List of state highways in Maryland shorter than one mile (2–699)

The following is a list of state highways in Maryland shorter than one mile (1.6 km) in length with route numbers between 2 and 699. Most of these highways act as service roads, old alignments of more prominent highways, or connectors between one or more highways. Many of these highways are unsigned and have multiple segments with the same number. Several of these highways have their own articles; those highways are summarized here and a link is provided to the main article. This list does not include highways where at least one highway of that number is at least one mile in length. All highways at least one mile in length have their own article. The highways shorter than one mile with the same number are covered in the main article for the highway.

There are also lists of state highways in Maryland shorter than one mile with route numbers between 700 and 799; between 800 and 899; and between 900 and 999.

MD 172

Maryland Route 172
Location: Orchard Beach – Baltimore
Length: 0.17 mi[1][2] (0.27 km)

Maryland Route 172 is the unsigned designation for Arundel Cove Avenue, a 0.17 mi (0.27 km) route that runs from railroad tracks in Orchard Beach in Anne Arundel County north to MD 173 (Hawkins Point Road) in the city of Baltimore.[1][2] This state highway once served as the entrance to the United States Coast Guard Yard. The Yard is now accessed from MD 173 just to the west of MD 172.[3] MD 172 was constructed by 1930.[4]

MD 181

Maryland Route 181
Location: Annapolis
Length: 0.16 mi[1] (0.26 km)
Existed: 2009–

Maryland Route 181 is the designation for the Sixth Street bridge over the Spa Creek in Annapolis, Anne Arundel County. The route was designated in 2009 and is 0.16 mi (0.26 km) long.[1]

MD 219

Not to be confused with U.S. Route 219 in Maryland.
Maryland Route 219
Location: Oakland
Length: 0.22 mi[5] (0.35 km)

Maryland Route 219 is the unsigned designation for Ninth Street, which runs 0.22 miles (0.35 km) from the intersection of US 219 and MD 135 north to High Street within Oakland. MD 219 is state-maintained from US 219 to Green Street and maintained by the town of Oakland from there to High Street.[5][6] The state highway follows the southernmost part of the alignment of the future Oakland Bypass.

MD 221

Maryland Route 221A
Location: Largo
Length: 0.59 mi[7] (0.95 km)
Existed: 2003–

Maryland Route 221A is the unsigned designation for a 0.58 mi (0.93 km) section of Ritchie–Marlboro Road around that highway's dumbbell interchange with I-95/I-495 (Capital Beltway) (Exit 13) in Largo.[7][8]

MD 250

Maryland Route 250A
Location: Pocomoke City
Length: 0.19 mi[9] (0.31 km)

Maryland Route 250A is the unsigned designation for Old Virginia Road, which runs 0.19 mi (0.31 km) from US 13 Business east to the intersection of US 13 and US 113 within Pocomoke City.[9][10] The state highway is the southernmost part of the second alignment of US 113 in Pocomoke City. MD 250A was assigned shortly after US 113 was rolled back to terminate at the Pocomoke City Bypass, US 13, in the 1960s.

MD 268

Main article: Maryland Route 268

Maryland Route 268
Location: Elkton
Length: 0.95 mi[11] (1.53 km)

Maryland Route 268 (MD 268) is a 0.95-mile (1.53 km) state highway in the U.S. state of Maryland. The route connects MD 279 with MD 7 in Elkton in Cecil County.[11]

MD 284

Main article: Maryland Route 284

Maryland Route 284
Location: Chesapeake City
Length: 0.25 mi[11] (0.40 km)

Maryland Route 284 is a road in Chesapeake City in Cecil County, Maryland. Maryland 284 follows Hemphill Street as an alternate route to Lock Street (Maryland 285) through Chesapeake City. The road runs about a quarter mile before ending at Maryland Route 285 (Biddle Street) and Maryland Route 537C (Lock Street). The northern reaches of Hemphill Street were the original route of U.S. Route 213 before the new bridge was built and what is now Maryland 213 bypassed the town.

