US highways 20-29, with branch routes3-digit "branch" routes are listed under their 2-digit "main" route. Highways shown in italics have been decommissioned.
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US 20US 21US 22
US 29
- US 122 [i] (original)
- US 122 [ii] (second)
- US 222
- US 322
- US 422 (eastern segment)
- US 422 (western segment)
- US 522
- US 622 (approved in 1926 but changed to a different number before it was ever signposted)
- US 425 (actually an anomalous number, not a branch of US 25)
US 29
Page originally created 1998;
last updated Jan. 23, 2019.
last updated Jan. 23, 2019.
