ID-21

I-84 West - Boise Next 5 Exits

Exit 57

8 signs

ID-21 West - Boise City Limit

ID-21 - Boise

1 sign

ID-21 East at Mores Creek Summit

ID-21 Boise County

1 sign

End Banks-Lowman Hwy. at ID-21

Lowman

4 signs

ID-21 South - Grandjean Jct.

ID-21 - Boise County

1 sign

ID-21 South - Avalanche Area

Blaine/Custer County Line

2 signs

ID-21 North - Ponderosa Pine Scenic Byway

ID-21 - Custer County

2 signs

ID-21 East - Entering Stanley

ID-21 - Stanley

1 sign

ID-75 South - Sawtooth Scenic Byway

ID-21/ID-75 Junction - Stanley

19 signs