For instance, a two or three-lane motorway in the UK features a lane width of around 11.5 feet. Furthermore, countries like Japan and Germany apply a standard 3.75-meter lane width (about 12.3 ...

The M1 – Britain's first full-length motorway – has turned 50 ... has a whopping 17 lanes of traffic (plus eight full-width hard shoulders) running side by side. Admittedly, they are spread ...