MD 308

Maryland Route 308
Location: Federalsburg
Length: 0.12 mi[12] (0.19 km)

Maryland Route 308 is the designation for a portion of South Main Street in Federalsburg, Caroline County running from Maryland Route 313 north to the end of state maintenance. It is among the shortest of all state highways at 0.12 miles (0.19 km). Although not signposted, it does appear in official documents and some commercial maps.[12]

MD 324

Maryland Route 324
Location: Preston
Length: 0.40 mi[12] (0.64 km)

Maryland Route 324 is the unsigned designation for Maple Avenue, which runs for 0.40 mi (0.64 km) between MD 331 and the southern town limit of Preston, where the highway continues as county-maintained Choptank Road.[12][13]

MD 327

Main article: Maryland Route 327

Maryland Route 327
Location: Perryville
Length: 0.36 mi[11] (0.58 km)

Maryland Route 327 (MD 327) is a 0.36-mile (0.58 km) highway that connects MD 7 with an IKEA distribution center in Perryville.[11]

MD 334

Maryland Route 334
Location: Easton
Length: 0.61 mi[14] (0.98 km)

Maryland Route 334 is a state highway in Talbot County, Maryland. It runs along Port Street from Maryland Route 322 on the western edge of Easton, eastward to Washington Street. Maryland Route 334 follows Port Street in Easton, starting in the west at the intersection with MD 322 (Easton Parkway). It passes through a somewhat rural side of the town, changing quickly to a residential corridor. The route and Port Street end at Washington Street.[14]

MD 368

Maryland Route 368
Location: Bishopville
Length: 0.28 mi[9] (0.45 km)

Maryland Route 368 is the unsigned designation for St. Martins Neck Road, a 0.28 mi (0.45 km) spur that runs from the beginning of state maintenance north to MD 367 in Bishopville.[9] St. Martin Neck Road continues southeast as a county highway to Isle of Wight, where it has an at-grade intersection with MD 90 (Ocean City Expressway).[15] MD 368 originally also included present day MD 568 and MD 367 between the two roads; MD 368 was shortened to its present length in 1950.[16][17]

MD 375

Maryland Route 375
Location: Berlin
Length: 0.06 mi[9] (0.10 km)

Maryland Route 375 is the unsigned designation for Commerce Street, a 0.06 mi (0.097 km) street that runs one-way west (officially north) from MD 818 (Main Street) to MD 374 (Broad Street) within downtown Berlin.[9][18]

MD 377

Maryland Route 377
Location: Berlin
Length: 0.78 mi[9] (1.26 km)

Maryland Route 377 is the unsigned designation for Williams Street, which runs 0.78 mi (1.26 km) from MD 376 in the Berlin Commercial District north to MD 346 (Old Ocean City Boulevard) just west of US 113 within Berlin.[9][19]

MD 384

Maryland Route 384
Location: Silver Spring
Length: 0.53 mi[20] (0.85 km)
Main article: Maryland Route 384

Maryland Route 384 runs 0.53 mi (0.85 km) from MD 390 east to US 29 and MD 97 in Silver Spring, providing access to the Silver Spring Metro Station.[20]

MD 393

Maryland Route 393
Location: Parole
Length: 0.63 mi[1] (1.01 km)

Maryland Route 393 (Old Solomons Island Road) is an old alignment of Maryland Route 2 through Parole in Anne Arundel County. Its alignment runs from MD 2 north of MD 665 northerly to MD 450. It is 0.63 miles (1.01 km) long.[1]

MD 430

Maryland Route 430
Location: College Park
Length: 0.49 mi[7] (0.79 km)

Maryland Route 430 is the unsigned designation for Greenbelt Road, which runs 0.49 mi (0.79 km) from US 1 east to MD 193 within College Park. MD 430 serves to complete movements missing from the US 1-MD 193 interchange to the north of MD 430's western terminus.[7][21]

MD 432

Maryland Route 432
Location: Columbia
Length: 0.25 mi[22] (0.40 km)

Maryland Route 432 is the unsigned designation for Glen Oak Lane, which runs 0.25 mi (0.40 km) from the intersection of Guilford Road and Oakland Mills Road east to a cul-de-sac adjacent to I-95's interchange with MD 32 (Exit 38) in Columbia.[22][23]

MD 449

Maryland Route 449
Location: Locust Grove
Length: 0.07 mi[24] (0.11 km)

Maryland Route 449 is the unsigned designation for the 0.07-mile (0.11 km) section of Shallcross Wharf Road from MD 213 east to MD 444 in Locust Grove.[24][25]

MD 460

Main article: Maryland Route 460

Maryland Route 460
Location: Crisfield
Length: 0.78 mi[26] (1.26 km)

Maryland Route 460 is a state highway in Somerset County, Maryland. Also known as Hall Highway, the route runs from the McCready Memorial Hospital, a hospital that serves the Somerset County area, to Maryland Route 413 in Crisfield.

