US 400 is an east-west United States highway. Its route number is a "violation" of the usual AASHTO numbering scheme, as there is no US 00.

Table of contents
1 Termini
2 States Traversed
3 Related US Routes
4 Sources

Termini

As of 2004, the highway's eastern terminus is east of Joplin, Missouri at an intersection with Interstate 44. Its western terminus is in Granada, Colorado at an intersection with US 385.

States Traversed

The highway passes through the following states:

Related US Routes

Sources