in Newport, OR
near Williams, IA
at Albany, OR
at Idaho Falls, ID
in Boston, MA
in Waltham, MA
in Gary, IN
autostrada statunitense
weg in de Verenigde Staten
West
Amerika Birleşik Devletleri'de numaralandırılmış otoyol
Highway in den Vereinigten Staaten
near Albany, NY
autoroute américaine
kust-till-kust väg i USA
Autoestrada dos Estados Unidos
in Erie, PA
at Hodgkins, IL
East
USA
U.S. Numbered Highway in the United States
bóthar mór sna Stáit Aontaithe
yes
at Casper, WY
US 20 highlighted in red; the gap represents the unofficial segment through Yellowstone National Park
כביש בארצות הברית
in Perrysburg, OH
jalan di Amerika Serikat
U.S. Route 20
طريق الولايات المتحدة 20
U.S. Highway 20
국도 제20호선 (미국)
U.S. Route 20 (Nebraska)
20号美国国道
Автошлях США 20