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Difficulty: HardBuses and Coaches

You are approaching a junction intending to turn right from a side road onto an urban one-way street that incorporates an operational contraflow bus lane. Which observation is essential before you emerge into the carriageway?

  1. A
    Buses flashing their headlights to indicate they are conceding priority to let you turn
  2. Buses travelling against the general flow of traffic, requiring thorough scanning in both directionsAnswer
  3. C
    Vehicles approaching exclusively from your right, as traffic on one-way streets only travels in a single direction
  4. D
    Parked buses standing at passenger boarding bays along the left-hand kerb

Answer

Buses travelling against the general flow of traffic, requiring thorough scanning in both directions
A contraflow bus lane allows buses (and other authorised vehicles) to travel against the general one-way traffic flow. When emerging from a side road, drivers cannot rely on the usual assumption that all vehicles are approaching from a single direction; they must scan thoroughly in both directions before turning.

Step-by-Step Solution

1
Identify the specific road configuration and lane rules
Recognise that a contraflow bus lane permits buses to operate in the opposite direction to the normal flow of one-way traffic
Standard one-way street assumptions do not apply when contraflow lanes are present
2
Determine the necessary observation pattern before emerging
Scan both left and right across all lanes before making the right turn
Traffic will approach from both directions across your intended path of travel

Key Concept

Contraflow bus lane observation and junction priority
Estimated Time:1m 0s
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Topics

Buses and Coaches

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