Introduction to LRS | Research and Analytics

Primary route descriptions by county

County #	County	Route description
01	Adair	I-80 Iowa 25 Iowa 90 Iowa 92 Iowa 189 Iowa 925 U.S. 6
02	Adams	Iowa 25 Iowa 49 Iowa 95 Iowa 148 Iowa 155 Iowa 186 Iowa 951 U.S. 34
03	Allamakee	Iowa 9 Iowa 26 Iowa 51 Iowa 76 Iowa 119 Iowa 364 U.S. 18 U.S. 52
04	Appanoose	Iowa 2 Iowa 5 Iowa 138 Iowa 142 Iowa 202 Iowa 216 Iowa 277 Iowa 278 Iowa 369 Iowa 938 Iowa 940 Iowa 941
05	Audubon	Iowa 44 Iowa 173 U.S. 71
06	Benton	I 380 Iowa 8 Iowa 21 Iowa 27 Iowa 82 Iowa 101 Iowa 131 Iowa 149 Iowa 150 Iowa 198 Iowa 199 Iowa 200 Iowa 201 Iowa 212 Iowa 279 Iowa 287 Iowa 363 Iowa 919 Iowa 920 Iowa 940 U.S. 30 U.S. 151 U.S. 218
07	Black Hawk	I 380 Iowa 21 Iowa 27 Iowa 57 Iowa 58 Iowa 175 Iowa 263 Iowa 281 Iowa 297 Iowa 402 Iowa 412 Iowa 933 Iowa 934 Iowa 939 Iowa 947 Iowa 969 U.S. 20 U.S. 63 U.S. 218
08	Boone	Iowa 17 Iowa 89 Iowa 144 Iowa 164 Iowa 210 Iowa 329 Iowa 430 Iowa 930 U.S. 30 U.S. 169 US ALT 30
09	Bremer	Iowa 3 Iowa 27 Iowa 93 Iowa 116 Iowa 188 Iowa 241 Iowa 334 Iowa 390 Iowa 431 Iowa 969 U.S. 63 U.S. 218
10	Buchanan	I 380 Iowa 27 Iowa 150 Iowa 187 Iowa 190 Iowa 248 Iowa 281 Iowa 282 Iowa 283 Iowa 284 Iowa 336 Iowa 939 Iowa 947 U.S. 20
11	Buena Vista	Iowa 3 Iowa 7 Iowa 10 Iowa 110 Iowa 197 Iowa 264 Iowa 351 Iowa 352 Iowa 390 Iowa 914 U.S. 71
12	Butler	Iowa 3 Iowa 14 Iowa 47 Iowa 57 Iowa 188 Iowa 326 U.S. 20
13	Calhoun	Iowa 4 Iowa 7 Iowa 124 Iowa 175 Iowa 396 U.S. 20
14	Carroll	Iowa 73 Iowa 141 Iowa 161 Iowa 217 Iowa 236 Iowa 285 Iowa 286 U.S. 30 U.S. 71
15	Cass	I 80 Iowa 48 Iowa 83 Iowa 90 Iowa 92 Iowa 148 Iowa 173 Iowa 176 Iowa 322 Iowa 414 Iowa 973 U.S. 6 U.S. 71
16	Cedar	I 80 Iowa 38 Iowa 130 Iowa 927 Iowa 979 U.S. 6 U.S. 30
17	Cerro Gordo	I 35 Iowa 27 Iowa 106 Iowa 107 Iowa 122 Iowa 288 U.S. 18 U.S. 65
18	Cherokee	Iowa 3 Iowa 7 Iowa 31 Iowa 143 Iowa 977 U.S. 59
19	Chickasaw	Iowa 24 Iowa 27 Iowa 254 Iowa 289 Iowa 346 Iowa 383 Iowa 393 Iowa 478 U.S. 18 U.S. 63 U.S. 218
20	Clarke	I 35 Iowa 104 Iowa 152 Iowa 266 Iowa 929 Iowa 942 Iowa 951 U.S. 34 U.S. 69
