PDVL Singapore Road Traffic Act — Questions and Answers
Question 1: Under the Singapore Road Traffic Act, what is the speed limit on an expressway unless otherwise indicated?
- 90 km/h (Correct answer)
- 110 km/h
- 70 km/h
- 80 km/h
Correct answer: 90 km/h
The default speed limit on Singapore expressways is 90 km/h unless a lower limit is posted. Exceeding this limit is an offence under the Road Traffic Act.
Question 2: What does a double white centre line on a Singapore road mean?
- No vehicle may cross or straddle either line (Correct answer)
- Vehicles may cross the line only when overtaking
- Vehicles may cross the line when turning right
- One side may cross but the other may not
Correct answer: No vehicle may cross or straddle either line
A double white centre line means that no vehicle may cross or straddle either line. This marking indicates a no-overtaking zone where the road conditions make it unsafe to cross the centre line.
Question 3: Under the Road Traffic Act, using a mobile phone while driving without a hands-free device is:
- An offence that carries a fine of up to S$1,000 and/or 6 months' imprisonment for a first offence (Correct answer)
- Only a warning offence for first-time offenders
- Permitted if the call lasts less than 30 seconds
- Only an offence if it causes an accident
Correct answer: An offence that carries a fine of up to S$1,000 and/or 6 months' imprisonment for a first offence
Using a handheld mobile phone while driving is an offence under the Road Traffic Act. A first offender faces a fine of up to S$1,000 and/or imprisonment of up to 6 months, and subsequent offences carry heavier penalties.
Question 4: What is the blood alcohol content (BAC) limit for drivers in Singapore?
- 35 micrograms per 100 ml of breath (or 80 mg per 100 ml of blood) (Correct answer)
- 50 mg per 100 ml of blood
- Zero tolerance — any alcohol is an offence
- 25 micrograms per 100 ml of breath
Correct answer: 35 micrograms per 100 ml of breath (or 80 mg per 100 ml of blood)
Singapore's legal limit is 35 micrograms of alcohol per 100 ml of breath, or 80 mg of alcohol per 100 ml of blood. Exceeding this limit constitutes drink driving under the Road Traffic Act.
Question 5: A driver involved in an accident causing injury must:
- Stop, render assistance, provide particulars, and report to the police within 24 hours (Correct answer)
- Continue driving and report online within 7 days
- Only stop if they caused the accident
- Report to their insurance company within 24 hours only
Correct answer: Stop, render assistance, provide particulars, and report to the police within 24 hours
Under the Road Traffic Act, a driver involved in an accident causing injury must stop immediately, render assistance to injured persons, provide their name, address, and vehicle details, and report the accident to the police within 24 hours.
Question 6: What is the demerit points threshold in Singapore at which a driving licence is suspended?
- 24 demerit points within 24 months (Correct answer)
- 12 demerit points within 12 months
- 36 demerit points at any time
- 18 demerit points within 12 months
Correct answer: 24 demerit points within 24 months
Under Singapore's demerit point system, a driver's licence is suspended when the driver accumulates 24 or more demerit points within any 24-month period. New drivers (within 12 months of passing the test) have a lower threshold of 13 points within 12 months.
PDVL Singapore Road Traffic Act
Under the Singapore Road Traffic Act, what is the speed limit on an expressway unless otherwise indicated?