

• AMandatory stop for all directions
• BOnly public transport vehicles may proceed
• CTraffic may start moving in the direction that is open
• DTraffic must turn around and take an alternate route

A police officer directing traffic raises an arm vertically. What is the meaning of this gesture?

• AStop for all users, except those already inside the intersection, who must clear it
• BTraffic approaching from the right side may accelerate
• CPedestrians are prohibited from crossing anywhere in town
• DDrivers may increase their speed to clear the intersection quickly

You are turning left at an intersection controlled by green traffic lights without a dedicated left-turn arrow. What must you do before turning?

• ATurn immediately because a green circle gives you unconditional priority over everyone
• BWait behind the stop line until the light turns red and changes again
• CSound your horn and complete the turn before oncoming traffic reaches you
• DAdvance into the intersection and yield to oncoming vehicles traveling straight or turnin…

On a narrow road, you face sign B,5 (a circular sign with a red border containing a red arrow pointing up and a black arrow pointing down). What does this sign require?

• AYou have priority over oncoming vehicles
• BYou must give way to oncoming vehicles approaching from the opposite direction
• CYou must turn around because the road is closed
• DTwo-way traffic is prohibited

Under what circumstance is overtaking on the right side legally permitted in Luxembourg?

• AWhenever the vehicle in front is driving below the maximum speed limit
• BWhenever you are driving on a motorway with less than three lanes
• CWhen the driver ahead has clearly signaled their intention to turn left and has moved to…
• DOvertaking on the right is never permitted under any circumstance

Before executing a lane change on a multi-lane carriageway, what sequence of safety checks must you perform?

• ASignal immediately, steer into the new lane, and then look in the rearview mirror
• BCheck only the interior rearview mirror; side mirrors are unnecessary for lane changes
• CSound the horn, accelerate rapidly, and switch lanes without signaling
• DCheck interior and exterior mirrors, perform a direct shoulder check into the blind spot…

What does a flashing yellow or amber traffic light (feu jaune clignotant) at an intersection indicate?

• AThe traffic lights are out of service or in standby; drivers must proceed with caution, r…
• BDrivers must stop immediately and wait until the light turns solid green
• CAll approaching traffic must make a U-turn
• DThe road is closed to private motor vehicles

At a traffic signal showing a solid red light and a simultaneous green arrow pointing to the right, what are you permitted to do?

• AYou must remain stopped behind the line until the main light turns green
• BYou have absolute priority over all other road users when turning right
• CYou may turn right in the direction of the green arrow, but you must yield to pedestrians…
• DYou may proceed straight ahead or turn right

What is the general statutory maximum speed limit for passenger cars within a built-up area (en agglomération) in Luxembourg?

• A30 km/h
• B50 km/h
• C60 km/h
• D70 km/h

What is the general statutory speed limit for passenger cars on open roads outside built-up areas (hors agglomération) in Luxembourg?

• A70 km/h
• B80 km/h
• C90 km/h
• D100 km/h

What is the general maximum speed limit on motorways (autoroutes) in Luxembourg under normal dry weather conditions?

• A110 km/h
• B120 km/h
• C130 km/h
• D140 km/h

When it is raining or precipitating on a motorway in Luxembourg, what is the mandatory maximum speed limit?

• AIt remains unchanged at 130 km/h unless a dynamic overhead sign displays otherwise
• BIt is automatically reduced to 110 km/h
• CIt is reduced to 90 km/h
• DIt is reduced to 70 km/h

Unless signs show otherwise, what is the maximum speed for a passenger car in a motorway tunnel signed as such in Luxembourg, in dry weather?

• A90 km/h
• B110 km/h
• C130 km/h
• D70 km/h

It is raining on a Luxembourg motorway. A driver with no previous speeding offences is recorded at 150 km/h after the measurement tolerance has been deducted. Which sanction applies?

• ANo offence, because 150 km/h is within 25 km/h of the 130 km/h motorway limit
• BA €49 taxed warning without loss of points
• CA €145 taxed warning and a 2-point deduction
• DProsecution for the délit de grande vitesse

What speed limit applies within a designated 'Zone 30' in Luxembourg?

• A30 km/h throughout the entire zone until an end-of-zone sign is reached
• B30 km/h only during school hours; 50 km/h at other times
• C30 km/h only if pedestrians are present on the roadway
• D30 km/h for heavy vehicles only; 50 km/h for passenger cars

In a residential meeting zone ('zone de rencontre'), what is the maximum permitted speed and what is the rule regarding pedestrians?

