The US highways you can follow across the most states
I-95 has cameras in 12 states. To follow it end to end on official websites, you would need to open 12 separate sites.
The United States has no national traffic camera network. Each state's Department of Transportation operates its own, publishes it on its own website and covers only its own territory. This becomes a limitation when the road you are following continues into another state.
A long interstate is the clearest example: the same highway and the same trip, divided among several websites that are not connected to each other.
Routes by number of states with cameras
| Route | States | Cameras | Where |
|---|---|---|---|
| I-95 | 12 | 1,418 | Connecticut, Florida, Georgia, Massachusetts, Maryland, Maine… |
| US-6 | 12 | 144 | California, Colorado, Iowa, Illinois, Indiana, Massachusetts… |
| I-90 | 11 | 662 | Idaho, Illinois, Massachusetts, Minnesota, Montana, New York… |
| US-50 | 10 | 260 | California, Colorado, Indiana, Kansas, Maryland, Missouri… |
| US-12 | 10 | 190 | Idaho, Illinois, Indiana, Michigan, Minnesota, Montana… |
| I-80 | 9 | 733 | California, Iowa, Illinois, Indiana, Nebraska, Nevada… |
| I-70 | 9 | 635 | Colorado, Illinois, Indiana, Kansas, Maryland, Missouri… |
| I-10 | 8 | 1,028 | Alabama, Arizona, California, Florida, Louisiana, Mississippi… |
| US-1 | 8 | 318 | Florida, Massachusetts, Maryland, Maine, North Carolina, New Hampshire… |
| US-2 | 8 | 175 | Idaho, Maine, Michigan, Minnesota, Montana, North Dakota… |
| US-20 | 8 | 152 | Iowa, Idaho, Illinois, Indiana, Massachusetts, Nebraska… |
| I-94 | 7 | 728 | Illinois, Indiana, Michigan, Minnesota, Montana, North Dakota… |
| I-40 | 7 | 543 | Arizona, California, North Carolina, New Mexico, Oklahoma, Tennessee… |
| I-84 | 7 | 371 | Connecticut, Idaho, New York, Oregon, Pennsylvania, Utah… |
| US-30 | 7 | 177 | Iowa, Idaho, Illinois, Indiana, Nebraska, Ohio… |
| I-295 | 7 | 154 | Florida, Massachusetts, Maryland, Maine, New York, Pennsylvania… |
| US-52 | 7 | 153 | Illinois, Indiana, Minnesota, North Carolina, North Dakota, Ohio… |
| US-41 | 7 | 119 | Florida, Georgia, Illinois, Indiana, Kentucky, Michigan… |
| I-75 | 6 | 1,362 | Florida, Georgia, Kentucky, Michigan, Ohio, Tennessee |
| I-15 | 6 | 597 | Arizona, California, Idaho, Montana, Nevada, Utah |
| I-20 | 6 | 341 | Alabama, Georgia, Louisiana, Mississippi, South Carolina, Texas |
| US-24 | 6 | 103 | Colorado, Illinois, Indiana, Kansas, Michigan, Ohio |
| US-69 | 6 | 64 | Iowa, Kansas, Missouri, North Carolina, Oklahoma, Texas |
| I-85 | 5 | 480 | Alabama, Georgia, North Carolina, South Carolina, Virginia |
| I-35 | 5 | 479 | Iowa, Kansas, Minnesota, Missouri, Oklahoma |
How we measured
A camera is assigned to a route when the DOT's own name for it includes that route (“I-80 EB @ Mile 122”). We count only routes with at least 50 cameras, so that a single mention of a highway does not create a corridor.
“States” means the states where that route has at least one published camera, not the states the road crosses, which are usually more. A state with no cameras on a highway does not appear.
Follow a route end to end
Roadze combines each route across every state it crosses, in driving order.