What is Interstate 40?
A major east-west route of the Interstate Highway System. It replaces US Highway 66.
Where does Interstate 40 start (or end), in the west?
Barstow, California (Google Maps link)
Where does Interstate 40 start (or end), in the east?
Wilmington, North Carolina
What states does it go thru?
California, Arizona, New Mexico, Texas, Oklahoma, Arkansas, Tennessee, and North Carolina.
Resources
1. https://en.wikipedia.org/wiki/Interstate_40_in_New_Mexico
