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Zorluk: ZorJoining the Motorway

In heavy traffic on a wet evening, you travel down a slip road toward a dual three-lane motorway. As you reach the acceleration lane, a continuous line of large goods vehicles travels at 45 mph in the left-hand lane with minimal separation, leaving no immediate gap. What is the safest and legally correct course of action to take?

  1. A
    Flash your headlights repeatedly at the approaching vehicles in the left lane to signal that they must yield and allow you to merge.
  2. Adjust your speed to seek a safe opening, give priority to traffic already on the motorway, and stop at the end of the slip road if no gap appears.Cevap
  3. C
    Accelerate hard past the nearest large vehicle and steer abruptly into the confined space directly in front of its cab before the slip road ends.
  4. D
    Rely entirely on your side mirrors while matching speed, merging immediately across the broken white line without checking your right shoulder blind spot.

Cevap

Adjust your speed to seek a safe opening, give priority to traffic already on the motorway, and stop at the end of the slip road if no gap appears.
According to Highway Code Rule 259, vehicles joining a motorway from a slip road must give priority to traffic already on the main carriageway. Drivers must match their speed to fit safely into traffic flow, keep out of the hard shoulder, and stop at the end of the acceleration lane if no safe opening emerges.

Adım Adım Çözüm

1
Assess traffic flow and identify priority rules
Recognise that under UK Highway Code Rule 259, traffic already on the motorway has priority over traffic joining from a slip road.
Joining traffic must not force entry, cross solid lines, or assume main carriageway vehicles will move aside.
2
Evaluate merging hazards and blind spots
Acknowledge that cutting in front of large vehicles compromises their blind spots and braking distance, especially in wet conditions.
Heavy goods vehicles require significantly greater stopping distances on wet roads and have restricted forward visibility immediately in front of their cabs.
3
Determine the appropriate control response
Match speed, scan for gaps, perform mirror and blind spot checks, and prepare to stop at the end of the acceleration lane if traffic prevents a safe merge.
Stopping at the end of the slip road is the only lawful and safe contingency when no safe gap exists and hard shoulder entry is prohibited.

Anahtar Kavram

Priority and safe merging procedure when joining a motorway from a slip road
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Joining the Motorway

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