List of Interstate Highways in Oklahoma

Highway markers for Interstate 40, Interstate 240, and Interstate 40 Business
System information
Formed:	August 14, 1957
Highway names
Interstates:	Interstate X (I-X)
Business Loops and Spurs:	Interstate X Business (I-X Bus.)
System links
Oklahoma State Highway System Interstate U.S. State Turnpikes

Interstate Highways in Oklahoma form a network of freeways that cross the state.

OKHighways by Eric Stuve