From Wikipedia, the free encyclopedia
Below is a list of Maryland state highways and the counties they pass through. Some (mostly higher numbered) highways are not signposted; they are mostly used on old alignments of current routes, and are only used for administrative purposes, many of these are not listed here unless they are notable. Similarly notable former routes are also listed, these are marked in italics.
- 1 Baltimore City, Baltimore County, Howard, Prince George's
- 2 Baltimore City, Anne Arundel, Calvert
- 3 Anne Arundel, Prince George's
- 4 Prince George's, Anne Arundel, Calvert, St. Mary's
- 5 Prince George's, Charles, St. Mary's
- 6 Charles, St. Mary's
- 7 Baltimore County, Harford, Cecil
- 8 Queen Anne's
- 10 Anne Arundel
- 12 Wicomico, Worcester
- 14 Dorchester
- 16 Dorchester, Caroline
- 17 Frederick
- 18 Queen Anne's
- 19 Queen Anne's
- 20 Kent
- 21 Kent
- 22 Harford
- 23 Harford
- 24 Harford
- 25 Baltimore County, Baltimore City
- 26 Frederick, Carroll, Baltimore County, Baltimore City
- 27 Carroll, Howard, Frederick, Montgomery
- 28 Frederick, Montgomery
- 30 Carroll, Baltimore County
- 31 Frederick, Carroll
- 32 Carroll, Howard, Anne Arundel
- 33 Talbot
- 34 Washington
- 35 Allegany
- 36 Allegany
- 38 Garrett
- 39 Garrett
- 41 Baltimore County
- 42 Garrett
- 43 Baltimore County
- 45 Baltimore County, Baltimore City
- 47 Allegany
- 49 Allegany
- 51 Allegany
- 53 Allegany
- 54 Wicomico
- 55 Allegany
- 56 Washington
- 57 Washington
- 58 Washington
- 60 Washington
- 61 Allegany
- 62 Washington
- 63 Washington
- 64 Washington
- 65 Washington
- 66 Washington
- 67 Washington
- 68 Washington
- 70 Anne Arundel
- 75 Carroll, Frederick
- 76 Frederick
- 77 Washington, Frederick, Carroll
- 79 Frederick
- 80 Frederick, Montgomery
- 84 Carroll
- 85 Frederick
- 86 Carroll
- 88 Carroll, Baltimore County
- 90 Worcester
- 91 Baltimore County, Carroll
- 94 Howard
- 95 Montgomery
- 97 Carroll, Howard, Montgomery
- 99 Howard
[edit] 100-199
- 100 Howard, Anne Arundel
- 103 Howard, Anne Arundel
- 104 Howard
- 107 Montgomery
- 108 Howard, Montgomery
- 109 Montgomery
- 112 Montgomery
- 115 Montgomery
- 117 Montgomery
- 118 Montgomery
- 119 Montgomery
- 121 Montgomery
- 122 Baltimore County
- 124 Montgomery
- 125 Baltimore County
- 128 Baltimore County
- 129 Baltimore County, Baltimore City
- 130 Baltimore County
- 131 Baltimore County
- 132 Harford
- 133 Baltimore County
- 134 Baltimore County
- 135 Garrett, Allegany
- 136 Harford
- 137 Baltimore County
- 138 Baltimore County, Harford
- 139 Baltimore County, Baltimore City
- 140 Frederick, Carroll, Baltimore County, Baltimore City
- 143 Baltimore County
- 144 Allegany, Washington, Frederick, Carroll, Howard, Baltimore County, Baltimore City
- 145 Baltimore County
- 146 Harford, Baltimore County
- 147 Harford, Baltimore County, Baltimore City
- 150 Baltimore City, Baltimore County
- 151 Baltimore City, Baltimore County
- 152 Harford
- 155 Harford
- 156 Harford
- 157 Baltimore County
- 158 Baltimore County
- 159 Harford
- 161 Harford
- 162 Anne Arundel
- 165 Harford, Baltimore County
- 166 Baltimore County
- 168 Anne Arundel
- 169 Anne Arundel
- 170 Anne Arundel
- 171 Anne Arundel, Baltimore City
- 173 Baltimore City, Anne Arundel
- 174 Anne Arundel
- 175 Howard, Anne Arundel
- 176 Anne Arundel
- 177 Anne Arundel
