Reference
Traffic sign library
Revisit warning, regulatory, and directional signs that commonly appear in theory prep.
The safe following distance between the front vehicle and your vehicle is
45% complete
Why the correct answer works:
What this question teaches
Use the stated one-car-length-per-16-km/h rule as a spacing guide.
Official source: Singapore Police Force Online Learning Portal: Riding Theory Handbook
Topic
Speed & Following Distance
Speed limits, safe following distance, the two-second rule, and braking distances.
Road Knowledge
Theory test guide
Review test order, PDL timing, and study structure before your next practice run.
Penalties
Demerit points (DIPS)
Pair rule knowledge with the thresholds and offence types that matter to real drivers.