Talk:List of United States Numbered Highways/notes
- 1989
- US 31: Birmingham, AL, Niles, MI
- US 45: Fulton, KY
- US 45E: Fulton, KY
- US 45W: Fulton, KY
- US 51: Fulton, KY
- US 70: Statesville, NC, Garner, NC
- US 60: truncated from Benson, AZ to Anthony, NM
- US 117: Goldsboro, NC
- US 151: Cedar Rapids
- US 169: Owasso, OK
- US 278: Dallas, GA
- US 280: Birmingham, AL
- US 425: established from Pine Bluff, AR to Bastrop, LA
- US 501: Lynchburg, VA
- 1990
- US 15: Williamsport, PA
- US 19: Dahlonega, GA
- US 20: Elyria, OH
- US 23: Clarkesville, GA
- US 25: Greenwood, SC
- US 33: Marysville, OH
- US 35: Jackson, OH
- US 36: Highland, IL, Marysville, OH
- US 51: Bloomington, KS
- US 54: Mexico City, MO
- US 61: truncated from Canada to south of Duluth
- US 64: Mocksville, NC
- US 69: Pleasanton, KS
- US 70: Clayton, NC, Marion, NC
- US 74: Charlotte, NC
- US 75: Nebraska City, NE
- US 78: Hamilton, AL
- US 84: Elba, AL
- US 123: Clarkesville, GA
- US 129: Gainesville, GA
- US 178: Greenwood, SC, Orangeburg, SC
- US 189: Heber City, UT
- US 212: extended in Eden Prairie, MN
- US 219: Ebensburg, PA
- US 221: Marion, NC, Greenwood, SC
- US 278: Rockmart, GA
- US 280: Dadeville, AL
- US 321: Dallas, NC, Chester, SC
- US 331: truncated in Montgomery, AL
- US 411: Centre, AL
- US 421: Staley, NC
- US 441: Clarkesville, GA, Commerce, GA
- US 501: Marion, SC
- US 601: Mocksville, NC
- 1991
- US 17: Shallotte, NC
- US 20: Webster City, IA
- US 23: Norton, VA
- US 27: Cedartown, GA
- US 36: Springfield, IL
- US 64: Cary, NC
- US 70: Garner, NC
- US 73: Lowemont, KS
- US 75: Yates Center, KS
- US 76: Dalton, GA
- US 77: Lincoln, NE
- US 80: truncated from Anthony, NM to Dallas, TX
- US 81: truncated from Laredo, TX to northeast of Fort Worth, TX
- US 93: Missoula, MT
- US 129: Eatonton, GA
- US 169: Kansas City, MO
- US 180: truncated from Hudson Oaks, TX to Fort Worth, TX
- US 221: Linville, NC
- US 278: Cedartown, GA
- US 319: Fitzgerald, GA
- US 321: Johnson City, TN
- US 340: Charles Town, WV
- US 401: Garner, NC
- US 422: truncated in Ebensburg, PA
- US 431: Opelika, AL
- US 441: Eatonton, GA
- 1992
- US 6: Providence, RI
- US 8: Monico, WI
- US 10: Appleton, WI
- US 11: Stockholm Center, NY
- US 17: Bolivia, NC
- US 20: Iowa Falls, IA
- US 33: Buckhannon, WV
- US 35: Xenia, OH, Rio Grande, OH
- US 42: Xenia, OH, Ashland, OH
- US 52: Lexington, NC
- US 54: extended to new US 36 in IL
- US 60: Phoenix, AZ
- US 64: Statesville, NC, Bloomfield, NM
- US 74: Bolton, NC
- US 76: Bolton, NC
- US 80: Montgomery, AL
- US 82: Columbus, MS
- US 89: truncated from Mexico to Flagstaff, AZ
- US 93: extended in Wickenburg, AZ
- US 191: extended from Chambers, AZ to Mexico
- US 250: Ashland, OH
- US 264: Farmville, NC
- US 290: truncated from Kent to Junction
- US 301: Mount Pleasant, DE (still ended in the same place)
- US 340: Luray, VA
- US 666: truncated from Mexico to Lupton, AZ, then to Gallup, NM
- US 701: truncated from Charleston to Georgetown
