List of former Maryland state highways (600–699)

The Maryland highway system has several hundred former state highways. These highways were constructed, maintained, or funded by the Maryland State Roads Commission or Maryland State Highway Administration and assigned a unique or temporally unique number. Some time after the highway was assigned, the highway was transferred to county or municipal maintenance and the number designation was removed from the particular stretch of road. In some cases, a highway was renumbered in whole or in part. This list contains all or most of the state-numbered highways between 600 and 699 that have existed since highways were first numbered in 1927 but are no longer part of the state highway system or are state highways of a different number. Most former state highways have not had their numbers reused. However, many state highway numbers were used for a former highway and are currently in use. Some numbers have been used three times. The former highways below whose numbers are used presently, those that were taken over in whole or in part by another highway, or have enough information to warrant a separate article contain links to those separate highway articles. Highway numbers that have two or more former uses are differentiated below by year ranges. This list does not include former Interstate or U.S. Highways, which are linked from their respective lists.

MD 600

Maryland Route 600 was the designation for Old Eastern Avenue, which ran from MD 150 in Essex east to MD 150 in Middle River. The highway was assigned after MD 150 was relocated to its present four-lane divided highway as a military access project between 1942 and 1944. MD 600 was removed from the state highway system in 1956. ==MD 602==

MD 602

Maryland Route 602 was the designation for Fort Meade Road, which ran from US 1 in Laurel east to Fort George G. Meade. The highway was a military access project during World War II. The first segment of the new highway, from US 1 to what was then MD 216 near Brock Bridge Road in what is now Maryland City, was started in 1943 and completed in 1944. This segment included a bridge across the Baltimore & Ohio Railroad (now CSX) in Laurel and a bridge across the Patuxent River. The remainder of MD 602, from near Brock Bridge Road to the entrance to Fort Meade near the Little Patuxent River, was completed by 1946. The highway was replaced by an eastward extension of MD 198 in 1963. ==MD 604==

MD 604

Maryland Route 604 was the designation for Watkins Road from east of Davis Mill Road to west of Wildcat Road near Damascus in northern Montgomery County. The highway was constructed as a macadam road in 1934 and 1935. MD 604 was removed from the state highway system in 1956. ==MD 605==

MD 605

Maryland Route 605 was the designation for Takoma Avenue, which ran from Eastern Avenue at the District of Columbia boundary north to the intersection of Takoma Avenue, Albany Avenue, and Fenton Street within Takoma Park in southeastern Montgomery County. The street was paved as a concrete road in 1935. MD 605 was transferred from state to municipal maintenance in 2005. ==MD 606==

MD 606

Maryland Route 606 was the designation for Corsica Neck Road from Spider Web Road east to MD 304 in Centreville in central Queen Anne's County. The highway was constructed as a macadam road west from Centreville Landing, the wharf area for Centreville, in 1935. The highway included a new bridge across the Old Mill Stream Branch of the Corsica River in 1936 and 1937. The following year, MD 304 was extended west along the full course of MD 606. References ==MD 608==

MD 608

Maryland Route 608 was the designation for Raincliffe Road from the east town limit of Sykesville east toward Arrington Road in southeastern Carroll County. The highway was constructed as a macadam road in 1935. MD 608 was removed from the state highway system in 1954. ==MD 609==

MD 609

Maryland Route 609 was the designation for Norbeck Road from MD 97 at Norbeck east to MD 182 near Norwood in eastern Montgomery County. The highway was constructed as a gravel road in 1934 and 1935. MD 609's western terminus was a short distance north of the MD 28–MD 97 intersection. In 1981, MD 609's western end was relocated to the MD 28–MD 97 intersection and MD 609 was renumbered as an eastward extension of MD 28. ==MD 612==

MD 612

Maryland Route 612 was the designation for Harney Road from Harney in northwestern Carroll County north to the Pennsylvania state line, where the highway continued as Pennsylvania Route 134. The highway was built as a macadam road in 1935. MD 612 was removed from the state highway system in 1954. ==MD 613==