- 178 Anne Arundel
- 179 Anne Arundel
- 180 Washington, Frederick
- 182 Montgomery
- 185 Montgomery
- 186 Montgomery
- 187 Montgomery
- 188 Montgomery
- 189 Montgomery
- 190 Montgomery
- 191 Montgomery
- 192 Montgomery
- 193 Montgomery, Prince George's
- 194 Carroll, Frederick
- 195 Montgomery
- 197 Prince George's
- 198 Montgomery, Prince George's, Anne Arundel
[edit] 200-299
- 200 (Intercounty Connector) Montgomery, Prince George's
- 201 Prince George's
- 202 Prince George's
- 208 Prince George's
- 210 Prince George's, Charles
- 211 Prince George's
- 212 Prince George's
- 213 Cecil, Kent, Queen Anne's
- 214 Prince George's, Anne Arundel
- 216 Howard, Prince George's
- 218 Prince George's
- 222 Cecil
- 223 Prince George's
- 224 Charles
- 225 Charles
- 227 Charles
- 228 Prince George's, Charles
- 229 Charles
- 231 Charles, Calvert
- 234 Charles, St. Mary's
- 235 St. Mary's
- 236 St. Mary's
- 237 St. Mary's
- 238 St. Mary's
- 239 St. Mary's
- 242 St. Mary's
- 243 St. Mary's
- 244 St. Mary's
- 245 St. Mary's
- 246 St. Mary's
- 247 St. Mary's
- 249 St. Mary's
- 253 Anne Arundel
- 254 Charles
- 255 Anne Arundel
- 256 Anne Arundel
- 257 Charles
- 258 Anne Arundel
- 259 Anne Arundel
- 260 Calvert, Anne Arundel
- 261 Anne Arundel, Calvert
- 262 Calvert
- 263 Calvert
- 264 Calvert
- 265 Calvert
- 267 Cecil
- 268 Cecil
- 269 Cecil
- 270 Anne Arundel
- 272 Cecil
- 273 Cecil
- 274 Cecil
- 275 Cecil
- 276 Cecil
- 277 Cecil
- 279 Cecil
- 281 Cecil
- 282 Cecil
- 284 Cecil
- 285 Cecil
- 286 Cecil
- 287 Caroline
- 288 Kent
- 289 Kent
- 290 Kent, Queen Anne's
- 291 Kent
- 292 Kent
- 295 Baltimore City, Baltimore County, Anne Arundel, Prince George's
- 297 Kent
- 298 Kent
- 299 Cecil, Kent
[edit] 300-399
- 300 Queen Anne's
- 302 Queen Anne's, Caroline
- 303 Talbot
- 304 Queen Anne's, Caroline
- 305 Queen Anne's
- 306 Caroline
- 307 Dorchester, Caroline
- 308 Caroline
- 309 Queen Anne's, Talbot
- 310 Cecil
- 311 Caroline
- 312 Caroline
- 313 Kent, Queen Anne's, Caroline, Dorchester, Wicomico
- 314 Caroline
- 315 Caroline
- 316 Cecil
- 317 Caroline
- 318 Dorchester
- 320 Montgomery, Prince George's
- 322 Talbot
- 327 Cecil
- 328 Talbot, Caroline
- 329 Talbot
- 330 Kent
- 331 Talbot, Caroline, Dorchester
- 332 Prince George's
- 333 Talbot
- 334 Talbot
- 335 Dorchester
- 336 Dorchester
- 337 Prince George's
- 341 Dorchester
- 342 Cecil
- 343 Dorchester
- 344 Charles
- 346 Wicomico, Worcester
- 347 Wicomico
- 348 Wicomico
- 349 Wicomico
- 350 Wicomico
- 351 Frederick
- 352 Wicomico
- 353 Wicomico
- 354 Wicomico, Worcester
- 355 Frederick, Montgomery
- 358 Somerset
- 359 Worcester
- 361 Somerset
- 362 Somerset
- 363 Somerset
- 364 Worcester, Somerset
- 365 Worcester
- 366 Worcester
- 367 Worcester
- 370 Talbot
- 371 Worcester
- 372 Baltimore County, Baltimore City
- 373 Prince George's
- 374 Wicomico, Worcester
- 376 Worcester
- 380 Somerset
- 381 Prince George's, Charles
- 382 Prince George's
- 383 Frederick
- 384 Montgomery
- 387 Anne Arundel
- 388 Somerset
- 390 Montgomery
- 392 Dorchester
- 393 Anne Arundel
- 396 Montgomery
[edit] 400-499
- 402 Calvert
- 404 Queen Anne's, Talbot, Caroline
- 405 Queen Anne's
- 407 Carroll
- 408 Anne Arundel
- 410 Montgomery, Prince George's
- 413 Somerset
- 414 Prince George's
- 418 Washington
- 422 Anne Arundel
- 423 Anne Arundel
- 424 Anne Arundel
