map of united states interstate highways

There are a number of different road designations in the United States, from highways and freeways to interstates and routes, and it can cause some confusion with different laws and regulations. A Portland-based designer obsessively and impressively maps out the country's intricate network of highways, inspired by the design of subway maps. Every Single Highway In The United States In One ... The United States’ system of numbered highways is a foundational part of the country’s transportation network. Composing multiple tiers, such as Interstate Highways, US Highways, state highways, and ... MSN: The number logic behind the United States’ highways, and how travellers can use it The number logic behind the United States’ highways, and how travellers can use it