Wikipedia:WikiProject U.S. Roads/U.S. Routes/All-time master list

Obviously this doesn't have everything that existed in plans between the 1925 plan and the "final" 1926 map, but it should have everything else. US 121 in Ohio may have been one of those.

Name (on us-highways)	Years (on us-highways)	Link	Notes
US 1	1925-present	U.S. Route 1
US 201	1925-present	U.S. Route 201
US 301 [I]	1925-1926	U.S. Route 301 (1925)	became part of US 17 in 1926
US 301 [II]	1926-present	U.S. Route 301
US 401	1925-1926	U.S. Route 401 (1925)	became part of US 15 in 1926; part reverted to US 401 in 1927
US 401 [I]	1927-1931	U.S. Route 401 (1927)
US 401 [II]	1932-1934	U.S. Route 401 (1930s)	later partly replaced by US 401 [III]
US 401 [III]	1957-present	U.S. Route 401
US 501	1925-present	U.S. Route 501
US 601	1926-present	U.S. Route 601
US 701	1932-present	U.S. Route 701
US 2 [I] [II]	1925-present	U.S. Route 2
US 102	1925-1926	U.S. Route 102 (1925)	became part of US 41 in 1926
US 102	1926-1928	U.S. Route 102
US 202	1934-present	U.S. Route 202
US 302	1935-present	U.S. Route 302
US 3	1925-present	U.S. Route 3
US 4	1925-present	U.S. Route 4
US 104	1934-1971	U.S. Route 104
US 5	1925-present	U.S. Route 5
US 6	1925-present	U.S. Route 6
US 106	1926-1973	U.S. Route 106
US 206	1934-present	U.S. Route 206
US 7	1925-present	U.S. Route 7
US 8	1926-present	U.S. Route 8
US 208	1934	U.S. Route 208
US 9 [I] [II]	1925-present	U.S. Route 9
US 109	1925-1927	U.S. Route 109
US 209	1926-present	U.S. Route 209
US 309	1926-1967	U.S. Route 309
US 10 [I] [II]	1925-present	U.S. Route 10
US 110	1925-1926	U.S. Route 110 (1925)	became US 112 in 1926
US 110	1926-1938	U.S. Route 110
US 210	1925-1972	U.S. Route 210
US 310	1925-present	U.S. Route 310
US 410	1925-1967	U.S. Route 410
US 11	1925-present	U.S. Route 11
US 111	1925-1963	U.S. Route 111
US 211	1925-present	U.S. Route 211
US 311	1925-present	U.S. Route 311
US 411 [I]	1925-1932	U.S. Route 411 (1925)
US 411 [II]	1932-1934	U.S. Route 411 (1930s)
US 411 [III]	1934-present	U.S. Route 411
US 511	1925-1929	U.S. Route 511
US 611	1926-1972	U.S. Route 611
US 711	1926-1927	U.S. Route 711
US 12	1925-present	U.S. Route 12
US 112	1925-1926	U.S. Route 112 (1925)	became US 110 in 1926
US 112	1926-1961	U.S. Route 12
US 212	1926-present	U.S. Route 212
US 312	1960-1981	U.S. Route 312
US 412	1982-present	U.S. Route 412
US 13	1925-present	U.S. Route 13
US 113	1925-present	U.S. Route 113
US 213	1926-1973	U.S. Route 213
US 14	1925-present	U.S. Route 14
US 15	1925-1926	U.S. Route 15 (1925)	became US 17-1 in 1926
US 15	1926-present	U.S. Route 15
US 16 [I] [II]	1925-present	U.S. Route 16
US 116	1926-1934	U.S. Route 116
US 216	1930-1934	U.S. Route 216
US 17	1925-present	U.S. Route 17
US 17-1	1926-1932	U.S. Route 17-1
US 117 [I]	1926-1932	U.S. Route 117 (1926)
US 117 [II]	1932-present	U.S. Route 117
US 217	1926-1932	U.S. Route 217
US 18	1925-present	U.S. Route 18
US 118	1925-1937	U.S. Route 118
US 218	1925-present	U.S. Route 218
US 19	1925-present	U.S. Route 19
US 119	1926-present	U.S. Route 119
US 219	1926-present	U.S. Route 219
US 319	1933-present	U.S. Route 319
US 20 [I] [II]	1925-present	U.S. Route 20
US 120	1925-1926	U.S. Route 120 (1925)	became US 320 in 1926
