Road signs, signals and road markings
What this domain tests
Road signs, signals and markings are the shared language of the road. The exam checks whether you can identify a sign by shape and colour, obey the correct signal in the correct order, and read markings before you change speed or direction. Questions often combine a sign with a marking or a traffic-light phase.
Core rules
- Warning signs are red-bordered triangles; prohibitory signs are red circles; mandatory signs are blue circles; information and direction signs are rectangles.
- A red light means stop behind the stop line. Green means proceed only if your exit is clear. Amber means stop unless stopping is unsafe. A flashing amber means proceed with caution.
- A solid centre line must not be crossed; a broken line may be crossed only when safe. Double solid lines forbid overtaking. Stop lines, give-way lines, zebra crossings and yellow box junctions must be kept clear.
- The order of authority is: police officer's signals, then traffic lights, then signs, then road markings.
Worked example
You are behind a slow truck on a two-way road. Your side has a broken white lane line, but the centre line is solid yellow and the oncoming lane is clear. May you overtake? No. The broken white line only permits lane changes within your direction; crossing the solid yellow centre line into opposing traffic is prohibited. Wait until the centre line becomes broken and visibility is clear.
Traps that cost marks
- Treating a give-way sign as a stop sign, or a stop sign as give-way.
- Crossing a solid line because no traffic was coming.
- Entering a junction on green when the exit is blocked.
- Ignoring markings when no sign is present.
- Assuming a flashing amber means go.