Singapore BTT (Basic Theory Test) — Questions and Answers

Question 1: At a pedestrian crossing, the green man has just turned to flashing green. What should drivers expect?

The lights are malfunctioning
No pedestrians will be on the crossing
Some pedestrians may still be on the crossing and need to finish crossing (Correct answer)
Pedestrians will run across quickly

Correct answer: Some pedestrians may still be on the crossing and need to finish crossing

During the flashing green man phase, some pedestrians (especially elderly or disabled individuals) may still be finishing their crossing. Drivers must be patient.

Question 2: On an expressway, what should you do when your exit is approaching?

Stop on the expressway and reverse if you miss it
Use the right lane to exit
Move to the left lane well in advance and follow deceleration lane markings (Correct answer)
Brake sharply and move to the exit lane

Correct answer: Move to the left lane well in advance and follow deceleration lane markings

Move to the left lane well before your exit. Use the deceleration lane to reduce speed gradually. Never brake sharply on the main carriageway.

Question 3: A vehicle is exiting a driveway onto the main road. Who has right of way?

The vehicle exiting the driveway
The faster vehicle
Whoever arrives first
Vehicles and pedestrians on the main road (Correct answer)

Correct answer: Vehicles and pedestrians on the main road

Vehicles and pedestrians already on the main road have right of way. The vehicle exiting the driveway must wait for a safe gap.

Question 4: Red road studs on the left side of the road indicate what?

You must not cross — road edge on your left (Correct answer)
Bus stop ahead
No parking zone
Fire hydrant location

Correct answer: You must not cross — road edge on your left

Red cat's eyes or road studs mark the left edge of the road (nearside). Crossing them means you are leaving the carriageway.

Question 5: What is indicated by white zigzag lines painted on the road near a pedestrian crossing?

You may park here briefly for pick-up
Parking is allowed during off-peak hours
No stopping or parking is allowed at any time (Correct answer)
This is a designated loading zone

Correct answer: No stopping or parking is allowed at any time

White zigzag lines indicate a no-stopping zone near pedestrian crossings, ensuring clear visibility for both pedestrians and drivers.

Question 6: At a T-junction with no signs or markings, who has right of way?

The vehicle on the minor road (stem of the T)
The vehicle that arrives first
The vehicle on the major road (top of the T) (Correct answer)
The vehicle turning left

Correct answer: The vehicle on the major road (top of the T)

Vehicles on the through road (top of the T) have priority. The vehicle emerging from the minor road must give way.

Question 7: A group of elderly pedestrians is crossing slowly at a crossing. The light has turned green for you. What should you do?

Sound your horn politely
Edge forward to encourage them to hurry
Wait patiently until all pedestrians have cleared the crossing (Correct answer)
Drive around them carefully

Correct answer: Wait patiently until all pedestrians have cleared the crossing

Wait patiently for all elderly pedestrians to completely clear the crossing. Never rush, honk at, or intimidate vulnerable road users.

Question 8: You reach a junction where a traffic light has failed. What should you treat it as?

An uncontrolled junction — proceed with extreme caution (Correct answer)
A one-way road
A red light — stop completely
A green light — proceed normally

Correct answer: An uncontrolled junction — proceed with extreme caution

When traffic lights have failed, treat the junction as an uncontrolled intersection. Proceed with extreme caution and be ready to give way.

Question 9: A person in a wheelchair is crossing the road at a designated crossing. What special consideration should you give?

None — they have the same crossing time as others
They may take longer to cross — be patient and allow extra time (Correct answer)
Drive around them on the other side
Honk to encourage faster crossing

Correct answer: They may take longer to cross — be patient and allow extra time

Wheelchair users may need more time to cross, especially if there are kerbs or uneven surfaces. Be patient and do not rush them.

Question 10: On a three-lane road in Singapore, what is the right-most lane primarily used for?

Heavy vehicles only
Overtaking only (Correct answer)
Normal driving
Emergency vehicles only

Correct answer: Overtaking only

The right-most lane is the overtaking lane. Drivers should use it to pass slower vehicles and return to the left lane once overtaking is complete.

Question 11: A flashing amber beacon at a pedestrian crossing means what for drivers?

