Marked east-west.

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Status: Decommissioned 1955; transferred to Frederick County maintenance. (SRC Min. 09-14-1955), number later recycled.

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Status: Decommissioned 1955; transferred to Frederick County maintenance. (SRC Min. 09-14-1955)

In 1948, consisted of two pieces with a gap in the middle. Was unified sometime prior to being dumped in 1955.

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Status: Unsigned, associated with MD 173.

An old bridge approach perhaps? Serves a marina/restaurant next to the Stony Creek drawbridge on MD 173.

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Status: Decommissioned; transferred to Baltimore County maintenance.

Added in 1940 due to construction of Southwestern Blvd (US 1). Also served as grade elimination for what is today the Amtrak corridor.

Route 643-645 are associated with railroad grade eliminations.

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Status: Unsigned.

Added in 1940 due to construction of Southwestern Blvd (US 1). Consists mostly of bridge over Amtrak and Southwestern Blvd. (US 1).

Sections of MD 644:
MD 644A: Francis Ave 0.17 mi.; between Carville Ave. and Selma Ave.
MD 644B: Tom Day Blvd 0.12 mi.; from US 1 (Southwestern Blvd) to Oregon Ave in Arbutus.

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Status: MD 645B, 645D Unsigned.; MD 645A decommissioned 1986; transferred to Anne Arundel County maintenance (SRC Min. 02-21-1986, Agreememt 11-08-1985).; MD 645C decommissioned 1983; transferred to Anne Arundel County maintenance (SRC Min. 01-28-1983, Agreememt 11-15-1982).

Sections of MD 645:
MD 645A: Old Dorsey Rd 0.41 mi.; from MD 176 to road end west of Amtrak.
MD 645B: Old Dorsey Rd 0.12 mi.; from road end east of Amtrak east to MD 176.
MD 645C: Old Annapolis Blvd 0.02 mi.; from road end .02 mi west of MD 176A to MD 176 (Dorsey Road).
MD 645D: Old Dorsey Rd 0.03 mi.; Connects MD 645B to MD 176.

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Marked north-south on mainline, but as 'east' on directional signs on MD 543.

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Status: Decommissioned; transferred to Anne Arundel/Howard County maintenance.

Another railroad grade crossing elimination. MD 647 was gone from maps by 1955.

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1936 map of the "New Annapolis Road", later to be named Ritchie Hwy (MD 2), the old route to become MD 648.

Status: Mainline sections signed north-south, associated with MD 2. MD 648B and 648C decommissioned 1983 (SRC Min. 01-28-1983, Effective 07-01-1955)

Associated Secret-Obscure Routes: 915

Carleton Jones, in his book Streetwise Baltimore, noted that the old Annapolis Boulevard "had been chopped up into so many segments… [that] anyone who attempts to reach [Annapolis] from Baltimore over this route had better bring along a sextant and overnight gear." As such it is the quintessential old Maryland alignment, darting back and forth from the view of the arrow-straight MD 2. It's also the bane of out-of-staters, whose signed state routes actually go someplace, and would think Maryland routes do similar. A signed route here is no guarantee against a dead end. There's no access across US 50-301 on 648, but still a single ramp off westbound to north on 648, a reminder of 50-301's non-freeway past.

As new sections came online, the old became parts of 648. In turn, two pieces have been cut off by the construction of MD 100, becoming MD 915. MD 100 overpasses with no direct access. MD 648 annexed the entirety of MD 706 (Waterford Rd) to maintain the connection with MD 177. Once there, MD 648 has a de-facto concurrency with MD 177 west to the next alignment, which is the same leading north through Glen Burnie and up into Baltimore. North of Glen Burnie, 648 was the original route of US 301 north into Baltimore. From 648's current end in Westport, 301 headed northwest on Monroe St to end at US 1. The only 648 shield to be found in Baltimore City is to be found on BW Parkway signage.

MD 648's current intersection with Business MD 3 in Glen Burnie was the location for Maryland's first traffic signal.