MD 485

Maryland Route 485
Location: Hillsboro
Length: 0.65 mi[12] (1.05 km)

Maryland Route 485 is the unsigned designation for Saathoff Road, an old alignment of MD 404 that runs 0.65 mi (1.05 km) between two intersections with MD 404 east of Hillsboro.[12][27]


MD 490

Maryland Route 490
Location: Havre de Grace
Length: 0.31 mi[29] (0.50 km)

Maryland Route 490 is the signed designation for a 0.31-mile (0.50 km) section of Union Avenue from Commerce Street north to MD 7, which turns north from Revolution Street onto Union Avenue at MD 490's northern terminus.[29][30]

MD 518

Maryland Route 518
Location: Queen Anne
Length: 0.06 mi[14] (0.10 km)

Maryland Route 518 is the designation for First Street in the town of Queen Anne, Talbot County from Maryland Route 404 Alternate to the Queen Anne's County line. The route is 0.06 miles (0.097 km) long.[14]

MD 524

Maryland Route 524
Location: Huntingtown
Length: 0.76 mi[31] (1.22 km)

Maryland Route 524 is the designation for a former alignment of Maryland Route 2 looping to the west in Huntingtown, Calvert County; it carries the name of Old Town Road and travels for 0.76 miles (1.22 km). It intersects the eastern terminus of Maryland Route 521.[31]

MD 535

Maryland Route 535
Location: Prince George's County
Length: 0.16 mi[7] (0.26 km)

Maryland Route 535 (Auth Road) connects county-maintained Auth Road with the ramp to Maryland Route 5 in Prince George's County. It is approximately 0.16 miles (0.26 km) long and is aligned in an east–west direction.[7]

MD 537

Main article: Maryland Route 537

Maryland Route 537
Location: Chesapeake City
Length: 0.80 mi[11] (1.29 km)

Maryland Route 537 is an unsigned state highway in Cecil County, Maryland running through Chesapeake City. The highway is divided into three segments, all of which are designated with a lettered suffix. A piece of Maryland 537 begins as a branch from Maryland 284 in Chesapeake City, continuing as Lock Street southward through the city past Maryland 285, and stopping at Bank Street and the Chesapeake and Delaware Canal. Across the canal, the route picks up again in the same direction as George Street, crossing Maryland 286, and then ending at the Augustine Herman Highway (Maryland 213). Maryland Route 537 used to cross MD 213 and parallel it along Basil Road before rejoining it, however this section has been removed from the state highway system.

Maryland 537 is the original route of Maryland 213 through Chesapeake City, which was diverted when a different site was found for a high bridge across the canal. The current bridge on Maryland 213 was opened in 1949 after the earlier vertical lift bridge connecting George Street with Lock Street was destroyed in an accident with the tanker Franz Klasen in 1942.

MD 553

Maryland Route 553
Location: Edgewater
Length: 0.65 mi[1] (1.05 km)

Maryland Route 553 is the secret designation for sections of Old South River Road, near Maryland Route 2 in Edgewater, together totaling 0.65 miles (1.05 km) in length:[1]


MD 568

Maryland Route 568
Location: Bishopville
Length: 0.41 mi[9] (0.66 km)

Maryland Route 568 is the unsigned designation for Hatchery Road, a 0.41 mi (0.66 km) spur that runs from MD 367 in Bishopville north to the Delaware state line, where the highway continues as Bishopville Road toward Selbyville.[9][32] MD 568 was originally assigned to the segment of MD 367 east of present day MD 568; the roads received their present designations in 1950.[16][17]

MD 584

Maryland Route 584
Location: Saint Mary's City
Length: 0.38 mi[33] (0.61 km)

Maryland Route 584 is a short loop to the west of MD 5 in Saint Mary's City in Saint Mary's County. The route is 0.38 miles (0.61 km) long.[33]

MD 591

Main article: Maryland Route 591

Maryland Route 591
Location: Richardsmere

Maryland Route 591 (MD 591) is the designation for a pair of state highways 0.28 miles (0.45 km) and 0.80 miles (1.29 km) in length that form the old alignment of US 1 around a dismantled bridge over Octoraro Creek in Richardsmere.[11]

