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Book

This informative book is designed for students who want to pass the quiz with confidence. Packed with clear explanations and visual examples, it keeps you engaged while helping you learn faster and succeed.


1. Traffic jam

A traffic jam (also known as a traffic congestion) is when vehicles are slowed down or stopped on a road due to too many cars and not enough space or flow. It’s a common and frustrating issue, especially in cities, highways, and during rush hours. The best way to handle it? Stay patient, drive smart, and if you can, plan ahead to avoid it.

  • Common Causes of Traffic Jams:
    • High vehicle volume – more cars than the road can handle.
    • Accidents or breakdowns – block lanes and reduce flow.
    • Roadworks or lane closures.
    • Bottlenecks – roads merging or narrowing.
    • Weather conditions – like fog, rain, or snow slowing everyone down.
    • Traffic signals or poor timing at intersections.
    • Rubbernecking – drivers slowing down to look at crashes or events.

Warning for traffic jam. (Geneva, Switzerland) © Wikimedia.org/Marc Mongenet, CC BY-SA