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. Bollards

Bollards are short, sturdy vertical posts used to control or block vehicle access and to protect people, buildings, or property from traffic.

  • Steel, concrete, plastic, or wood.
  • Can be fixed, removable, or retractable.
  • Often painted bright colors (like yellow or red) or include reflective strips for visibility.
  • Common Places You’ll See Bollards:
    • Sidewalks and pedestrian zones - Keep vehicles out and protect people walking.
    • Building entrances - Prevent vehicle crashes or ramming.
    • Parking lots - Guide traffic, protect structures.
    • Bike lanes - Separate bikes from vehicle traffic.
    • Roadworks - Temporary barriers for safety and direction.
Bollards

Sign warning for a rising bollard. (Salzburg, Austria) © Wikimedia.org/Linie29, CC BY-SA

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