MD 617

Maryland Route 617
Location: Caroline County
Length: 0.35 mi[12] (0.56 km)

Maryland Route 617 is the unsigned designation for an unnamed road connecting Maryland Route 16A (Beauchamp Branch Road) north to Maryland Route 16 (Harmony Road) in Caroline County. The route is 0.35 miles (0.56 km) long.[12]

MD 631

Maryland Route 631
Location: Brandywine
Length: 0.35 mi[7] (0.56 km)

Maryland Route 631 is the unsigned designation for Old Brandywine Road, a 0.35-mile (0.56 km) spur south from the intersection of MD 373 and Brandywine Road south to a dead end adjacent to the US 301 – MD 5 interchange in Brandywine.[7][34]

MD 636

Maryland Route 636
Location: Cresaptown
Length: 0.28 mi[35] (0.45 km)

Maryland Route 636 is the unsigned designation for Warrior Drive, which runs 0.28 miles (0.45 km) from MD 53 east to US 220 within Cresaptown, crossing Warrior Run twice.[35][36] The westbound direction of MD 636 is used by traffic from US 220 to access MD 53. MD 636 was under construction by 1936 and completed by 1938.[37][38]

MD 637

Maryland Route 637
Location: Prince George's County
Length: 0.61 mi[7] (0.98 km)

Maryland Route 637 (Naylor Road) connects Maryland Route 5 with the Washington, D.C. Line in Prince George's County. It is approximately 0.61 miles (0.98 km) long and is aligned in an east-west direction.[7]

MD 640

Maryland Route 640
Location: Somerset County
Length: 0.58 mi[26] (0.93 km)

Maryland Route 640 is the designation for a part of Revells Neck Road in Somerset County running from U.S. Route 13 west to the Eastern Correctional Institution. The route is 0.58 miles (0.93 km) long.[26] Around 1946, a much larger section of Revells Neck Road was designated Maryland Route 697.[39]

MD 642

Maryland Route 642
Location: Orchard Beach
Length: 0.08 mi[1] (0.13 km)

Maryland Route 642 is the unsigned designation for Greenland Beach Road, a 0.08 mi (0.13 km) spur that runs east from MD 173 (Fort Smallwood Road) in Orchard Beach.[1] The state highway is the old alignment of MD 173 just west of Stony Creek.[40] MD 642 was assigned around 1947 when the present bridge over Stony Creek was completed.

MD 656

Maryland Route 656
Location: Queenstown
Length: 0.31 mi[41] (0.50 km)

Maryland Route 656 is the designation for Friels Road, which runs 0.70 mi (1.13 km) from MD 18 next to Prime Outlets Queenstown east to MD 456 within Queenstown.[41][42]

MD 658

Main article: Maryland Route 658

Maryland Route 658
Location: La Vale
Length: 0.84 mi[11] (1.35 km)

Maryland Route 658 is a 0.84-mile (1.35 km) state highway in the U.S. state of Maryland. The route connects MD 53 with US 40 Alternate in La Vale in Allegany County.[35]

MD 668

Maryland Route 668
Location: Manchester
Length: 0.14 mi[43] (0.23 km)

Maryland Route 668 is the designation for Boswells Drive, which runs 0.14 mi (0.23 km) from Harvey Yingling Road north to a dead end parallel to the southbound side of MD 30 just south of the Pennsylvania state line north of Manchester in northeastern Carroll County.[43][44]

MD 673

Maryland Route 673
Location: Westover
Length: 0.53 mi[26] (0.85 km)

Maryland Route 673 is the designation for Sam Barnes Road, a short road that connects Maryland Route 413 to U.S. Route 13 in Somerset County. The route is 0.53 miles (0.85 km) long.[26] The route is a former piece of MD 413; it was created when MD 413 and US 13 were realigned. MD 673 houses several important facilities in Westover and provides the only access from northbound US 13 to southbound MD 413.