21	Clay	Iowa 10 Iowa 170 Iowa 240 Iowa 264 Iowa 374 U.S. 18 U.S. 71
22	Clayton	Iowa 3 Iowa 13 Iowa 56 Iowa 76 Iowa 112 Iowa 128 Iowa 290 Iowa 340 Iowa 410 Iowa 946 U.S. 181 U.S. 52
23	Clinton	Iowa 136 Iowa 291 Iowa 391 Iowa 948 Iowa 952 Iowa 956 U.S. 30 U.S. 61 U.S. 67
24	Crawford	Iowa 4 Iowa 37 Iowa 39 Iowa 45 Iowa 141 U.S. 30 U.S. 59
25	Dallas	I 80 Iowa 17 Iowa 44 Iowa 89 Iowa 90 Iowa 141 Iowa 144 Iowa 210 Iowa 232 Iowa 292
26	Davis	Iowa 2 Iowa 16 Iowa 202 Iowa 273 Iowa 957 U.S. 63
27	Decatur	I 35 Iowa 2 Iowa 204 Iowa 258 Iowa 266 Iowa 294 U.S. 69
28	Delaware	Iowa 3 Iowa 13 Iowa 38 Iowa 116 Iowa 187 Iowa 932 Iowa 938 Iowa 944 Iowa 947 U.S. 20
29	Des Moines	Iowa 79 Iowa 99 Iowa 163 Iowa 231 Iowa 394 Iowa 406 Iowa 434 Iowa 934 Iowa 935 Iowa 936 Iowa 952 U.S. 34 U.S. 61
30	Dickinson	Iowa 9 Iowa 32 Iowa 86 Iowa 203 Iowa 219 Iowa 276 Iowa 327 Iowa 356 U.S. 71
31	Dubuque	Iowa 3 Iowa 32 Iowa 136 Iowa 386 Iowa 392 Iowa 416 Iowa 418 Iowa 420 Iowa 924 Iowa 941 Iowa 946 Iowa 948 Iowa 952 Iowa 955 Iowa 959 Iowa 961 Iowa 963 Iowa 966 Iowa 967 Iowa 968 U.S. 20 U.S. 52 U.S. 61 U.S. 67 U.S. 151
32	Emmet	Iowa 4 Iowa 9 Iowa 15 Iowa 43
33	Fayette	Iowa 3 Iowa 56 Iowa 93 Iowa 102 Iowa 150 Iowa 154 Iowa 172 Iowa 187 Iowa 190 Iowa 193 Iowa 267 Iowa 281 Iowa 295 Iowa 296 Iowa 915 Iowa 916 Iowa 981 U.S. 18
34	Floyd	Iowa 14 Iowa 27 Iowa 54 Iowa 122 Iowa 147 Iowa 162 Iowa 254 Iowa 337 U.S. 18 U.S. 218
35	Franklin	I 35 Iowa 3 Iowa 57 Iowa 72 Iowa 107 Iowa 134 Iowa 263 U.S. 20 U.S. 65
36	Fremont	I 29 Iowa 2 Iowa 42 Iowa 145 Iowa 174 Iowa 184 Iowa 239 Iowa 333 Iowa 971 Iowa 975 U.S. 59 U.S. 275
37	Greene	Iowa 4 Iowa 25 Iowa 144 Iowa 397 U.S. 30
38	Grundy	Iowa 14 Iowa 57 Iowa 175 Iowa 214 Iowa 263 U.S. 20
39	Guthrie	Iowa 4 Iowa 25 Iowa 44 Iowa 73 Iowa 90 Iowa 141 Iowa 271 Iowa 342 Iowa 384 Iowa 925 U.S. 6
40	Hamilton	I 35 Iowa 17 Iowa 175 Iowa 383 Iowa 432 Iowa 520 Iowa 928 Iowa 941 U.S. 20 U.S. 69
41	Hancock	Iowa 17 Iowa 111 Iowa 179 Iowa 256 Iowa 409 Iowa 424 U.S. 18 U.S. 69
