Greater Yellowstone GIS Data: Transportation
| Download Layer | Metadata | Data Type | Primary Source |
| 1:100,000 scale Major Roads for GYA (Interstates & US Hwys) | Metadata | vector | USGS |
| 1:100,000 scale Major Roads for Montana | Metadata | vector | 1990 TIGER/Line |
| 1:100,000 scale Roads for GYA (from DLGs) | Metadata | vector | USGS |
| 1:24,000 scale Roads for Grizzly Bear Recovery Zone | NA | vector | USFS |
| GPS Roads of Yellowstone National Park | Metadata | vector | YNP |