US 120	1926-1967	U.S. Route 120
US 220	1925-1926	U.S. Route 220 (1925)	became US 420 in 1926
US 220	1926-present	U.S. Route 220
US 320	1925-1926	U.S. Route 320 (1925)	became US 630 in 1926
US 320	1926-1939	U.S. Route 320
US 420	1925-1926	U.S. Route 420 (1925)	became US 730 in 1926
US 420	1926-1933	U.S. Route 420
US 21	1925-present	U.S. Route 21
US 121 [I]	1926-1934	U.S. Route 121 (1926)
US 121 [II]	2005-present	U.S. Route 121
US 221	1930-present	U.S. Route 221
US 321	1930-present	U.S. Route 321
US 421	1930-present	U.S. Route 421
US 521	1932-present	U.S. Route 521
US 22	1925-present	U.S. Route 22
US 122	1926-1934	U.S. Route 122 (1926)
US 122	1935-1963	U.S. Route 122
US 222	1926-present	U.S. Route 222
US 322	1926-present	U.S. Route 322
US 422 [I] [II]	1926-present	U.S. Route 422
US 522	1926-present	U.S. Route 522
US 622	1926-1927	U.S. Route 622
US 23	1925-present	U.S. Route 23
US 123 [I]	1930-1934	U.S. Route 123 (1930s)
US 123 [II]	1937	U.S. Route 123
US 223	1930-present	U.S. Route 223
US 24	1925-present	U.S. Route 24
US 124	1925-1938	U.S. Route 124
US 224	1933-present	U.S. Route 224
US 25	1925-present	U.S. Route 25
US 425	1989-present	U.S. Route 425
US 26	1925-present	U.S. Route 26
US 126	1952-1972	U.S. Route 126
US 27	1925-present	U.S. Route 27
US 127	1925-present	U.S. Route 127
US 227	1928-1972	U.S. Route 227
US 28	1925-1952	U.S. Route 28
US 29	1925-present	U.S. Route 29
US 129	1926-present	U.S. Route 129
US 30	1925-present	U.S. Route 30
US 130	1925-present	U.S. Route 130
US 230	1925-present	U.S. Route 230
US 330	1925-present	U.S. Route 330
US 430	1925-present	U.S. Route 430
US 530	1925-1926	U.S. Route 530 (1925)	became part of US 30N in 1926
US 530	1926-1938	U.S. Route 530
US 630 [I]	1925-1926	U.S. Route 630 (1925)	became part of US 30S in 1926
US 630 [II]	1926-1927?	U.S. Route 630
US 730	1926-present	U.S. Route 730
US 830	1926-1968	U.S. Route 830
US 31	1925-present	U.S. Route 31
US 131	1925-present	U.S. Route 131
US 231	1925-present	U.S. Route 231
US 331 [I]	1926-1936	U.S. Route 331 (1926)
US 331 [II]	1953-present	U.S. Route 331
US 431	1954-present	U.S. Route 431
US 32	1925-1934	U.S. Route 32
US 33	1937-present	U.S. Route 33
US 34	1925-present	U.S. Route 34
US 35	1934-present	U.S. Route 35
US 36	1925-present	U.S. Route 36
US 136	1951-present	U.S. Route 136
US 37	1935-1944	U.S. Route 37
US 38	1925-1931	U.S. Route 38
US 138	1925-present	U.S. Route 138
US 39
US 40	1925-present	U.S. Route 40
US 140	1925-1926	U.S. Route 140 (1925)	became part of US 40 in 1926
US 140	1926-1980	U.S. Route 140
US 240	1925-1971	U.S. Route 240
US 340	1925-1926	U.S. Route 340 (1925)	became part of US 40S in 1926
US 340	1926-present	U.S. Route 340
US 41	1925-present	U.S. Route 41
US 141	1925-present	U.S. Route 141
US 241 [I]	1925-1930	U.S. Route 241 (1925)
US 241 [II]	1930-1954	U.S. Route 241
US 341	1925-present	U.S. Route 341
US 441	1925-present	U.S. Route 441
US 541	1931-1951	U.S. Route 541
US 641	1935-present	U.S. Route 641
US 42	1925-present	U.S. Route 42
US 43	1934-present	U.S. Route 43
US 143	1935-1944	U.S. Route 143
US 44	1934-present	U.S. Route 44
US 45	1925-present	U.S. Route 45
US 46	1925-1926	U.S. Route 46 (1925)	became part of US 40S in 1926