42	Hardin	Iowa 57 Iowa 118 Iowa 175 Iowa 215 Iowa 299 Iowa 359 Iowa 941 U.S. 20 U.S. 65
43	Harrison	I 29 Iowa 37 Iowa 44 Iowa 127 Iowa 183 Iowa 191 Iowa 300 Iowa 301 Iowa 409 Iowa 986 U.S. 30 U.S. 75 U.S. 30
44	Henry	Iowa 27 Iowa 78 Iowa 123 Iowa 125 Iowa 129 Iowa 163 Iowa 231 Iowa 249 Iowa 270 Iowa 424 Iowa 438 Iowa 534 Iowa 972 Iowa 976 U.S. 34 U.S. 218
45	Howard	Iowa 9 Iowa 139 Iowa 157 Iowa 272 U.S. 63
46	Humboldt	Iowa 3 Iowa 15 Iowa 17 Iowa 222 Iowa 302 Iowa 367 Iowa 408 U.S. 169
47	Ida	Iowa 31 Iowa 175 Iowa 328 Iowa 943 U.S. 20 U.S. 59
48	Iowa	I 80 Iowa 21 Iowa 149 Iowa 209 212 Iowa 220 Iowa 419 Iowa 922 Iowa 975 U.S. 6 U.S. 151
49	Jackson	Iowa 62 Iowa 64 Iowa 113 Iowa 428 Iowa 954 Iowa 985 U.S. 52 U.S. 61 U.S. 67
50	Jasper	I 80 Iowa 14 Iowa 90 Iowa 117 Iowa 163 Iowa 223 Iowa 224 Iowa 225 Iowa 330 Iowa 374 Iowa 392 Iowa 926 U.S. 6 U.S. 65
51	Jefferson	Iowa 1 Iowa 78 Iowa 163 Iowa 303 Iowa 340 Iowa 356 Iowa 904 Iowa 981 U.S. 34
52	Johnson	I 80 I 380 Iowa 1 Iowa 22 Iowa 27 Iowa 109 Iowa 153 Iowa 382 Iowa 405 Iowa 921 Iowa 923 Iowa 965 U.S. 6 U.S. 218
53	Jones	Iowa 1 Iowa 38 Iowa 64 Iowa 136 Iowa 337 Iowa 428 U.S. 151
54	Keokuk	Iowa 1 Iowa 21 Iowa 22 Iowa 23 Iowa 77 Iowa 78 Iowa 92 Iowa 108 Iowa 149 Iowa 159 Iowa 180 Iowa 304 Iowa 953 U.S. 63
55	Kossuth	Iowa 9 Iowa 15 Iowa 17 Iowa 91 Iowa 226 Iowa 250 Iowa 274 Iowa 358 Iowa 408 Iowa 422 Iowa 969 U.S. 18
56	Lee	Iowa 2 Iowa 16 Iowa 27 Iowa 88 Iowa 103 Iowa 137 Iowa 289 Iowa 394 Iowa 404 Iowa 460 Iowa 924 Iowa 944 Iowa 960 Iowa 961 Iowa 998 U.S. 61 U.S. 136 U.S. 218
57	Linn	I 380 Iowa 1 Iowa 13 Iowa 27 Iowa 84 Iowa 94 Iowa 100 Iowa 149 Iowa 150 Iowa 920 Iowa 921 Iowa 922 Iowa 931 Iowa 941 Iowa 943 Iowa 974 U.S. 30 U.S. 151 U.S. 218
58	Louisa	Iowa 70 Iowa 78 Iowa 92 Iowa 99 Iowa 252 Iowa 305 Iowa 947 U.S. 61
59	Lucas	Iowa 14 Iowa 97 Iowa 253 Iowa 306 Iowa 934 Iowa 983 Iowa 995 Iowa 996 U.S. 34 U.S. 65
60	Lyon	Iowa 9 Iowa 27 Iowa 91 Iowa 167 Iowa 178 Iowa 182 Iowa 339 U.S. 18 U.S. 75
