- Not to be confused with divided highway portions of the U.S. Highway system.
Some U.S. Routes are given directional suffixes to indicate a split of the main route — for instance, U.S. Route 25 splits into U.S. Route 25E (east) and U.S. Route 25W (west) between Newport, Tennessee and North Corbin, Kentucky, and U.S. Route 9W is an alternate of U.S. Route 9 between Fort Lee, New Jersey and Albany, New York. These splits were in the system of United States Numbered Highways from the beginning, and were used when two roughly-equivalent routes existed. The American Association of State Highway and Transportation Officials no longer assigns these numbers, and, in theory, current ones are to be eliminated "as rapidly as the State Highway Department and the Standing Committee on Highways can reach agreement". This policy was adopted by 1996, however, many of these routes still exist, mostly in Tennessee. [edit] List of routes - U.S. Route 6N, West Springfield, Pennsylvania (U.S. Route 20) to west of Mill Village, Pennsylvania (does not return to U.S. Route 6 at its west end)
- U.S. Route 9W, Fort Lee, New Jersey to Albany, New York
- U.S. Route 11E and U.S. Route 11W, Knoxville, Tennessee to Bristol, Virginia
- U.S. Route 19E and U.S. Route 19W, near Burnsville, North Carolina to Bluff City, Tennessee
- U.S. Route 25E and U.S. Route 25W, Newport, Tennessee to North Corbin, Kentucky
- U.S. Route 31E and U.S. Route 31W, Nashville, Tennessee to Louisville, Kentucky
- U.S. Route 45E and U.S. Route 45W, Three Way, Tennessee to South Fulton, Tennessee
- U.S. Route 49E and U.S. Route 49W, Yazoo City, Mississippi to Tutwiler, Mississippi
- U.S. Route 70N, Lebanon, Tennessee to Crossville, Tennessee
- U.S. Route 70S, east of Pegram, Tennessee to Sparta, Tennessee
[edit] Former routes | Route | Location | Replaced by | Notes | U.S. Route 2N
U.S. Route 2S | Arvilla, ND to Grand Forks, ND | U.S. Route 2 | Existed in 1931 | | U.S. Route 6N | Port Jervis, NY to Kingston, NY | U.S. Route 209 | Existed in 1928-1933 | | U.S. Route 6N | Erie, PA to Waterford, PA | Pennsylvania Route 97 | Existed in 1931-1935 | | U.S. Route 9E | Glens Falls, NY to Fort Lee, NJ | U.S. Route 9 | Existed in 1926-1930 | | U.S. Route 9W (1920s) | Keeseville, NY to Elizabethtown, NY | New York State Route 3, New York State Route 9N, and New York State Route 9W | 1928-1929 | U.S. Route 10N
U.S. Route 10S | Moorhead, MN to St. Cloud, MN | U.S. Route 10
U.S. Route 52 | Existed in 1926-1934 | U.S. Route 10N
U.S. Route 10S | Garrison, MT to Three Forks, MT | U.S. Route 12 and U.S. Route 287
U.S. Route 10 | Existed in 1928-1960 | U.S. Route 20N
U.S. Route 20S | Bridgewater Center, OH to Busy Corners, OH | U.S. Route 20
U.S. Route 20 and U.S. Route 20 Alternate | Existed in 1931-1935
Existed in 1933-1935 | U.S. Route 25E
U.S. Route 25W | Richmond, KY to Newport, KY | U.S. Route 27 and U.S. Route 227
U.S. Route 25 | Existed in 1926-1928 | | U.S. Route 26N | Bayard, NE to Broadwater, NE | U.S. Route 26 and U.S. Route 385 | Existed in 1934-1959 | U.S. Route 30N
U.S. Route 30S | Burley, ID to Granger, WY | U.S. Route 30
Interstate 80, Interstate 84, and U.S. Route 89 | Existed in 1926-1972 | | U.S. Route 30N | Huntington, OR to Fruitland, ID | U.S. Route 95, U.S. Route 95 Spur and U.S. Route 630 | Existed in 1926-1980 | | U.S. Route 30S | Ontario, OR to Nyssa, OR | U.S. Route 20 and U.S. Route 26 | Existed in 1938-1940 | U.S. Route 30N
U.S. Route 30S | Delphos, OH to Mansfield, OH | U.S. Route 30
State Route 309 and State Route 430 | Existed in 1932-1975
Existed in 1931-1975 | | U.S. Route 30S | Fremont, NE to Missouri Valley, IA | U.S. Route 6, U.S. Route 275, and U.S. Route 30 Alternate | Existed in 1931-1939 | U.S. Route 40N
U.S. Route 40S | Limon, CO to Manhattan, KS
Grand Junction, CO to Manhattan, KS | U.S. Route 24
U.S. Route 40 | Existed in 1926-1935 | U.S. Route 41E
U.S. Route 41W | Cass Station, GA to Chattanooga, TN | U.S. Route 27