- 425 Charles
- 435 Anne Arundel
- 436 Anne Arundel
- 439 Baltimore County, Harford
- 440 Harford
- 444 Kent
- 445 Kent
- 446 Kent
- 450 Prince George's, Anne Arundel
- 452 Worcester
- 454 Caroline
- 456 Queen Anne's
- 458 Prince George's
- 460 Somerset
- 462 Harford
- 464 Frederick
- 468 Anne Arundel
- 470 St. Mary's
- 471 St. Mary's
- 472 St. Mary's
- 475 Frederick
- 478 Frederick
- 480 Caroline
- 497 Calvert
[edit] 500-599
- 500 Prince George's
- 501 Prince George's
- 506 Calvert
- 508 Calvert
- 509 Calvert
- 513 Wicomico
- 514 Kent
- 521 Calvert
- 524 Calvert
- 528 Worcester
- 529 Somerset
- 535 Prince George's
- 537 Cecil
- 542 Baltimore County, Baltimore City
- 543 Harford
- 545 Cecil
- 547 Montgomery
- 550 Frederick, Washington
- 552 Queen Anne's
- 553 Anne Arundel
- 560 Garrett
- 561 Kent
- 562 Baltimore County
- 564 Prince George's
- 565 Talbot
- 566 Kent
- 575 Worcester
- 578 Caroline
- 579 Talbot
- 586 Montgomery
- 587 Baltimore County
- 588 Baltimore County
- 589 Worcester
- 591 Cecil
[edit] 600-699
- 607 Anne Arundel
- 610 Worcester
- 611 Worcester
- 614 Montgomery
- 615 Washington
- 623 Harford
- 624 Harford
- 627 Somerset
- 631 Prince George's
- 637 Prince George's
- 638 Allegany
- 640 Somerset
- 646 Harford
- 648 Baltimore City, Anne Arundel
- 650 Montgomery, Prince George's
- 652 Anne Arundel
- 656 Queen Anne's
- 662 Queen Anne's, Talbot
- 665 Anne Arundel
- 667 Somerset
- 670 Wicomico
- 672 Anne Arundel
- 673 Somerset
- 674 Kent
- 675 Wicomico
- 677 Anne Arundel
- 694 Prince George's
[edit] 700-799
- 700 Baltimore County
- 702 Baltimore County
- 704 Prince George's
- 707 Worcester
- 710 Anne Arundel
- 712 St. Mary's
- 713 Anne Arundel
- 715 Harford
- 717 Prince George's
- 725 Prince George's
- 726 Prince George's
- 727 Cecil
- 750 Dorchester
- 755 Harford
- 760 Calvert
- 765 Calvert
- 768 Calvert
- 769B Prince George's
- 769C Prince George's
- 769D Prince George's
- 778 Calvert, Anne Arundel
- 781 Cecil
[edit] 800-899
- 802 Queen Anne's
- 808 Carroll, Frederick
- 810A Prince George's
- 810B Prince George's
- 810C Prince George's
- 810D Prince George's
- 810E Prince George's
- 810F Prince George's
- 810G Prince George's
- 810H Prince George's
- 810I Prince George's
- 810J Prince George's
- 810K Prince George's
- 815 Wicomico
- 818 Worcester
- 824 Cecil
- 832 Carroll
- 833 Carroll
- 835 Queen Anne's
- 852 Carroll
- 874 Frederick
- 895 Montgomery (dropped in 2000)
- 896 Cecil
- 899 Montgomery
[edit] 900-999
- 911 Montgomery
- 915 Anne Arundel
- 924 Harford
- 925 Charles
- 935 Allegany
- 936 Allegany
- 937 Allegany
- 940 Baltimore County
- 946 Garrett
- 950 Prince George's
- 950A Prince George's
- 950C Prince George's
- 950D Prince George's
- 953 Prince George's
- 956 Allegany
- 963 Prince George's
- 964 Prince George's
- 965 Prince George's
- 967 Prince George's
- 967A Prince George's
- 967B Prince George's
- 967C Prince George's
- 967D Prince George's
- 968 Prince George's
- 972A Prince George's
- 973B Prince George's
- 974 Prince George's
- 976 Prince George's
- 976A Prince George's
- 976B Prince George's
- 976C Prince George's
- 977F Prince George's
- 977H Prince George's
- 978A Prince George's
- 978B Prince George's
- 978C Prince George's
- 979 Prince George's
- 980 Prince George's
[edit] See also
[edit] External links
Roads and highways in Maryland 