61	Madison	I 80 Iowa 92 Iowa 162 Iowa 232 Iowa 251 Iowa 307 Iowa 322 Iowa 400 Iowa 972 Iowa 973 U.S. 6 U.S. 169
62	Mahaska	Iowa 23 Iowa 92 Iowa 102 Iowa 137 Iowa 146 Iowa 163 Iowa 309 Iowa 342 Iowa 371 Iowa 426 Iowa 432 Iowa 592 Iowa 964 U.S. 63
63	Marion	Iowa 5 Iowa 14 Iowa 92 Iowa 102 Iowa 156 Iowa 163 Iowa 181 Iowa 310 Iowa 316 Iowa 335 Iowa 365 Iowa 368 Iowa 592 Iowa 968 Iowa 975
64	Marshall	Iowa 14 Iowa 96 Iowa 146 Iowa 233 Iowa 234 Iowa 245 Iowa 311 Iowa 330 Iowa 395 Iowa 431 Iowa 930 Iowa 976 U.S. 30 U.S. ALT 30
65	Mills	Iowa 29 Iowa 41 Iowa 166 Iowa 242 Iowa 244 Iowa 370 Iowa 385 Iowa 935 Iowa 949 Iowa 972 Iowa 978 U.S. 34 U.S. 59 U.S. ALT 30
66	Mitchell	Iowa 9 Iowa 105 Iowa 177 Iowa 227 Iowa 255 Iowa 312 Iowa 946 Iowa 973 U.S. 218
67	Monona	Iowa 29 Iowa 37 Iowa 141 Iowa 175 Iowa 183 Iowa 324 Iowa 372 Iowa 475 Iowa 970 U.S. 75
68	Monroe	Iowa 5 Iowa 68 Iowa 137 Iowa 213 Iowa 915 Iowa 942 U.S. 34
69	Montgomery	Iowa 48 Iowa 115 Iowa 120 Iowa 961 U.S. 34 U.S. 71
70	Muscatine	Iowa 22 Iowa 38 Iowa 92 Iowa 373 Iowa 421 Iowa 917 Iowa 927 Iowa 953 U.S. 6 U.S. 61
71	O'Brien	Iowa 10 Iowa 60 Iowa 143 Iowa 388 Iowa 404 U.S. 18 U.S. 59
72	Osceola	Iowa 9 Iowa 60 Iowa 237 Iowa 238 Iowa 313 Iowa 404 U.S. 59
73	Page	Iowa 2 Iowa 48 Iowa 208 Iowa 333 Iowa 343 Iowa 960 Iowa 999 U.S. 59 U.S. 71
74	Palo Alto	Iowa 4 Iowa 15 Iowa 17 Iowa 314 Iowa 341 U.S. 18
75	Plymouth	Iowa 3 Iowa 7 Iowa 12 Iowa 60 Iowa 140 Iowa 403 Iowa 404 Iowa 960 U.S. 75
76	Pocahontas	Iowa 3 Iowa 4 Iowa 7 Iowa 10 Iowa 15 Iowa 195 Iowa 315
77	Polk	I 35 I 80 I 235 Iowa 5 Iowa 17 Iowa 28 Iowa 44 Iowa 46 Iowa 87 Iowa 90 Iowa 126 Iowa 141 Iowa 160 Iowa 163 Iowa 296 Iowa 312 Iowa 316 Iowa 330 Iowa 331 Iowa 338 Iowa 401 Iowa 415 Iowa 915 Iowa 926 Iowa 931 Iowa 934 Iowa 945 Iowa 950 Iowa 953 Iowa 959 U.S. 6 U.S. 65 U.S. 69
78	Pottawattamie	I 29 I 80 I 480 I 680 Iowa 83 Iowa 92 Iowa 165 Iowa 168 Iowa 183 Iowa 191 Iowa 192 Iowa 244 Iowa 347 Iowa 362 Iowa 370 Iowa 375 Iowa 973 Iowa 988 U.S. 6 U.S. 59 U.S. 75 U.S. 275 U.S. ALT 30
79	Poweshiek	I 80 Iowa 21 Iowa 85 Iowa 146 Iowa 225 Iowa 419 U.S. 6 U.S. 63