US 46	1935-present	U.S. Route 46
US 47
US 48 [I]	1925-1931	U.S. Route 48 (1925)
US 48 [II]	1975-1989	U.S. Route 48 (Maryland-West Virginia)
US 48 [III]	2002-present	U.S. Route 48
US 49	1925-present	U.S. Route 49
US 50	1925-present	U.S. Route 50
US 150	1925-present	U.S. Route 150
US 250 [I]	1925-1926	U.S. Route 250 (1925)	became US 50S in 1926
US 250 [II]	1928-present	U.S. Route 250
US 350	1925-present	U.S. Route 350
US 450	1925-1939	U.S. Route 450
US 550	1925-present	U.S. Route 550
US 650	1926-1936	U.S. Route 650
US 51	1925-present	U.S. Route 51
US 151	1925-present	U.S. Route 151
US 52	1925-present	U.S. Route 52
US 152	1934-1938	U.S. Route 152
US 53	1925-present	U.S. Route 53
US 54	1925-present	U.S. Route 54
US 154	1926-1982	U.S. Route 154
US 55	1926-1934	U.S. Route 55
US 56	1957-present	U.S. Route 56
US 156	1957-1982	U.S. Route 156
US 57	1970-present	U.S. Route 57
US 58	1931-present	U.S. Route 58
US 158	1932-present	U.S. Route 158
US 258	1932-present	U.S. Route 258
US 59 [I]	1934	U.S. Route 59 (1934) not definite that this is the right year
US 59 [II]	1935-present	U.S. Route 59
US 159	1935-present	U.S. Route
US 259	1963-present	U.S. Route
US 60	1925-1926	U.S. Route 60 (1925)	became US 66 in 1926
US 60	1926-present	U.S. Route 60
US 160	1925-1926	U.S. Route 160 (1925)	became US 166 in 1926
US 160	1930-present	U.S. Route 160
US 260	1925-1926	U.S. Route 260 (1925)	became US 266 in 1926
US 260	1931-1962	U.S. Route 260
US 360	1925-1926	U.S. Route 360 (1925)	became US 366 in 1926
US 360	1933-present	U.S. Route 360
US 460	1925-1926	U.S. Route 460 (1925)	became US 570 in mid-1926 [1]
US 460	1933-present	U.S. Route 460
US 560	1925-1926	U.S. Route 560	became US 660 in early 1926 [2]
US 660	1926	U.S. Route 660	became US 666 in mid-1926 [3]
US 61	1925-present	U.S. Route 61
US 161	1925-1934	U.S. Route 161
US 62	1925-1926	U.S. Route 62 (1925)	became part of US 60 in 1926
US 62	1930-present	U.S. Route 62
US 63	1925-present	U.S. Route 63
US 163 [I]	1934-1937	U.S. Route 163 (Iowa)
US 163 [II]	1971-present	U.S. Route 163
US 64	1925-present	U.S. Route 64
US 164 [I]	1928-1930	U.S. Route 164 (1920s)
US 164 [II]	1966-1970	U.S. Route 164
US 264	1932-present	U.S. Route 264
US 65	1925-present	U.S. Route 65
US 165	1925-present	U.S. Route 165
US 66	1926-1985	U.S. Route 66
US 166	1926-present	U.S. Route 166
US 266	1926-present	U.S. Route 266
US 366 [I]	1926-1932	U.S. Route 366 (1926)
US 366 [II]	1931-1939	U.S. Route 366
US 466 [II]	1933-1971	U.S. Route 466
US 566	1926-1931	U.S. Route 566
US 666	1926-2003	U.S. Route 666
US 67	1925-present	U.S. Route 67
US 167	1926-present	U.S. Route 167
US 68	1926-present	U.S. Route 68
US 168	1926-1934	U.S. Route 168
US 69	1925-present	U.S. Route 69
US 169	1930-present	U.S. Route 169
US 70	1925-present	U.S. Route 70
US 170	1925-1931	U.S. Route 170
US 270	1925-1926	U.S. Route 270 (1925)	became part of US 19 in 1926
US 270 [I]	1926-1929	U.S. Route 270 (1926)
US 270 [II]	1930-present	U.S. Route 270
US 370	1925-1926	U.S. Route 370 (1925)	became part of US 85 in 1926
US 370	1926-1939	U.S. Route 370
US 470	1925-1931	U.S. Route 470
570	1926	U.S. Route 570	became part of US 85 in late 1926 [4]
US 71	1925-present	U.S. Route 71