MD 613

Maryland Route 613 was the designation for Friendship Road from MD 2 (now MD 778) at Friendship east to Rose Haven in southern Anne Arundel County. The highway was built from MD 2 east to Boyds Turn Road between 1934 and 1936. The highway was extended east to Rose Haven in 1948 and 1949. MD 613 was replaced by a westward extension of MD 261 in 1963. ==MD 616==

MD 616

Maryland Route 616 was the designation for Broadfording Road from Gossard Mill Road near Fairview east to Broadfording just east of Conococheague Creek in western Washington County. The highway was constructed in 1936. MD 616 was removed from the state highway system in 1954. ==MD 617==

MD 617

Maryland Route 617 was the designation for American Corner Road from near Laurel Grove Road north to MD 621 at American Corner in southern Caroline County. The highway was constructed in 1936 and 1937. MD 617 was removed from the state highway system in 1958. ==MD 618==

MD 618

Maryland Route 618 was the designation for Detour Road from a short distance north of MD 71 (now MD 194) at New Midway north to MD 77 at Detour in northeastern Frederick County. The highway was built in 1936. MD 618 was removed from the state highway system in 1956. ==MD 619==

MD 619

Maryland Route 619 was the designation for Locust Street and Quaker Hill Road from MD 75 in Union Bridge southeast toward McKinstry's Mill in western Carroll County. The highway was constructed as a stabilized earth road in 1938. MD 619 was removed from the state highway system in 1954. ==MD 620==

MD 620

Maryland Route 620 was the designation for Trevanion Road from MD 32 (now MD 140 in Taneytown southeast toward Uniontown in northwestern Carroll County. The portion closest to Taneytown was constructed as a stabilized earth road in 1938. The second segment of MD 620 was built by 1946. The third section of the highway was constructed as a macadam road in 1946 and 1947. MD 620 was removed from the state highway system in 1956. ==MD 621==

MD 621

Maryland Route 621 was the designation for what is now Auction Road from MD 16 near Grove east to MD 313 near Federalsburg in southern Caroline County. The highway was originally built from Grove to MD 313, which then passed through American Corner, in 1938. MD 313 was moved to its present alignment between Federalsburg and Denton in 1954; the portion of MD 313 through American Corner was replaced by MD 630. By 1959, MD 621 was extended east from American Corner to modern MD 313. MD 621 was removed from the state highway system in 1991. ==MD 622==

MD 622

Maryland Route 622 was the designation for Stone Chapel Road from MD 27 south of Westminster to MD 31 west of Westminster in central Carroll County. The first section of the highway was built as a macadam road from MD 31 at the hamlet of Avondale south to near Chapel Road in 1938. A separate segment of MD 622 was built west from MD 27 at the hamlet of Warfieldsburg west to Bowersox Road in 1939. The gap in the highway was filled in 1951. MD 622 was removed from the state highway system in 1956. ==MD 625==

MD 625

Maryland Route 625 was the designation for Old Sabillasville Road from MD 81 (now MD 550) in Sabillasville north to the Pennsylvania state line at Blue Ridge Summit. The highway was constructed as a macadam road by 1927 and was marked as MD 81 by 1933. In 1936, MD 81 was relocated to MD 550's present course that does not enter Pennsylvania. MD 625 was assigned to the old road by 1939 and removed from the state highway system in or shortly after 1950. ==MD 626==

MD 626

Maryland Route 626 was the designation for Golf Course Road and Sunset Avenue, a L-shaped route that ran from MD 707 (now Old Bridge Road) to road end at Sinepuxent Bay in West Ocean City in northern Worcester County. The highway was constructed as Wharf Road in 1936. MD 626 was transferred from state to county maintenance in 2001. ==MD 628==

MD 628

Maryland Route 628 was the designation for Rice Road and part of Resley Road from what is now Old Route 40 east of Sideling Hill north and east to the Pennsylvania state line in far western Washington County. The highway was built from US 40 in 1938. MD 628 was removed from the state highway system in 1956. ==MD 629==

MD 629

Maryland Route 629 was the designation for Exline Road from MD 453 (now Woodmont Road) north to what is now Old Route 40 east of Sideling Hill in far western Washington County. The highway was built from MD 453 to US 40 in 1938. MD 629 was removed from the state highway system in 1956. ==MD 630 (1936–1951)==

Source: Wikipedia ↗

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