Speed up to clear the crossing
Crossing not in use — proceed normally
Give way to pedestrians on the crossing (Correct answer)
Stop completely before proceeding

Correct answer: Give way to pedestrians on the crossing

A flashing amber beacon at a crossing means you must give way to any pedestrians already on or about to step onto the crossing.

Question 12: What is the typical speed limit in a construction or road works zone?

40 km/h or as indicated by temporary signs (Correct answer)
Normal road speed limit
20 km/h
60 km/h

Correct answer: 40 km/h or as indicated by temporary signs

Road works zones typically have reduced speed limits of 40 km/h or as indicated by temporary signs, to protect workers and account for changed road conditions.

Question 13: What must you do when approaching a zebra crossing where a pedestrian is waiting to cross?

Flash your headlights to signal them to wait
Slow down and stop to let the pedestrian cross (Correct answer)
Speed up to pass before they step onto the road
Sound your horn to warn them

Correct answer: Slow down and stop to let the pedestrian cross

You must slow down and stop for pedestrians at zebra crossings. Pedestrians have right of way at zebra crossings once they step onto or are waiting at the crossing.

Question 14: Can you make a left turn on a red light in Singapore?

Yes, after coming to a full stop
Yes, if there is a green left-turn arrow (Correct answer)
No, never
Only if a sign permits it

Correct answer: Yes, if there is a green left-turn arrow

You may only turn left on red if there is a green filter arrow permitting the left turn. Without the arrow, you must wait for the main green light.

Question 15: What does a flashing green man signal at a pedestrian crossing mean?

Pedestrians should finish crossing quickly — do not start (Correct answer)
Pedestrians may start crossing
Traffic is about to stop
The signal is malfunctioning

Correct answer: Pedestrians should finish crossing quickly — do not start

A flashing green man means pedestrians already crossing should hurry to finish. Those who haven't started should wait for the next green man.

Question 16: At an uncontrolled intersection in Singapore, which vehicle generally has the right of way?

The larger vehicle
The vehicle on the right (Correct answer)
The vehicle on the left
The faster vehicle

Correct answer: The vehicle on the right

In Singapore, at an uncontrolled intersection, you should give way to traffic approaching from your right.

Question 17: You are turning left into a side road. A cyclist is going straight on your left. Who has right of way?

The cyclist going straight (Correct answer)
You, as the motorised vehicle
Whoever signals first
The vehicle behind you

Correct answer: The cyclist going straight

The cyclist going straight has right of way. You must check your left mirror and give way to cyclists before turning left.

Question 18: At a mini-roundabout, which vehicle has right of way?

The first vehicle to arrive
Traffic from the right already in the roundabout (Correct answer)
Traffic from the left
The larger vehicle

Correct answer: Traffic from the right already in the roundabout

At a mini-roundabout, the same rules apply as at a full roundabout — give way to traffic from your right already on the roundabout.

Question 19: A silver 'Give Way' triangle is painted on the road surface. What does this mean?

Speed bump ahead
Pedestrian crossing ahead
Give way to traffic on the road you are entering (Correct answer)
Merge point

Correct answer: Give way to traffic on the road you are entering

An inverted triangle marking on the road reinforces the Give Way sign and means you must give way to traffic on the road you are joining.

Question 20: What does a triangular sign showing two-way traffic arrows mean?

Road divides
Dual carriageway ends
Two-way traffic ahead (Correct answer)
Overtaking lane ahead

Correct answer: Two-way traffic ahead

This warning sign alerts drivers that they are approaching a road with two-way traffic, often after a one-way section.

Question 21: A sign showing a red circle with a left-turn arrow crossed out means what?

No left turn (Correct answer)
Left turn only
Left lane closed
Detour left

Correct answer: No left turn

A red circle with a crossed-out arrow prohibits turning in that direction. This sign means no left turn is allowed.

Question 22: You see a pedestrian wearing headphones crossing the road ahead. Why is this a concern?

Headphones are illegal while crossing
It is not a concern
They are likely to walk faster
They may not hear your vehicle or any warning sounds (Correct answer)

Correct answer: They may not hear your vehicle or any warning sounds

Pedestrians wearing headphones may not hear approaching vehicles, horns, or emergency sirens, making them less aware of traffic dangers.

