SG Singapore Driver

Knowledge base

Singapore driving knowledge base

Cited, dated articles from official sources. This vault is built slowly: every material claim has a source URL, and gaps stay on the research queue until they can be verified. Short study-path hubs remain at Singapore Road Knowledge.

All enforcement (9) expressways (2) fitness (5) incidents (2) licensing (8) road rules (20) signs (7) speed (3) tests (3)
fitness 5 min read

Being in charge of a vehicle while unfit or over the limit

Road Traffic Act s 68 penalises being in charge of a motor vehicle on a road or public place, while not driving, if unfit through drink or drugs or over the prescribed alcohol limit. Section 67A can enhance sentence after repeated specified convictions.

section-68 in-charge drink drugs section-67A
fitness 3 min read

Drink-driving disqualification periods

After a section 67 conviction the court must disqualify a first offender for at least 2 years and a repeat offender for at least 5 years, unless special reasons apply; a third qualifying conviction is disqualification for life.

drink-driving disqualification section-67 Road Traffic Act
fitness 5 min read

Medical and vision fitness to drive

Official handbook vision test for a PDL, lifetime versus foreigner licence validity, and Traffic Police rules for medical certification from age 65, special medical conditions, and proficiency tests for heavier classes.

medical vision age-65 Fitness-To-Drive HMER proficiency-test
fitness 2 min read

Preliminary breath tests and follow-up specimens

When a police or immigration officer may require a preliminary breath specimen and what the Road Traffic Act says about refusal and follow-up testing.

breath-test drink-driving alcohol Road-Traffic-Act
fitness 2 min read

Prescribed alcohol limit for driving

The Road Traffic Act 1961 prescribed limit is 35 microgrammes of alcohol in 100 millilitres of breath, or 80 milligrammes of alcohol in 100 millilitres of blood, and driving above that limit is an offence under section 67.

alcohol drink-driving Road Traffic Act