BTT Lane Discipline 2 — Questions and Answers
Question 1: What does a broken white line between lanes indicate?
- No lane changes allowed
- Lane changing is permitted when safe (Correct answer)
- Emergency lane boundary
- Speed reduction zone
Correct answer: Lane changing is permitted when safe
Broken white lines between lanes indicate that lane changing is allowed when it is safe to do so.
Question 2: When approaching a junction where you want to turn right, which lane should you be in?
- Left lane
- Right-most lane or designated right-turn lane (Correct answer)
- Centre lane
- Any available lane
Correct answer: Right-most lane or designated right-turn lane
Position your vehicle in the right-most lane or designated right-turn lane well before the junction.
Question 3: What is 'weaving' in traffic, and is it legal?
- Changing lanes repeatedly to get ahead — it is illegal and dangerous (Correct answer)
- Driving in a zigzag pattern — it is legal on expressways
- Alternating between lanes in heavy traffic — it is encouraged
- Using two lanes on curves — it is permitted
Correct answer: Changing lanes repeatedly to get ahead — it is illegal and dangerous
Weaving means frequently changing lanes to gain a speed advantage. It is dangerous, increases accident risk, and can result in fines.
Question 4: On a road with four lanes in your direction, which lanes are heavy vehicles typically restricted from using?
- The two left lanes
- The right-most lane (Correct answer)
- The two centre lanes
- No restriction applies
Correct answer: The right-most lane
Heavy vehicles are typically restricted from using the right-most (fastest) lane on multi-lane roads in Singapore.
Question 5: You are in the left lane behind a slower vehicle. How should you overtake?
- Overtake on the left using the shoulder
- Check mirrors, signal right, move to the right lane, pass, then return left (Correct answer)
- Flash your headlights and honk
- Tailgate until they move
Correct answer: Check mirrors, signal right, move to the right lane, pass, then return left
The correct procedure is to check mirrors, signal, move to the right lane to overtake, and then signal and return to the left lane once safely past.
Question 6: When can you use the bus lane during bus lane operating hours?
- When there are no buses in sight
- Never — only buses may use it during operating hours
- When turning left within 150 metres of a junction (Correct answer)
- During heavy congestion
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.
What does a broken white line between lanes indicate?