Question 23: How far before a bus stop are you NOT allowed to park your vehicle?

6 metres
9 metres (Correct answer)
3 metres
12 metres

Correct answer: 9 metres

You must not park within 9 metres before a bus stop to allow buses to pull in safely and passengers to board or alight.

Question 24: On a four-lane road, you are in lane 2 (second from left). A vehicle in lane 4 wants to merge to lane 2. What should you be aware of?

They can merge directly — no concern
They will cross lane 3 first — watch for their signals (Correct answer)
Only lane 1 vehicles are at risk
Speed up so they cannot merge

Correct answer: They will cross lane 3 first — watch for their signals

A vehicle crossing multiple lanes creates risk. Watch for their signals, be prepared for their movement, and adjust your driving accordingly.

Question 25: Is a driver permitted to stop in a bus lane during its restricted operating hours to drop off a passenger?

Yes, but only for motorcycles
No, stopping in a bus lane during restricted hours is not permitted (Correct answer)
Yes, picking up and dropping off passengers is always allowed
Yes, if it takes less than 2 minutes

Correct answer: No, stopping in a bus lane during restricted hours is not permitted

Stopping in a bus lane during its restricted operating hours is not permitted, even for brief passenger drop-offs, to keep traffic flowing for buses.

Question 26: You are on a dual carriageway and want to make a U-turn. When is this permitted?

Anywhere on the dual carriageway
At any traffic light
Only at designated U-turn points (Correct answer)
When no other vehicles are present

Correct answer: Only at designated U-turn points

U-turns on dual carriageways are only permitted at designated U-turn points or openings in the central divider.

Question 27: What does a zigzag white line painted on the road near a pedestrian crossing mean?

Decorative road marking
No overtaking and no parking zone (Correct answer)
Speed bump ahead
Lane merging

Correct answer: No overtaking and no parking zone

Zigzag lines near a pedestrian crossing indicate a no-overtaking and no-parking zone to ensure clear visibility for both drivers and pedestrians.

Question 28: If your vehicle has a tyre blowout at high speed, what should you do?

Turn sharply to the side of the road
Accelerate to maintain control
Brake hard immediately
Hold the steering firmly, ease off the accelerator gradually, and slow down gently (Correct answer)

Correct answer: Hold the steering firmly, ease off the accelerator gradually, and slow down gently

In a tyre blowout, hold the steering firmly, do not brake hard, and gradually ease off the accelerator. Let the vehicle slow naturally before carefully pulling over.

Question 29: What hazard does a large vehicle (lorry or bus) pose to pedestrians at a junction?

It damages the road surface
It takes up more road space
It blocks the driver's view of pedestrians and the pedestrians' view of other vehicles (Correct answer)
It creates noise pollution

Correct answer: It blocks the driver's view of pedestrians and the pedestrians' view of other vehicles

Large vehicles create significant blind spots. Pedestrians may not see approaching vehicles hidden behind a bus or lorry, and drivers may not see pedestrians.

Question 30: Can you straddle a chevron-marked area on the road?

Yes, they are just advisory markings
Only when overtaking
Only during off-peak hours
No — they separate traffic flows and must not be entered (Correct answer)

Correct answer: No — they separate traffic flows and must not be entered

Chevron-marked areas bordered by solid white lines must not be entered. They are used to separate traffic flows for safety.

Question 31: How far from a traffic light junction should you start looking at the signals?

Only when the car ahead reacts
Only when directly at the stop line
Within 50 metres
As soon as they become visible — to plan your approach (Correct answer)

Correct answer: As soon as they become visible — to plan your approach

Observe traffic signals as soon as they become visible so you can plan your approach, adjust speed, and respond safely.

Question 32: When may a driver legally park on a single yellow line?

Never — it is always prohibited
During hours not specified on the accompanying restriction sign (Correct answer)
At any time during weekends only
Only with a valid coupon displayed

Correct answer: During hours not specified on the accompanying restriction sign

A single yellow line allows parking outside the hours specified on the nearby restriction sign, so parking is legal at other times.

