Category talk:U.S. Route 66

New Mexico

 * State Road 118 (former Interstate 40 Business (Gallup, New Mexico))
 * State Road 122 (former Interstate 40 Business (Grants, New Mexico))
 * State Road 117
 * State Road 124
 * former Interstate 40 Business (Albuquerque, New Mexico)
 * Interstate 40 Business (Moriarty, New Mexico)
 * State Road 333
 * Interstate 40 Business (Santa Rosa, New Mexico)
 * Interstate 40 Business (Tucumcari, New Mexico)
 * State Road 93 (former)
 * older route
 * State Road 6
 * State Road 47
 * State Road 147
 * State Road 314
 * State Road 313
 * State Road 284
 * State Road 14
 * State Road 466
 * State Road 300
 * State Road 50
 * State Road 63
 * U.S. Highway 84

Texas

 * Business Interstate Highway 40-A/Interstate 40 Business (Glenrio, Texas) (former State Highway Spur 504)
 * Business Interstate Highway 40-B/Interstate 40 Business (Adrian, Texas) (former State Highway Loop 550)
 * Business Interstate Highway 40-C/Interstate 40 Business (Vega, Texas) (former State Highway Loop 551)
 * Business Interstate Highway 40-D/Interstate 40 Business (Amarillo, Texas) (former State Highway Loop 552)
 * State Highway Loop 279 (former U.S. Route 66 Business (Amarillo, Texas))
 * State Highway Loop 395 (former Business U.S. Highway 287-B/U.S. Route 287 Business (Amarillo, Texas)) - I think this was US 66 at one time
 * Farm to Market Road 2575
 * Farm to Market Road 2161
 * Business Interstate Highway 40-F/Interstate 40 Business (Groom, Texas) (former State Highway Loop 554)
 * State Highway Loop 271
 * Business Interstate Highway 40-H/Interstate 40 Business (McLean, Texas) (former State Highway Loop 555)
 * Business Interstate Highway 40-J/Interstate 40 Business (Shamrock, Texas) (former State Highway Loop 556)
 * State Highway Spur 30

Illinois

 * Illinois Route 159
 * Illinois Route 203
 * Illinois Route 157
 * Interstate 55 Business (Springfield, Illinois)
 * Interstate 55 Business (Lincoln, Illinois)
 * U.S. Route 136 (short piece)
 * U.S. Route 51 Business (Bloomington-Normal, Illinois)
 * Interstate 55 Business (Bloomington-Normal, Illinois)
 * U.S. Route 24 (short piece)
 * Illinois Route 23 (short piece)
 * Illinois Route 116 (short piece)
 * Illinois Route 53
 * Illinois Route 129
 * Illinois Route 59
 * Illinois Route 126
 * U.S. Route 34 (short piece)
 * Illinois Route 43 (short piece)
 * older route
 * Illinois Route 140 (short piece)
 * Illinois Route 4
 * Illinois Route 54

Pre-1926 numbers

 * California
 * Route 9, San Fernando??? to San Bernardino
 * Route 31, San Bernardino to Barstow
 * Route 58, Barstow to Arizona

unknown - did numbers exist pre-1926?
 * Arizona


 * New Mexico
 * State Road 6, Arizona to Los Lunas
 * State Road 1, Los Lunas to south of Las Vegas
 * State Road 56, south of Las Vegas to Santa Rosa
 * State Road 3, Santa Rosa to Texas


 * Texas
 * State Highway 13, New Mexico to Amarillo
 * State Highway 5, Amarillo to Washburn
 * State Highway 75, Washburn to Oklahoma


 * Oklahoma
 * State Highway 3, Texas to Oklahoma City
 * State Highway 7, Oklahoma City to Commerce
 * State Highway 39, Commerce to Kansas

unknown
 * Kansas


 * Missouri
 * Route 1F?, Kansas to Joplin
 * Route 1, Joplin to Carthage
 * Route 14, Carthage to Illinois


 * Illinois
 * Illinois Route 4, Missouri to Chicago (also Illinois Route 4A, Joliet to Chicago)