In 1928, the U.S. state

U.S. state

A U.S. state is any one of the 50 federated states of the United States of America that share sovereignty with the federal government. Because of this shared sovereignty, an American is a citizen both of the federal entity and of his or her state of domicile. Four states use the official title of...

 of Virginia

Virginia

The Commonwealth of Virginia , is a U.S. state on the Atlantic Coast of the Southern United States. Virginia is nicknamed the "Old Dominion" and sometimes the "Mother of Presidents" after the eight U.S. presidents born there...

 renumbered many of its state highways. This renumbering was caused by a new law that greatly increased the state highway mileage. The old system, in which three-digit routes were spurs of two-digit routes, was unwieldy for a large number of routes, and so a new system, in which three-digit routes were assigned by district, was adopted.

Two-digit routes, 10-55

New	Old	Notes
SR 10	SR 10
SR 11	SR 11
SR 12	SR 12
SR 13	SR 13
SR 14	SR 14
SR 15	SR 15
SR 16	SR 16
SR 17	SR 17
SR 18	SR 18
SR 19	SR 19
SR 20	SR 20
SR 21	SR 21
SR 22	SR 22 and SR 143
SR 23	SR 23
SR 24	SR 24
SR 25	SR 25 and SR 315
SR 26	SR 26
SR 27	SR 27
SR 28	SR 28
SR 29	SR 29 and SR 131
SR 30	SR 30
SR 31	SR 31
SR 32	SR 32
SR 33	SR 33
SR 34	SR 34
SR 35	SR 35
SR 36	SR 36
SR 37	SR 37
SR 38	SR 38 and part of SR 291
SR 39	SR 39
SR 40	SR 40
SR 41	SR 41
SR 42	new
SR 43	new
SR 44	part of SR 201
SR 45	new
SR 46	new
SR 47	part of SR 323
SR 48	SR 351
SR 49	new
SR 50	SR 311
SR 51	SR 312
SR 52	new
SR 53	new
SR 54	part of SR 251
SR 55	SR 373

District 1

New	Old	Notes
SR 100	SR 107
SR 101	new
SR 102	new
SR 103	SR 1010
SR 104	new
SR 105	new
SR 106	SR 115 and SR 116
SR 107	new
SR 108	SR 102
SR 109	new
SR 110	SR 106
SR 111	new	a small piece had been SR 125
SR 112	SR 105
SR 113	new
SR 114	new
SR 115	new
SR 116	SR 121
SR 117	new
SR 118	new
SR 119	new
SR 120	SR 119 and part of SR 1141
SR 121	part of SR 114 and part of SR 1141
SR 122	part of SR 114
SR 123	SR 113
SR 124	new
SR 125	SR 118
SR 126	SR 111
SR 127	new
SR 128	SR 117
SR 129	SR 123
SR 130	new
SR 131	SR 112

District 2

New	Old	Notes
SR 200	new
SR 201	SR 337
SR 202	new
SR 203	new
SR 204	SR 335
SR 205	SR 232
SR 206	new
SR 207	new
SR 208	new
SR 209	new
SR 210	new
SR 211	new
SR 212	new
SR 213	SR 109
SR 214	new
SR 215	new
SR 216	SR 231
SR 217	SR 221

District 3

New	Old	Notes
SR 300	new
SR 301	SR 144
SR 302	new
SR 303	new
SR 304	part of SR 104
SR 305	new
SR 306	part of SR 104
SR 307	new
SR 308	new
SR 309	new
SR 310	SR 133
SR 311	new
SR 312	new
SR 313	SR 182
SR 314	new
SR 315	SR 181
SR 316	new

District 4

New	Old	Notes
SR 400	part of SR 201
SR 401	part of SR 323 and a new routing
SR 402	SR 122
SR 403	new
SR 404	new
SR 405	new
SR 406	SR 132
SR 407	SR 316
SR 408	SR 1011
SR 409	new
SR 410	SR 313
SR 411	new
SR 412	new
SR 413	part of SR 41
SR 414	new
SR 415	SR 393
SR 416	new
SR 417	SR 191
SR 418	new
SR 419	new
SR 420	new
SR 421	SR 3111

District 5

New	Old	Notes
SR 500	part of SR 101 and an unknown route
SR 501	part of SR 101
SR 502	SR 1012
SR 503	new
SR 504	new
SR 505	SR 103
SR 506	new
SR 507	SR 108
SR 508	new
SR 509	new
SR 510	SR 392
SR 511	new
SR 512	SR 394
SR 513	new
SR 514	SR 391
SR 515	new
SR 516	new
SR 517	new
SR 518	new
SR 519	SR 397
SR 520	new
SR 521	SR 341
SR 522	SR 342
SR 523	new
SR 524	SR 343
SR 525	new

District 6

New	Old	Notes
SR 600	part of SR 291
SR 601	new
SR 602	new
SR 603	new
SR 604	new
SR 605	new
SR 606	new
SR 607	SR 371
SR 608	new
SR 609	new
SR 610	SR 372
SR 611	SR 377
SR 612	SR 375
SR 613	new
SR 614	new
SR 615	new
SR 616	new
SR 617	new
SR 618	new
SR 619	new

District 7

New	Old	Notes
SR 700	new
SR 701	new
SR 702	SR 374
SR 703	new
SR 704	new
SR 705	new
SR 706	new
SR 707	new
SR 708	new
SR 709	new
SR 710	SR 314
SR 711	new
SR 712	new
SR 713	new

District 8

New	Old	Notes
SR 800	part of SR 338 and SR 395
SR 801	SR 141
SR 802	new
SR 803	new
SR 804	part of SR 338
SR 805	part of SR 338
SR 806	new
SR 807	new
SR 808	new
SR 809	part of SR 251
SR 810	SR 171
SR 811	part of SR 251?
SR 812	new
SR 813	new
SR 814	SR 333
SR 815	part of SR 251
SR 816	new
SR 817	SR 332
SR 818	new
SR 819	new
SR 820	SR 336
SR 821	new
SR 822	SR 339
SR 823	new
SR 824	SR 331
SR 825	part of SR 251
SR 826	SR 376