Interstate
|
Shield
|
Auxiliary
|
States
|
I-4 |
|
None |
Florida
|
I-5 |
|
|
California, Oregon, Washington
|
I-10 |
|
|
Alabama, Arizona, California, Florida, Louisiana, Mississippi, New Mexico, Texas
|
I-11 |
|
None |
Nevada
|
I-12 |
|
None |
Louisiana
|
I-15 |
|
|
Arizona, California, Idaho, Montana, Utah
|
I-16 |
|
None |
Georgia
|
I-17 |
|
None |
Arizona
|
I-19 |
|
None |
Arizona
|
I-20 |
|
|
Alabama, Georgia, Louisiana, Mississippi, South Carolina, Texas
|
I-22 |
|
None |
Alabama, Mississippi
|
I-24 |
|
|
Georgia, Illinois, Kentucky, Tennessee
|
I-25 |
|
None |
Colorado, New Mexico, Wyoming
|
I-26 |
|
|
North Carolina, South Carolina, Tennessee
|
I-29 |
|
None |
North Dakota
|
I-30 |
|
|
Arkansas, Texas
|
I-35 |
|
|
Minnesota, Oklahoma, Texas
|
I-35E |
|
None |
Minnesota, Texas
|
I-35W |
|
None |
Minnesota, Texas
|
I-39 |
|
None |
Wisconsin
|
I-40 |
|
|
Arkansas, North Carolina, Oklahoma, Tennessee
|
I-41 |
|
None |
Illinois, Wisconsin
|
I-44 |
|
None |
Missouri, Oklahoma
|
I-49 |
|
None |
Arkansas, Louisiana, Missouri
|
I-55 |
|
|
Arkansas, Illinois, Mississippi, Missouri, Tennessee
|
I-57 |
|
None |
Illinois
|
I-59 |
|
|
Alabama, Georgia, Louisiana, Mississippi
|
I-64 |
|
|
Illinois, Indiana, Kentucky, Missouri, Virginia, West Virginia
|
I-65 |
|
|
Alabama, Indiana, Kentucky, Tennessee
|
I-66 |
|
None |
DC, Virginia
|
I-68 |
|
None |
Maryland, West Virginia
|
I-69 |
|
None |
Indiana, Kentucky
|
I-70 |
|
None |
Colorado, Illinois, Indiana, Maryland, Ohio, Utah
|
I-71 |
|
|
Kentucky, Ohio
|
I-72 |
|
None |
Illinois
|
I-73 |
|
None |
North Carolina
|
I-74 |
|
None |
Illinois, Indiana, Iowa, North Carolina, Ohio
|
I-75 |
|
|
Florida, Georgia, Kentucky, Michigan, Ohio, Tennessee
|
I-76 |
|
|
Colorado, New Jersey, Pennsylvania
|
I-77 |
|
None |
North Carolina, South Carolina, Virginia, West Virginia
|
I-78 |
|
|
None
|
I-79 |
|
None |
West Virginia
|
I-80 |
|
|
California, Illinois, Indiana, Iowa, Nebraska, Nevada, Ohio, Pennsylvania, Utah, Wyoming
|
I-81 |
|
|
Tennessee, Virginia
|
I-83 |
|
None |
Maryland, Pennsylvania
|
I-84 |
|
None |
Oregon, Utah
|
I-85 |
|
|
Alabama, Georgia, North Carolina, South Carolina, Virginia
|
I-86 |
|
None |
New York, Pennsylvania
|
I-89 |
|
None |
New Hampshire, Vermont
|
I-90 |
|
|
Illinois, Indiana, Massachusetts, Montana, New York, Ohio, Pennsylvania, South Dakota, Washington, Wyoming
|
I-91 |
|
None |
Connecticut
|
I-93 |
|
None |
Massachusetts, New Hampshire
|
I-94 |
|
|
Illinois, Indiana, Minnesota, North Dakota, Wisconsin
|
I-95 |
|
|
Delaware, Florida, Georgia, Maine, Maryland, Massachusetts, New Hampshire, New Jersey, New York, North Carolina, Rhode Island South Carolina, Virginia,
|
I-99 |
|
None |
Pennsylvania
|
I-PR3 |
|
None |
Puerto Rico
|