U.S. Route 41 | Existed in 1930-1933
Existed in 1926-1934 | U.S. Route 41E
U.S. Route 41W | Hopkinsville, KY to Nashville, TN | U.S. Route 41
U.S. Route 41 Alternate | Existed in 1929-1943 | | U.S. Route 41E | Marietta, GA to Atlanta, GA | U.S. Route 41 | Existed in 1948 | U.S. Route 49E
U.S. Route 49W | Brooklyn, MS to Hattiesburg, MS | U.S. Route 49
Old U.S. Route 49 and Old U.S. Route 49W | Existed in 1930-1936 | U.S. Route 50N
U.S. Route 50S | Garden City, KS to Baldwin City, KS | U.S. Route 56 and U.S. Route 156
U.S. Route 50, U.S. Route 59, and U.S. Route 75 | Existed in 1926-1957 | U.S. Route 50N
U.S. Route 50S | Athens, OH to Ellenboro, WV | U.S. Route 50 Alternate
U.S. Route 50 | Existed in 1929-1935 | U.S. Route 67E
U.S. Route 67W | Morning Sun, AR to Judsonia, AR | U.S. Route 67
Arkansas Highway 385 | Existed in 1931-1949 | U.S. Route 67E
U.S. Route 67W | Arkadelphia, AR to Donaldson, AR | Arkansas Highway 51
U.S. Route 67 | Existed in 1931-1932 | U.S. Route 67E
U.S. Route 67W | North Little Rock, AR to Rixey, AR | U.S. Route 70 and U.S. Route 165
Arkansas Highway 107 | Existed in 1935-1960 | U.S. Route 67E
U.S. Route 67W | San Angelo, TX to Ballinger, TX | Houston Harte Expressway
U.S. Route 67 | Existed in 1970-2004 | U.S. Route 70N
U.S. Route 70S | Nashville, TN to Sparta, TN | U.S. Route 70 | Existed in 1929-1935 | | U.S. Route 70N | Randlett, OK to Wilson, OK | U.S. Route 277 | Existed in 1936-1938 | U.S. Route 73E
U.S. Route 73W | Oswego, KS to Horton, KS | U.S. Route 40, U.S. Route 69, U.S. Route 73, and K-96
U.S. Route 59, U.S. Route 159, U.S. Route 169, and U.S. Route 400 | Existed in 1926-1935 | U.S. Route 73E
U.S. Route 73W | Tekamah, NE to Winnebago, NE | U.S. Route 73 and U.S. Route 75
U.S. Route 77 and Nebraska Highway 32 | Existed in 1935-1957 | U.S. Route 78N
U.S. Route 78S | Heflin, AL to Villa Rica, GA | U.S. Route 78
U.S. Route 78 Alternate, Alabama State Route 46, Georgia State Route 61, and Georgia State Route 166 | Existed in 1926-1934 | | U.S. Route 80N | Abilene, TX to Metcalf Gap, TX | U.S. Route 80 Alternate, U.S. Route 180, and Texas State Highway 351 | Existed in 1931-1934 | | U.S. Route 85E | Mule Creek, WY to Lead, SD | U.S. Route 18, U.S. Route 85 Alternate, U.S. Route 385 | Existed in 1931-1937 | U.S. Route 87E
U.S. Route 87W | Armington, MT to Muddy Gap, WY | U.S. Route 87, Montana Secondary Highway 451, Wyoming Highway 196, and Wyoming Highway 220
U.S. Route 26, U.S. Route 89, U.S. Route 287, Wyoming Highway 138, and Wyoming Highway 789 | Existed in 1926-1939
Existed in 1926-1935 | U.S. Route 95E
U.S. Route 95W | Potlatch, ID to Coeur d'Alene, ID | U.S. Route 95 Alternate
U.S. Route 95 | Existed in 1927-1935
Existed in the 1930s | U.S. Route 99E
U.S. Route 99W | Portland, OR to Junction City, OR | Interstate 5, U.S. Route 99, and Oregon Route 99E
U.S. Route 99 Alternate and Oregon Route 99W | Existed in 1930-1972 | U.S. Route 99E
U.S. Route 99W | Sacramento, CA to Red Bluff, CA | Interstate 80, Interstate 80 Business, U.S. Route 99 Alternate, and California State Route 99
Interstate 5, Interstate 80, and U.S. Route 99 | Existed in 1928-1968 | U.S. Route 99E
U.S. Route 99W | Manteca, CA to Stockton, CA | U.S. Route 99 and California State Route 99
Interstate 5 and U.S. Route 50 | Existed in 1929-1933 | U.S. Route 101E
U.S. Route 101W | San Francisco, CA to San Jose, CA | Interstate 80, Interstate 880, U.S. Route 40/U.S. Route 50, andU.S. Route 101 Alternate
U.S. Route 101 | Existed in 1929-1935 | U.S. Route 101E
U.S. Route 101W | La Jolla, CA to San Diego, CA | Interstate 5 and U.S. Route 101
La Jolla Boulevard | Existed in 1934-1936 | | U.S. Route 112S | Rolling Prairie, IN to Union, MI | Indiana State Route 2, Indiana State Route 19, and Michigan State Route 205 | Existed in 1933-1934 | | U.S. Route 281S | Oberon, ND to Lallie, ND | 35th Street and 64th Avenue | Existed in 1939 | [edit] References
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