Drive section
Arco, Carey, Picabo, and Fairfield
Route 20 interior Idaho segment carrying the current guide west from Arco through Carey and Picabo to Fairfield.
Arco, Carey, Picabo, and Fairfield
This segment is the current interior Idaho continuation on the site beyond the earlier Rexburg, Idaho Falls, and Arco build.
Quick orientation
- Anchors: Arco, Carey, Picabo, and Fairfield
- Best for: travelers who want the clearest current next step west across Idaho after the stronger Rexburg and Idaho Falls stretch
- Trip fit: a longer through-drive, a broader central Idaho weekend, or a way to make the current Idaho pages feel more like a real cross-state run
- Map ID:
arco-carey-picabo-fairfield
Why drive this stretch
Drive this stretch when you want Idaho to feel longer, more open, and more like a true western state crossing instead of a shorter gateway build. Arco gives the route a practical handoff from the earlier central Idaho pages, Carey and Picabo keep the corridor legible through smaller stops, and Fairfield gives the current live Idaho build a clearer handoff into the newer west-approach continuation toward Mountain Home, Boise, and Caldwell.
Best next pages
Use the Idaho weekend first
Arco to Fairfield Route 20 Weekend
Use the trip page first if you want the easiest way to turn this new Idaho stretch into a practical outing.
Use the transition town
Arco
Use Arco when you want the clearest handoff from the earlier central Idaho build into this broader interior continuation.
Use the middle Idaho stop
Carey
Use Carey when you want the strongest practical smaller stop between Arco and the current westward edge.
Use the west-approach handoff
Fairfield
Use Fairfield when you want the clearest handoff from this interior Idaho stretch into the newer west-approach continuation.