Common: US 14-16-20
Yellowstone, east entrance. West end US 14 (1935-present); US 16 (1965-present); and "eastern" US 20 (1926-present) since US routes do not exist within the National Park boundary.
US 185 south end, 1926-1936
Cheyenne (north)
US 185 north end, 1926-1936
Orin (approximate location - original alignments have been vacated)
US 26 west end, 1926-1948
near Guernsey
US 26 west end, 1948-1951
Alpine
US 285 [I] north end, 1926-1935
Laramie
US 87 south end, 1926-1935
Rawlins
US 187 south end, 1926-1982
Rock Springs
US 187 north end, 1926-1950s
Jackson Lake Jct.
US 187 north end, 1950s-1982
Moran Jct. (this is also the current south interruption point for US 89, 191, and 287)
US 287 north end, 1935-1965
Yellowstone NP south entrance (also the historic interruption point for US 89, 191, and 287).
US 189 north end, 1939-1951
Daniel Jct.
US 189 north end, 1951-present
Jackson
Common: US 14-116-420
Cody. West end US 420 (1926-1933); US 116 (1933-1934); US 14 (1934-1935).
US 116 west end, 1926-1933
Sheridan
US 116 east end, 1926-1934
Ucross
US 420 east end, 1926-1933
Deaver
US 16 west end, 1926-1965
Worland
US 310 east end, 1926-present
near Greybull
US 216 west end, 1930-1934
Moorcroft
US 216 east end, 1930-1933
Newcastle
US 18 west end, 1926-1950s(?)
Mule Creek Jct. (old)
US 18 west end, 1950s(?)-1970
Mule Creek Jct. (new)
US 320 east end, 1926-1938
Shoshoni
US 320 west end, 1926-1938
Riverton