• A30 km/h, and pedestrians must remain on sidewalks
• B20 km/h, and pedestrians may use the entire roadway and have right-of-way over vehicles
• C10 km/h, and vehicles are only allowed between 08:00 and 18:00
• D50 km/h, with priority to the right at all crossings

What is the statutory maximum speed for vehicles that are authorised to drive in a pedestrian zone (zone piétonne, sign E,27a)?

• A20 km/h
• B30 km/h
• C40 km/h
• D50 km/h

Under Article 125 of the Luxembourg Code de la Route, what is the mandatory minimum lateral distance a driver must maintain when overtaking a cyclist?

• AAt least 0.5 meters
• BAt least 1.0 meter
• CAt least 1.5 meters both inside and outside built-up areas
• DAt least 2.5 meters

What is the penalty for overtaking a cyclist without respecting the mandatory 1.5-meter minimum lateral distance in Luxembourg?

• AA €74 taxed warning (avertissement taxé)
• BA €145 fine and deduction of 2 penalty points
• CA €250 fine and vehicle impoundment
• DNo fine, as lateral distance is merely a recommendation

What is the recommended rule of thumb for safe following distance behind the preceding vehicle on a dry road in good weather?

• AThe one-second rule
• BFive car lengths regardless of speed
• CThe two-second rule (règle des deux secondes)
• DTen meters at any speed

How should a driver adjust their following distance when driving on wet roads, during rainfall, or in fog?

• AReduce the following distance to stay close to the taillights of the car ahead
• BTurn off headlights to reduce glare
• CKeep the exact same distance as on dry asphalt
• DIncrease the following distance to at least 3 to 4 seconds (double the normal dry gap)

Using the standard driving theory calculation, what distance does a vehicle travel during a 1-second reaction time at a speed of 90 km/h?

• A15 meters
• B27 meters
• C45 meters
• D90 meters

What is hydroplaning (aquaplanage) and what is the correct driver reaction if it occurs?

• ATyres locking due to brake failure; apply the handbrake immediately
• BTyres losing contact with the road surface due to a water film; accelerate firmly so the…
• CTyres losing contact with the road surface due to a water film; brake hard at once to scr…
• DTyres losing contact with the road surface due to a water film; ease off the accelerator…

What is the standard shape and color design of permanent danger warning signs in Luxembourg?

• ACircular with a blue background and white symbol
• BEquilateral triangle pointing upwards with a red border and a white background
• CSquare with a green background and white text
• DOctagonal with a red background and white lettering

At a roadworks site (chantier), yellow lane markings have been painted over the existing white markings. Which markings must you follow?

• AThe white markings, because permanent markings always prevail
• BNeither; drivers may choose any lane while roadworks are in place
• CThe yellow markings, because markings that change the white ones, notably at roadworks, t…
• DThe yellow markings apply only to heavy goods vehicles

What action should you take when approaching danger sign A,1a (a red-bordered triangle showing a curved black arrow bending to the right)?

• AAccelerate to clear the curve before oncoming traffic arrives
• BShift into neutral and coast around the curve
• CTurn on hazard warning lights and stop immediately in the curve
• DSlow down before reaching the bend, keep to the right side of your lane, and do not overt…

What does danger warning sign A,4a (a red-bordered triangle with two black lines tapering inward from both sides) announce?

• ADual carriageway begins ahead
• BRoadway narrows from both sides ahead
• CThe road leads onto a quay or riverbank
• DEnd of priority road

What is the meaning of regulatory sign C,1a (a solid red circular sign with a horizontal white bar across the center)?

• ANo entry for all vehicles (sens interdit)
• BRoad closed in both directions to all traffic
• CParking prohibited on odd days
• DCustoms inspection post ahead

What does regulatory sign C,2 (a circular white sign with a red border and completely empty center) indicate?

• ARoad closed to all vehicles in both directions (circulation interdite dans les deux sens)
• BEnd of all speed prohibitions
• CPriority road ahead
• DRoundabout with priority to the right

What is the restriction imposed by sign C,13aa (a circular sign with a red border showing a black car on the right and a red car on the left)?

• AOnly lorries are prohibited from overtaking; cars may still overtake
• BTwo-way traffic where oncoming traffic must give way
• CAll overtaking is prohibited, including of cyclists and two-wheeled mopeds
• DOvertaking of motor vehicles other than two-wheeled mopeds and motorcycles without a side…

What is indicated by sign C,14 displaying the number '70' inside a red circular border?

• ARecommended advisory speed of 70 km/h
• BMinimum mandatory speed of 70 km/h
• CMaximum speed limit of 70 km/h that must not be exceeded
• DA 70 km/h limit that applies only to lorries and buses