The following highways are numbered 55:
State Highway 55 is a state highway in western Oklahoma. It runs for 39.9 miles (64.2 km) from Carter, Oklahoma to the unincorporated community of Lake Valley. It has no lettered spur routes.
SH-55 begins at State Highway 34 in Carter, in eastern Beckham Co.. It heads east for six miles (10 km), where it meets State Highway 6 and overlaps it to the south. After running along the Beckham/Washita Co. line, it splits off to the east near Retrop. It then meets State Highway 44 in Sentinel. Seven miles later it meets US-183 in Rocky. It then terminates at State Highway 54 in Lake Valley.
State Highway 55 is an Idaho highway from Marsing to New Meadows, connecting with US-95 at both ends.
From Marsing it travels east to Nampa, Meridian, and Eagle, then north to Horseshoe Bend. SH-55 then climbs the Payette River to Banks, then its north fork to the Long Valley, through the towns of Cascade and McCall. After descending a narrow canyon to Meadows, SH-55 terminates in New Meadows at the junction with US-95.
In the southwest corner of Idaho, State Highway 55 starts at the junction with US-95, approximately 2 miles (3 km) west of Marsing. The highway heads eastward as it travels through Marsing, crosses the Snake River and the Snake River Valley AVA. The highway continues east to Nampa, where it meets Interstate 84 and US-30.
The highway is cosigned with those routes as it heads eastward to Meridian. Highway 55 turns northward at Eagle Road and crosses the Boise River near Eagle. The junction with SH-44 is in Eagle, where the routes are briefly cosigned.
(Chee chee-oo chee, chee chee-oo chee)
(Chee chee-oo chee, chee chee-oo chee)
Once on a tree top tall a little bird
(Chee chee-oo chee, chee chee-oo chee)
Sang out the sweetest song I ever heard
(Chee chee-oo chee, chee chee-oo chee)
(He sang to me so merrily)
(Chee chee-oo chee, chee chee-oo chee)
(The little birdie on the tree)
Life's such a lovely thing it seemed to say
(Chee chee-oo chee, chee chee-oo chee)
If you'd only sing your cares away
(Chee chee-oo chee, chee chee-oo chee)
Chee chee-oo chee so merrily it went along
(Chee chee-oo chee, chee chee-oo chee)
Chee chee-oo chee so happily his little song
(Chee chee-oo chee, chee chee-oo chee)
And so (and so) I sing (I sing)
Chee chee-oo chee the happy happy little thing
If you (if you) feel blue (feel blue)
Sing chee chee-oo chee and you can be as happy too
(Chee chee-oo chee, chee chee-oo chee)
(Chee chee-oo chee, chee chee-oo chee)
(Chee chee-oo chee, chee chee-oo chee)
Sing this happy little song
(Chee chee-oo chee, chee chee-oo chee)
(Chee chee-oo chee, chee chee-oo chee)
(Chee chee-oo chee, chee chee-oo chee)
Chee chee-oo chee
Chee chee-oo chee it sang to me so merrily
(Chee chee-oo chee, chee chee-oo chee)
Chee chee-oo chee the little birdie on the tree
(Chee chee-oo chee, chee chee-oo chee)
(If you feel blue)
Sing chee chee-oo chee, chee chee-oo chee and you can be as happy too
(Chee chee-oo chee, chee chee-oo chee)
(Chee chee-oo chee, chee chee-oo chee)
(Chee chee-oo chee, chee chee-oo chee)
Sing this happy little song