'Channelisation' at a traffic intersection improves safety by:
Choose the correct answer
Removing all lanes and merging into one path
Directing traffic into defined paths using islands/markings — separates conflicts and reduces pedestrian exposure distance
Only installing more traffic signals
Channelisation only used in river management, not traffic
Correct Answer
B. Directing traffic into defined paths using islands/markings — separates conflicts and reduces pedestrian exposure distance
Why is this the answer?
Channelisation: use of kerbs, islands, and pavement markings to direct traffic into defined paths, reducing conflict points. Benefits: (1) Separates conflicting traffic streams; (2) Reduces pedestrian crossing distance (refuge islands); (3) Slows turning movements; (4) Defines right-of-way clearly. Examples: raised channelising islands, painted chevrons, bicycle lane markings. IRC:SP:41 covers channelisation design.
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