- 1993
- US 7: Norwalk, CT
- US 10: 1986 truncation changed to be from Missoula, MT to West Fargo, ND
- US 17: Fort Wentworth, GA
- US 27: Bremen, GA, Buchanan, GA
- US 29: Athens, GA
- US 40: Uniontown, PA
- US 42: Cincinnati, OH
- US 50: Xenia, IL
- US 51: Tomahawk, WI
- US 54: Tucumcari, NM
- US 58: Martinsville, VA
- US 64: Jamesville, NC
- US 67: Alton, IL
- US 70: Durham, NC, Haw River, NC
- US 78: Athens, GA
- US 84: Espanola, NM
- US 212: Belle Fourche, SD
- US 218: Cedar Falls, IA
- US 341: Eastman, GA
- US 460: Appomattox, VA
- 1994
- US 1: Waycross, GA
- US 6: Moark Junction
- US 10: extended in Manitowoc
- US 17: Pocotaligo, SC
- US 23: Waycross, GA
- US 27: Attapulgus, GA, Cuthbert, GA, Blakely, GA
- US 29: Andalusia, AL
- US 30: Upper Sandusky, OH, East Liverpool, OH
- US 33: Buckhannon, WV
- US 45: Meridian, MS
- US 52: St. Paul, MN, Dubuque, IA
- US 59: Fergus Falls, MN
- US 61: Dubuque, IA
- US 64: Tulsa, OK
- US 67: Alton, IL
- US 74: Asheville, NC
- US 75: Omaha, NE
- US 82: Albany, GA
- US 84: Andalusia, AL
- US 119: Holden, WV
- US 127: Hamilton, OH
- US 151: Dubuque, IA
- US 158: Murfreesboro, NC
- US 166: Sedan, KS
- US 167: Alexandria, LA
- US 169: extended in Tulsa, OK
- US 220: Altoona, PA
- US 250: Buckhannon, WV
- US 258: Murfreesboro, NC
- US 264: Greenville, NC
- US 301: Frogtown Crossing, DE
- US 319: Thomasville, GA
- US 371: established from DeQueen, AR to Evelyn, LA
- US 400: established from Joplin, MO to Garden City, KS
- US 412: extended from Woodward, OK to Springer, NM; Chouteau, OK
- US 422: Indiana, PA
- US 601: Mount Airy, NC
Only extensions and truncations are listed after this.
- 1995
none
- 1996
- US 151: extended from Cedar Rapids, IA to Williamsburg, IA
- US 400: extended from Garden City, KS to Granada, CO
- 1997
- US 33: truncated from Niles, MI to Elkhart, IN
- US 191: extended from Malta, MT to Canada
- US 278: extended from Nettleton, MS to Wickes, AR
- 1998
- US 550: truncated from Farmington, NM to Aztec, NM and extended to Bernalillo, NM
- 1999
- US 27: truncated from Higgins Lake, MI to Lansing, MI and to Fort Wayne, IN
- US 63: truncated from Memphis, TN to West Memphis, AR and extended to Ruston, LA
- US 127: extended from Lansing, MI to Higgins Lake, MI
- 2000
- US 58: extended into TN
- 2001
- US 401: extended from Norlina, NC to Paschall, NC
- 2002
- US 48: established from Weston, WV to Strasburg, VA
- US 76: truncated and extended in Chattanooga, TN
- US 117: extended at Wilson, NC
- US 425: extended in Pine Bluff
- 2003
- US 311: extended from Madison, NC to Eden, NC
- US 521: truncated in Charlotte, NC
- US 666: renumbered US 491
- 2004
none
- 2005
- US 26: truncated from Astoria, OR to Cannon Beach Junction, OR
- US 65: truncated from Clayton, LA to Natchez, MS
- US 121: established from Pound, VA to Beckley, WV
- US 425: extended from Bastrop, LA to Natchez, MS
- 2006
- US 197: truncated from Maryhill, WA to SR 14 (18 mi)
- 2007
- US 160: truncated at Poplar Bluff, MO