Lift the boot floor of a car built in the last fifteen years and there is a reasonable chance there is no spare wheel under it. In its place is…
The painted stripes across a pedestrian crossing are so familiar that they look like the obvious solution. They were not the first attempt.
The original crossings were marked by rows…
Walk through an airport, a cinema or a hotel almost anywhere in the world and the exit is marked by a green panel showing a running figure heading through a…
There are an enormous number of traffic cones in the world. They are among the most-produced objects on any road, they are stolen more than almost anything else of comparable…
The cabin lights go down just before takeoff and just before landing, and most passengers read it as a signal to settle, or a courtesy to people who want to…
The stop sign is the only octagonal object most people encounter in a normal day. It is a strange shape to manufacture, it wastes material compared to a square, and…