US 171	1926-present	U.S. Route 171
US 271	1926-present	U.S. Route 271
US 371 [I]	1931-1971	U.S. Route 371 (1931) not definite that this is the right year
US 371 [II]	1994-present	U.S. Route 371
US 72	1926-present	U.S. Route 72
US 73	1925-present	U.S. Route 73
US 74	1925-present	U.S. Route 74
US 75	1925-present	U.S. Route 75
US 175	1931-present	U.S. Route 175
US 275	1931-present	U.S. Route 275
US 76	1925-present	U.S. Route 76
US 176	1926-present	U.S. Route 176
US 276	1932-present	U.S. Route 276
US 77	1925-present	U.S. Route 77
US 177	1927-present	U.S. Route 177
US 277	1928-present	U.S. Route 277
US 377	1930-present	U.S. Route 377
US 78	1925-present	U.S. Route 78
US 178	1932-present	U.S. Route 178
US 278	1952-present	U.S. Route 278
US 378	1952-present	U.S. Route 378
US 79	1935-present	U.S. Route 79
US 80	1925-present	U.S. Route 80
US 180 [I]	1925-1935	U.S. Route 180 (1925)
US 180 [II]	1943-present	U.S. Route 180
US 280	1925-1926	U.S. Route 280 (1925)	became part of US 89 in 1926
US 280	1931-present	U.S. Route 280
US 380	1925-1926	U.S. Route 380 (1925)	became part of US 89 in 1926
US 380	1932-present	U.S. Route 380
US 81	1925-present	U.S. Route 81
US 181	1925-1926	U.S. Route 181 (1925)
US 181	1926-present	U.S. Route 181
US 281	1931-present	U.S. Route 281
US 82	1932-present	U.S. Route 82
US 83	1926-present	U.S. Route 83
US 183	1930-present	U.S. Route 183
US 283	1931-present	U.S. Route 283
US 383	1941-1982	U.S. Route 383
US 84	1926-present	U.S. Route 84
US 85	1925-present	U.S. Route 85
US 185	1925-1926	U.S. Route 185 (1925)	became US 285 in 1926
US 185	1926-1934	U.S. Route 185
US 285	1925-1926	U.S. Route 285 (1925)	became US 385 in mid-1926 [5]
US 285 [I]	1926-1934	U.S. Route 285 (1926)
US 285 [II]	1934-present	U.S. Route 285
US 385	1926	U.S. Route 385 (mid-1926)	became part of US 85 in late 1926 [6]
US 385 [I]	1926-1935	U.S. Route 385 (1926)
US 385 [II]	1958-present	U.S. Route 385
US 485	1926-1931	U.S. Route 485
US 86
US 87	1925-present	U.S. Route 87
US 187	1925-1926	U.S. Route 187 (1925)	became US 87E in 1926
US 187	1926-?	U.S. Route 187
US 287 [I] [II]	1934-present	U.S. Route 287
US 88
US 89 [I] [II]	1925-present	U.S. Route 89
US 189 [I]	1928-1938	U.S. Route 189 (1930s)
US 189 [II]	1938-present	U.S. Route 189
US 90	1925-present	U.S. Route 90
US 190	1925-present	U.S. Route 190
US 290	1926-present	U.S. Route 290
US 91	1925-present	U.S. Route 91
US 191	1925-1926	U.S. Route 191 (1925)	became part of US 30S in 1926
US 191 [I] [II]	1926-present	U.S. Route 191
US 491	2003-present	U.S. Route 491
US 92	1925-present	U.S. Route 92
US 192	1925-present	U.S. Route 192
US 93	1926-present	U.S. Route 93
US 94	1925-1949	U.S. Route 94
US 95	1925-present	U.S. Route 95
US 195	1926-present	U.S. Route 195
US 295	1926-present	U.S. Route 295
US 395	1926-present	U.S. Route 395
US 96 [I]	1925-1939	U.S. Route 96 (1925)
US 96 [II]	1939-present	U.S. Route 96
US 97 [I] [II] [III]	1925-present	U.S. Route 97
US 197	1952-present	U.S. Route 197
US 98	1933-present	U.S. Route 98
US 99	1925-1972	U.S. Route 99
US 199	1925-present	U.S. Route 199
US 299	1934-1964	U.S. Route 299
US 399	1934-1964	U.S. Route 399
US 400	1997-present	U.S. Route 400
US 101	1925-present	U.S. Route 101