Unlike most of the nation's public roads, which are managed by state departments of transportation, federal lands roads are maintained by various tribal and federal agencies. (fhwa.dot.gov)
Also check if your pet has been killed along the highway by calling city, state, or county departments of transportation to see if they have any information. (pgspca.org)
To find out if your pet has suffered such an unfortunate event you have to check with your local department of transportation. (nationalpetregister.org)