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Difficulty: MediumTraffic Lights and Signals

Match each specialized traffic light signal with its correct meaning and required driver action under the UK Highway Code.

  • Twin flashing amber lights positioned beneath a warning sign near a schoolWarns drivers that children are likely crossing; drivers must reduce speed and be prepared to stop
  • A horizontal white line illuminated on a black circular background at a light-controlled junctionApplies exclusively to tram drivers, indicating that the tram must stop behind the stop line
  • A green filter arrow illuminated alongside a main red traffic lightPermits vehicles to proceed only in the indicated direction, provided the way is clear and safe
  • Twin alternating flashing red lights outside an emergency service stationRequires all approaching road traffic to stop behind the line until the lights cease and the exit is clear

Answer

Twin flashing amber lights near a school warn drivers that children are likely crossing and require reducing speed; a horizontal white line on a black circular signal instructs trams to stop; a green filter arrow alongside a red light allows movement strictly in the arrow's direction; twin alternating flashing red lights outside an emergency station legally require all traffic to stop.
Each signal in the UK Highway Code has a distinct legal and operational meaning: twin flashing amber lights alert drivers to school crossing points; horizontal white bars on a black circular background instruct trams to stop; green filter arrows allow movement only in the designated lane direction; and twin flashing red lights strictly require all traffic to stop.

Step-by-Step Solution

1
Identify the meaning of advisory warning lights near schools
Twin flashing amber lights indicate active school crossing times, requiring drivers to slow down and anticipate children crossing.
School hazard warning signals alert drivers during peak school start and finish times without imposing a full continuous red stop phase.
2
Differentiate public transit light signals from standard vehicle traffic lights
A horizontal white bar on a circular black background is a dedicated tram signal commanding the tram to stop.
Trams operate under specific light signals using white geometric bars rather than standard colored circular aspects.
3
Apply the rule for directional filter arrows at traffic junctions
A green arrow illuminated with a red light permits traffic to move in the direction shown by the arrow if clear.
Filter arrows allow specific traffic flows to move safely while general traffic remains held by the red light.
4
Determine the mandatory legal response to twin flashing red signals
Twin alternating flashing red lights mean mandatory stop for all road vehicles until the signal ends.
Wig-wag flashing red lights are reserved for emergency exits, level crossings, and opening bridges where complete priority is required.

Key Concept

Specialized traffic light signals, including school flashing amber lights, tram white bar indicators, filter arrows, and emergency wig-wag flashing red lights
Estimated Time:1m 30s
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Topics

Traffic Lights and Signals

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