Question 33: During heavy rain, should you drive at the posted speed limit?

Yes — the limit is always safe
Yes, if you have new tyres
No — you should drive below the limit at a speed appropriate for conditions (Correct answer)
Only if your wipers are working

Correct answer: No — you should drive below the limit at a speed appropriate for conditions

The posted speed limit is the maximum for ideal conditions. In heavy rain, you should drive significantly below the limit to account for reduced visibility and grip.

Question 34: Why is it more dangerous to speed at night compared to daytime?

There are more police patrols at night
Speed limits are lower at night
Night air affects engine performance
Your headlights may not illuminate far enough for your stopping distance at high speed (Correct answer)

Correct answer: Your headlights may not illuminate far enough for your stopping distance at high speed

At night, your visibility is limited to the range of your headlights. At high speeds, you may not be able to stop within the distance you can see.

Question 35: Before changing lanes, what is the correct sequence of actions?

Mirror, signal, mirror (blind spot), move (Correct answer)
Move, then signal
Signal, mirror, move
Check blind spot only, then move

Correct answer: Mirror, signal, mirror (blind spot), move

The correct sequence is: check mirrors, signal your intention, check mirrors again including blind spots, then move when safe.

Question 36: What does a white rectangular sign with a red diagonal stripe across a speed number mean?

Recommended speed
Speed camera zone ends
Speed limit no longer applies (Correct answer)
Minimum speed limit begins

Correct answer: Speed limit no longer applies

A speed limit sign with a red diagonal stripe indicates the end of that speed restriction. The previous speed limit no longer applies.

Question 37: The traffic light sequence in Singapore is: Red → Red and Amber → Green → ?

Green arrow
Flashing green
Red
Amber (Correct answer)

Correct answer: Amber

The traffic light sequence is Red → Red and Amber → Green → Amber → Red. After green, a steady amber warns drivers to prepare to stop.

Question 38: What does a steady amber (yellow) traffic light mean?

Speed up to clear the junction
Give way to pedestrians only
Proceed with caution
Stop behind the stop line unless it is unsafe to do so (Correct answer)

Correct answer: Stop behind the stop line unless it is unsafe to do so

An amber light means stop behind the stop line. You may only proceed if you are so close that stopping would be dangerous.

Question 39: If traffic lights at a four-way junction are all flashing amber, how should you proceed?

Only left turns are permitted
All vehicles must stop completely
The larger vehicle has priority
Treat it as an uncontrolled junction — give way to traffic from the right (Correct answer)

Correct answer: Treat it as an uncontrolled junction — give way to traffic from the right

When all traffic lights flash amber, the junction becomes uncontrolled. Apply normal right-of-way rules and proceed with extreme caution.

Question 40: What demerit points are given for exceeding the speed limit by 21-30 km/h?

4 points
6 points
12 points
8 points (Correct answer)

Correct answer: 8 points

Exceeding the speed limit by 21-30 km/h attracts 8 demerit points in Singapore, along with a substantial fine.

Question 41: When driving through an HDB estate, why are speed humps installed?

For drainage purposes
To damage vehicles
To mark parking boundaries
To slow traffic and improve pedestrian safety in residential areas (Correct answer)

Correct answer: To slow traffic and improve pedestrian safety in residential areas

Speed humps in HDB estates are traffic calming measures designed to slow vehicles and reduce the risk of pedestrian accidents in areas with high foot traffic.

Question 42: What does the demerit point system do in relation to speeding offences?

It accumulates points per offence — too many leads to licence suspension (Correct answer)
It reduces insurance premiums
It tracks repair costs
It has no real consequence

Correct answer: It accumulates points per offence — too many leads to licence suspension

Singapore's demerit point system adds points for each offence. Accumulating 24 or more points within 24 months leads to licence suspension.

Question 43: A traffic light shows a green arrow but no other green signal. What does this mean?

The signal is changing
You may go in any direction
Pedestrians have right of way in all directions
You may go only in the arrow direction — other directions are red (Correct answer)

Correct answer: You may go only in the arrow direction — other directions are red

A green filter arrow without an accompanying green light means only traffic going in the arrow's direction may proceed. All other directions are still red.