MD 674

Maryland Route 674
Location: Rock Hall
Length: 0.25 mi[24] (0.40 km)

Maryland Route 674 is the designation for Sharp Street, a road in Rock Hall, Kent County that runs from Maryland Route 20 west to the end of state maintenance. The route is 0.25 miles (0.40 km) long.[24]

MD 686

Maryland Route 686
Location: Baltimore
Length: 0.34 mi[2] (0.55 km)

Maryland Route 686 is the unsigned designation for 2nd Street, a 0.34 mi (0.55 km) spur that runs from the Anne Arundel County line north to MD 173 (Patapsco Avenue) two blocks east of its northern terminus in the Brooklyn neighborhood of Baltimore.[2][45]

MD 694

Maryland Route 694
Location: Beltsville
Length: 0.10 mi[7] (0.16 km)

Maryland Route 694 is the unsigned designation for Agricultural Farm Road, a 0.10-mile (0.16 km) service road that extends from MD 212 south to U.S. government property in Beltsville.[7][46]

References

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  2. ^ a b c d "Highway Location Reference: Baltimore City" (PDF). Maryland State Highway Administration. 2005. http://www.marylandroads.com/Location/2005_BALTIMORECITY.pdf. Retrieved 2010-11-01. 
  3. ^ Google, Inc. Google Maps – Maryland Route 172 (Map). Cartography by Google, Inc. http://maps.google.com/maps?f=d&source=s_d&saddr=Arundel+Cove+Ave&daddr=Arundel+Cove+Ave&hl=en&geocode=FSstVgIdjqxv-w%3BFdo2VgIdwq9v-w&mra=ls&sll=39.203327,-76.567004&sspn=0.015264,0.038581&ie=UTF8&t=h&z=17. Retrieved 2010-03-21. 
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  5. ^ a b "Highway Location Reference: Garrett County" (PDF). Maryland State Highway Administration. 2009. http://www.marylandroads.com/Location/2009_GARRETT.pdf. Retrieved 2010-11-01. 
  6. ^ Google, Inc. Google Maps – Maryland Route 219 (Map). Cartography by Google, Inc. http://maps.google.com/maps?f=d&source=s_d&saddr=S+9th+St&daddr=E+High+St&hl=en&geocode=FR5AWQIdznlE-w%3BFU5MWQIdzn5E-w&mra=ls&sll=39.405759,-79.39815&sspn=0.014988,0.038581&ie=UTF8&ll=39.405212,-79.396391&spn=0.007494,0.01929&t=h&z=16. Retrieved 2011-03-16. 
  7. ^ a b c d e f g h i j k l "Highway Location Reference: Prince George's County" (PDF). Maryland State Highway Administration. 2009. http://www.marylandroads.com/Location/2009_PRINCEGEORGES.pdf. Retrieved 2010-11-01. 
  8. ^ Google, Inc. Google Maps – Maryland Route 221A (Map). Cartography by Google, Inc. http://maps.google.com/maps?f=d&source=s_d&saddr=Ritchie+Marlboro+Rd&daddr=Ritchie+Marlboro+Rd&hl=en&geocode=FRcYUQIdU15r-w%3BFWARUQIdjohr-w&mra=ls&sll=38.867605,-76.839731&sspn=0.001909,0.004823&ie=UTF8&t=h&z=16. Retrieved 2010-06-18. 
  9. ^ a b c d e f g h i j "Highway Location Reference: Worcester County" (PDF). Maryland State Highway Administration. 2009. http://www.marylandroads.com/Location/2009_WORCESTER.pdf. Retrieved 2010-11-01. 
  10. ^ Google, Inc. Google Maps – Maryland Route 250A (Map). Cartography by Google, Inc. http://maps.google.com/maps?f=d&source=s_d&saddr=Old+Virginia+Rd%2FPocomoke+Snow+Hill+Rd&daddr=Old+Virginia+Rd%2FPocomoke+Snow+Hill+Rd&hl=en&geocode=FSjIRAIdajR_-w%3BFezRRAId4jl_-w&mra=ls&sll=38.063331,-75.548623&sspn=0.007754,0.01929&ie=UTF8&t=h&z=17. Retrieved 2010-04-08. 
  11. ^ a b c d e f g h "Highway Location Reference: Cecil County" (PDF). Maryland State Highway Administration. 2009. http://www.marylandroads.com/Location/2009_CECIL.pdf. Retrieved 2010-11-01. 
