Indian Reservation Roads Inventory (IRR) Archive
Alaska (.pdf)- 879 KB
Eastern (.pdf)- 422 KB
Eastern Oklahoma (.pdf)- 1,051 KB
Great Plains (.pdf)- 600 KB
Midwest (.pdf)- 812 KB
Navajo (.pdf)- 528 KB
Northwest (.pdf)- 687 KB
Pacific (.pdf)- 309 KB
Rocky Mountain (.pdf)- 418 KB
Southern Plains (.pdf)- 386 KB
Southwest (.pdf)- 422 KB
Western (.pdf)- 68 KB
Regions
Click the map to view our regions and their office contact information and the tribes served by that region