Question 44: When can you use the bus lane during bus lane operating hours?

When there are no buses in sight
During heavy congestion
When turning left within 150 metres of a junction (Correct answer)
Never — only buses may use it during operating hours

Correct answer: When turning left within 150 metres of a junction

You may enter a bus lane within 150 metres of a junction to make a left turn. Otherwise, bus lanes are exclusively for buses during operating hours.

Question 45: What should you do when approaching a 'lane closed ahead' sign on the expressway?

Begin merging into the open lane gradually and in good time (Correct answer)
Stop and wait for instructions
Continue in the closing lane until the last moment
Speed up to pass before the closure

Correct answer: Begin merging into the open lane gradually and in good time

When you see a lane closure sign, begin moving to the open lane gradually. Early merging is safer and reduces congestion.

Question 46: What is the purpose of the countdown timer displayed on some traffic lights in Singapore?

To indicate the traffic camera timer
To display the speed limit
To show pedestrians how much time remains to cross (Correct answer)
To show how long until the light turns green for vehicles

Correct answer: To show pedestrians how much time remains to cross

Countdown timers at pedestrian crossings show how much time pedestrians have remaining to complete their crossing safely.

Question 47: What is the correct lane position when driving straight through a roundabout?

Left lane to enter, signal left before your exit (Correct answer)
Left lane throughout
Right lane throughout
Right lane to enter, move left to exit

Correct answer: Left lane to enter, signal left before your exit

For going straight through a roundabout, use the left lane to enter and signal left as you approach your exit to leave the roundabout.

Question 48: When should you signal before changing lanes?

At least 3 seconds before you begin to change lanes (Correct answer)
Signalling is optional on expressways
As you are changing lanes
Only when other vehicles are nearby

Correct answer: At least 3 seconds before you begin to change lanes

Signal at least 3 seconds before changing lanes to give other drivers adequate warning of your intention.

Question 49: At a junction with a dedicated right-turn phase, when should you turn right?

Only when the right-turn green arrow is shown (Correct answer)
At any time if the road is clear
When there is a gap in oncoming traffic
Whenever the main light is green

Correct answer: Only when the right-turn green arrow is shown

When a junction has a dedicated right-turn phase (green arrow), you should only turn right when that specific green arrow is displayed.

Question 50: What does the 'two-second rule' become in wet weather?

Five-second rule
Three-second rule
Four-second rule (Correct answer)
Still two seconds

Correct answer: Four-second rule

In wet weather, the two-second rule should become at least a four-second rule to allow for the increased braking distance on wet roads.

Question 51: When should you use your horn to assert right of way?

In heavy traffic
When overtaking
When another driver is not giving way
Never — the horn should not be used to assert right of way (Correct answer)

Correct answer: Never — the horn should not be used to assert right of way

The horn should only be used to alert other road users of your presence for safety. It must never be used aggressively to assert right of way.

Question 52: On a road with a 50 km/h limit, can you be penalised for driving at 50 km/h if conditions are dangerous?

Only if an accident occurs
No — you are within the speed limit
Yes — you must drive at a speed appropriate for conditions, even if below the limit (Correct answer)
Only in designated zones

Correct answer: Yes — you must drive at a speed appropriate for conditions, even if below the limit

Driving at the speed limit in dangerous conditions (fog, rain, crowds) can be considered dangerous driving. You must adjust speed to conditions.

Singapore BTT (Basic Theory Test)

The Basic Theory Test (BTT) is a compulsory computerised theory test in Singapore assessing knowledge of road traffic rules, traffic signs, and safe driving principles before learners can proceed to practical driving lessons.

Questions

50 min

Time Limit

90%

To Pass

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These practice questions were written with AI tools. They are not real exam questions. Exam facts are checked against the official sources listed below. Not reviewed by a subject-matter expert. Editorial policy

Sources & references

Exam facts on this page (fees, format, dates, passing scores) are checked against these official sources; the date is our last check. Editorial policy

police.gov.sg — Eligibility, exam format, time limit, test delivery, exam information · verified Nov 2026
ssdcl.com.sg — Fees, retake policy · verified Oct 2026