80	Ringgold	Iowa 2 Iowa 25 Iowa 66 Iowa 259 Iowa 260 Iowa 344 U.S. 169
81	Sac	Iowa 36 Iowa 39 Iowa 110 Iowa 175 Iowa 196 Iowa 243 U.S. 20 U.S. 71
82	Scott	I 74 I 80 I 280 Iowa 22 Iowa 130 Iowa 331 Iowa 387 Iowa 421 Iowa 461 Iowa 927 Iowa 956 Iowa 960 Iowa 984 U.S. 6 U.S. 61 U.S. 67
83	Shelby	Iowa 37 Iowa 44 Iowa 168 Iowa 173 Iowa 191 Iowa 268 U.S. 59
84	Sioux	Iowa 10 Iowa 12 Iowa 60 Iowa 231 Iowa 404 U.S. 18 U.S. 75
85	Story	I 35 Iowa 115 Iowa 133 Iowa 210 Iowa 211 Iowa 221 Iowa 317 Iowa 330 Iowa 430 Iowa 930 Iowa 947 U.S. 30 U.S. 65 U.S. 69 U.S. ALT 30
86	Tama	Iowa 8 Iowa 21 Iowa 96 Iowa 135 Iowa 146 Iowa 171 Iowa 212 Iowa 229 Iowa 318 U.S. 30 U.S. 63
87	Taylor	Iowa 2 Iowa 25 Iowa 49 Iowa 148 Iowa 319
88	Union	Iowa 25 Iowa 186 Iowa 260 U.S. 34 U.S. 169
89	Van Buren	Iowa 1 Iowa 2 Iowa 15 Iowa 16 Iowa 79 Iowa 81 Iowa 98 Iowa 269
90	Wapello	Iowa 16 Iowa 23 Iowa 137 Iowa 149 Iowa 163 Iowa 213 Iowa 334 Iowa 342 Iowa 380 Iowa 389 Iowa 437 Iowa 918 Iowa 958 Iowa 980 U.S. 34 U.S. 63
91	Warren	I 35 Iowa 5 Iowa 28 Iowa 60 Iowa 92 Iowa 205 Iowa 206 Iowa 207 Iowa 251 Iowa 296 Iowa 316 Iowa 349 Iowa 368 Iowa 400 Iowa 983 U.S. 65 U.S. 69
92	Washington	Iowa 1 Iowa 22 Iowa 27 Iowa 78 Iowa 92 Iowa 114 Iowa 923 Iowa 936 Iowa 957 U.S. 218
93	Wayne	Iowa 2 Iowa 14 Iowa 40 Iowa 55 Iowa 939 U.S. 65
94	Webster	Iowa 7 Iowa 50 Iowa 53 Iowa 121 Iowa 144 Iowa 175 Iowa 413 Iowa 926/ BUS U.S. 169 Iowa 928 Iowa 934 Iowa 997 U.S. 20 U.S. 169
95	Winnebago	Iowa 9 Iowa 105 Iowa 254 Iowa 332 Iowa 381 Iowa 971 U.S. 69
96	Winneshiek	Iowa 9 Iowa 24 Iowa 139 Iowa 150 Iowa 193 Iowa 325 Iowa 965 U.S. 52
97	Woodbury	I 29 I 129 Iowa 7 Iowa 12 Iowa 31 Iowa 140 Iowa 141 Iowa 175 Iowa 243 Iowa 376 Iowa 377 Iowa 378 Iowa 403 Iowa 475 Iowa 914 Iowa 943 Iowa 970 Iowa 982 Iowa 985 U.S. 20 U.S. 75 U.S. 77
98	Worth	I 35 Iowa 9 Iowa 27 Iowa 86 Iowa 105 Iowa 337 Iowa 379 Iowa 972 U.S. 65 U.S. 69
99	Wright	I 35 Iowa 3 Iowa 17 Iowa 72 Iowa 262 Iowa 323 Iowa 353 U.S. 69

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