The US Interstate System is one of the most well-developed network of roads in the world, and has a surprisingly organized numbering system.
Carmel, Indiana Roundabouts: The most-extensive roundabout network in North America
Carmel, Indiana is the roundabout capital of North America. This suburb of Indianapolis has been replacing its “standard intersections” with roundabouts since the 1990s.
Tibbett to Contowoyto Winter Road: Connecting diamond mines in Northern Canada
Starting in the city of Yellowknife in the Northwest Territories, the Tibbett to Contowoyto Winter Road connects various diamond and gold mines located throughout Northern Canada, allowing a ground transportation route to transport resources to and from mines.