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…
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…
Drive in most of the world and the signs are pictures. A red triangle with a symbol in it warns you about something. A red circle with a line through…
Most Americans drive on these roads for a lifetime without discovering that the numbers mean something. They are treated as names - arbitrary labels that happen to be numerals.
They…
Source: Wikipedia
The Problem It Was Invented to Solve
Source: Wikipedia
White paint on a road is nearly useless at night. A headlight beam strikes a painted line at a very shallow…
There is a small object that lines a great many old roads and is almost never looked at: a short stone or cast-iron post at the verge, carrying a name…