  12. ^ a b c d e f g h i "Highway Location Reference: Caroline County" (PDF). Maryland State Highway Administration. 2009. http://www.marylandroads.com/Location/2009_CAROLINE.pdf. Retrieved 2010-11-01. 
  13. ^ Google, Inc. Google Maps – Maryland Route 324 (Map). Cartography by Google, Inc. http://maps.google.com/maps?f=d&source=s_d&saddr=Choptank+Rd&daddr=Maple+Ave&hl=en&geocode=FUGiTgIdFKh5-w%3BFTizTgId3rt5-w&mra=ls&sll=38.707838,-75.912496&sspn=0.001913,0.004823&ie=UTF8&t=h&z=16. Retrieved 2010-06-18. 
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  15. ^ Google, Inc. Google Maps – Maryland Route 368 (Map). Cartography by Google, Inc. http://maps.google.com/maps?f=d&source=s_d&saddr=MD-368+W%2FSt+Martins+Neck+Rd&daddr=MD-368+W%2FSt+Martins+Neck+Rd&geocode=FYaMSgIdILCE-w%3BFTqXSgIdLqKE-w&hl=en&mra=ls&sll=38.442119,-75.191545&sspn=0.003857,0.009645&ie=UTF8&ll=38.441439,-75.192028&spn=0.003857,0.009645&t=h&z=17. Retrieved 2010-04-01. 
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  18. ^ Google, Inc. Google Maps – Maryland Route 375 (Map). Cartography by Google, Inc. http://maps.google.com/maps?f=d&source=s_d&saddr=Commerce+St&daddr=Commerce+St&geocode=FVzMSAIdVj6E-w%3BFVbMSAIdHTqE-w&hl=en&mra=ls&sll=38.32539,-75.220047&sspn=0.000966,0.002411&ie=UTF8&t=h&z=20. Retrieved 2010-04-03. 
  19. ^ Google, Inc. Google Maps – Maryland Route 377 (Map). Cartography by Google, Inc. http://maps.google.com/maps?f=d&source=s_d&saddr=Williams+St&daddr=Williams+St&hl=en&geocode=FQrJSAIdTkGE-w%3BFYXvSAIdEFqE-w&mra=ls&sll=38.333468,-75.210643&sspn=0.003863,0.009645&ie=UTF8&t=h&z=15. Retrieved 2010-04-09. 
  20. ^ a b "Highway Location Reference: Montgomery County" (PDF). Maryland State Highway Administration. 2009. http://www.marylandroads.com/Location/2009_MONTGOMERY.pdf. Retrieved 2010-11-01. 
  21. ^ Google, Inc. Google Maps – Maryland Route 430 (Map). Cartography by Google, Inc. http://maps.google.com/maps?f=d&source=s_d&saddr=Greenbelt+Rd&daddr=Greenbelt+Rd&hl=en&geocode=FRYSUwIdch5q-w%3BFTAQUwIdg0Fq-w&mra=ls&sll=38.997775,-76.923416&sspn=0.003811,0.009645&ie=UTF8&ll=38.998308,-76.926978&spn=0.00381,0.009645&t=h&z=17. Retrieved 2010-06-18. 
  22. ^ a b "Highway Location Reference: Howard County" (PDF). Maryland State Highway Administration. 2009. http://www.marylandroads.com/Location/2009_HOWARD.pdf. Retrieved 2010-11-01. 
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  24. ^ a b c d "Highway Location Reference: Kent County" (PDF). Maryland State Highway Administration. 2009. http://www.marylandroads.com/Location/2009_KENT.pdf. Retrieved 2010-11-01. 
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  26. ^ a b c d e "Highway Location Reference: Somerset County" (PDF). Maryland State Highway Administration. 2009. http://www.marylandroads.com/Location/2009_SOMERSET.pdf. Retrieved 2010-11-01. 
  27. ^ Google, Inc. Google Maps – overview of Maryland Route 485 (Map). Cartography by Google, Inc. http://maps.google.com/maps?f=d&source=s_d&saddr=MD-485+E%2FSaathoff+Rd&daddr=MD-485+E%2FSaathoff+Rd&geocode=Fa7WUQIdrrd5-w%3BFXfSUQIdu955-w&hl=en&mra=ls&sll=38.917333,-75.901183&sspn=0.003832,0.009645&ie=UTF8&t=h&z=16. Retrieved 2010-03-11. 
  28. ^ Google, Inc. Google Maps – overview of Maryland Route 485A (Map). Cartography by Google, Inc. http://maps.google.com/maps?f=d&source=s_d&saddr=Unknown+road&daddr=Unknown+road&geocode=FcjPUQIddNx5-w%3BFYbPUQId_ud5-w&hl=en&mra=ls&sll=38.916058,-75.897304&sspn=0.000958,0.002411&ie=UTF8&t=h&z=18. Retrieved 2010-03-11. 
  29. ^ a b "Highway Location Reference: Harford County" (PDF). Maryland State Highway Administration. 2009. http://www.marylandroads.com/Location/2009_HARFORD.pdf. Retrieved 2010-11-01. 
  30. ^ Google, Inc. Google Maps – Maryland Route 490 (Map). Cartography by Google, Inc. http://maps.google.com/maps?f=d&source=s_d&saddr=S+Union+Ave&daddr=Maryland+7A+W%2FS+Union+Ave&hl=en&geocode=FdRQWwId2u92-w%3BFaRiWwIdYu92-w&mra=ls&sll=39.543715,-76.091357&sspn=0.00189,0.004823&ie=UTF8&t=h&z=16. Retrieved 2010-06-18. 
  31. ^ a b "Highway Location Reference: Calvert County" (PDF). Maryland State Highway Administration. 2009. http://www.marylandroads.com/Location/2009_CALVERT.pdf. Retrieved 2010-11-01. 
  32. ^ Google, Inc. Google Maps – Maryland Route 568 (Map). Cartography by Google, Inc. http://maps.google.com/maps?f=d&source=s_d&saddr=Hatchery+Rd&daddr=Hatchery+Rd&geocode=FUSmSgIdiqqE-w%3BFX63SgIdcJyE-w&hl=en&mra=ls&sll=38.447106,-75.192103&sspn=0.001928,0.004823&ie=UTF8&t=h&z=16. Retrieved 2010-03-25. 
  33. ^ a b "Highway Location Reference: St. Mary's County" (PDF). Maryland State Highway Administration. 2009. http://www.marylandroads.com/Location/2009_SAINTMARYS.pdf. Retrieved 2010-11-01. 
  34. ^ Google, Inc. Google Maps – Maryland Route 631 (Map). Cartography by Google, Inc. http://maps.google.com/maps?f=d&source=s_d&saddr=MD-631%2FOld+Brandywine+Rd&daddr=MD-631%2FOld+Brandywine+Rd&hl=en&geocode=FfJ2TgIdogZr-w%3BFYqJTgId9v1q-w&mra=ls&sll=38.700809,-76.873119&sspn=0.003826,0.009645&ie=UTF8&t=h&z=16. Retrieved 2010-06-18. 
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  43. ^ a b "Highway Location Reference: Carroll County" (PDF). Maryland State Highway Administration. 2009. http://www.marylandroads.com/Location/2009_CARROLL.pdf. Retrieved 2010-11-01. 
  44. ^ Google, Inc. Google Maps – Maryland Route 668 (Map). Cartography by Google, Inc. http://maps.google.com/maps?f=d&source=s_d&saddr=Harvey+Yingling+Rd&daddr=Unknown+road&hl=en&geocode=FfTsXQId5lRq-w%3BFXf0XQIdNFRq-w&mra=ls&sll=39.711495,-76.917064&sspn=0.001861,0.004823&ie=UTF8&t=h&z=17. Retrieved 2011-04-21. 
  45. ^ Google, Inc. Google Maps – Maryland Route 686 (Map). Cartography by Google, Inc. http://maps.google.com/maps?f=d&source=s_d&saddr=2nd+St&daddr=2nd+St&hl=en&geocode=FUCoVgIdrAJv-w%3BFXS6VgIdvAtv-w&mra=ls&sll=39.20147,-76.57118&sspn=0.122117,0.308647&ie=UTF8&t=h&z=16. Retrieved 2010-03-21. 
  46. ^ Google, Inc. Google Maps – Maryland Route 694 (Map). Cartography by Google, Inc. http://maps.google.com/maps?f=d&source=s_d&saddr=Unknown+road&daddr=Unknown+road&hl=en&geocode=FYaZUwIdpoZq-w%3BFTqdUwIdoItq-w&mra=ls&sll=39.03408,-76.903873&sspn=0.000952,0.002411&ie=UTF8&ll=39.033694,-76.904155&spn=0.000952,0.002411&t=h&z=19. Retrieved 2010-06-18. 

See also

Highway systems

Interstates · U.S. Routes

State highways: (2–199) · (200–399) · (400–599) · (600–799) · (800–999)

State highways shorter than one mile: (2–699) · (700–799) · (800–899) · (900–999)

Former state highways
Highway agencies