Sections of MD 648: Mainline order (north to south) is E, H, D, F, A. Original path was E, (915), H, AA, D, C, B, A.
MD 648A: Baltimore-Annapolis Blvd (AA) 2.09 mi.; from MD 450 north to road end at US 50-301. Southernmost signed mainline; not accessible across 50-301. Provides access to MD 179, and the short but signed MD 672.
MD 648B: Old Annapolis Blvd 0.31 mi.; From MD 2 to MD 2 in the vicinity of Ashcroft. Just south of 648C, this loops back east.
MD 648C: Old Annapolis Blvd 0.55 mi.; From MD 2 to MD 2 in the vicinity of Arnold. Loop east of MD 2.
MD 648D: Baltimore-Annapolis Blvd (AA) 4.18 mi.; loop west off MD 2, comes close to MD 2 before peeling off again.
MD 648E: Baltimore-Annapolis Blvd (AA), Old Annapolis Rd (BA), Annapolis Rd (BC) 11.15 mi.; longest and northernmost section.
MD 648F: Baltimore-Annapolis Blvd (AA) 0.61 mi.; . This section starts as a ramp off US 50-301.
MD 648G: Baltimore-Annapolis Blvd (AA) 0.13 mi.; old alignment southwest of the 648 interchange with MD 10.
MD 648H: Baltimore-Annapolis Blvd, Waterford Rd (AA) 3.49 mi.; from .. north to MD 177. The Waterford Rd part of this route was once MD 706. With construction of MD 100, old 648 was cut off, both ends redesignated MD 915.
MD 648I: McGivney Way 0.13 mi.; connects with 648G near interchange with MD 10. Directly across from end of MD 270.
MD 648AA: Asbury Dr (AA) 0.48 mi.; was original 648 alignment before it was turned west onto MD 2. South of 648H and north of 648D.
MD 648AB: [no name] (AA) 0.10 mi.; Entrance to Baltimore-Annapolis Trail Park near absolute southern terminus at MD 450.

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Status: Decommissioned 1956; transferred to Charles County maintenance. (SRC Min. 12-13-1955, Agreement 11-29-1955, Effective 07-01-1956)

A loop near Port Tobacco off MD 6, probable old alignment

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Status: Signed north-south.

Associated Secret-Obscure Routes: 897

A main route north of DC, MD 650 has its original section south of US 29, which traversed New Hampshire Avenue from White Oak north to Ashton, before taking a right onto current MD 108. North of Ashton was MD 116 up to Brighton Dam Rd.

MD 650 annexed both the old path of 29 and 116. It was extended 2.8 miles from Brighton Dam Rd to MD 97 in 1973, with the final extension to MD 108 added in 1976. The name change occurs at MD 97.

Start of MD 650 entering from DC. (picture 12/30/10)

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Status: Decommissioned 1953; transferred to Harford County maintenance. (SRC Min. 05-20-1953, Effective 07-01-1953)

MD 651 was a short spur off MD 165. Not far across and slightly offset was a similarly short MD 163.

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Status: Signed at turn from MD 176. Associated with MD 170

MD 652, with the completion of Route 100, is on the endangered list. Its usefulness is now limited to access to Queenstown Rd, which does have a bridge over 100. Though it seems nowhere around now, this is the old alignment of MD 170 before land was taken for Friendship (later BWI) Airport. Its junction with 170 was lost under the MD 100 interchange. The old road continues inside the airport fence to the old Friendship Cemetery. Also lost was part of the WB&A Railway. Should Anne Arundel need to swap mileage, Route 652 would likely face the chopping block.

Route 652… still here, but for how long? (picture 11/28/09)

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Status: Decommissioned sometime after 1938. There is no record of it, but likely 1956 like other nearby routes. Orleans Rd now extends south to an interchange with I-68.

According to HTDS, "no record of this road being transferred back to County" (SHA Min 06-30-1938). Began a cluster of Allegany routes 652-658 except 653.

Original MD 652, from 1939 SRC official map. All state routes shown here are gone.

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Status: Entire route became part of MD 390 by 1956. Number not reassigned.

MD 653, from 1956 General Drafting map.

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Status: Decommissioned 1956; transferred to Allegany County maintenance. (SRC Min. 11-10-1955, Effective 07-01-1956)

The mileage at the time of decommissioning was 0.49 miles, less than the 0.70 stated at the time of its addition.

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Status: Unsigned, associated with MD 28.

Current MD 655 came about in 1985 when MD 28 was widened and realigned.

Sections of MD 655:
MD 655: Old MD 28 0.00 mi.; From MD 655 to Relocated MD 28 East of Carrollton Road.
MD 655A: (no name) 0.52 mi.; From MD 28 north to MD 97. Intersects with spurs to 97 and Thistlebridge Dr
MD 655B: Old MD 28 0.00 mi.; From Carrollton Road to Relocated MD 28 .08 Mile East of Westbury Road.
MD 655C: Old MD 28 0.00 mi.; From Carrollton Road to Relocated MD 28 .03 Mile East of Bel Pre Road.
MD 655D: (no name) 0.03 mi.; from cul-de-sac east to cul-de-sac, 2 pieces separated by 0.25 mile county road.
MD 655E: (no name) 0.02 mi.; From MD 28 west to end of state maintenance.
MD 655F: (no name) 0.01 mi.; From MD 28 west to end of state maintenance.
MD 655G: (no name) 0.01 mi.; From MD 28 east to MD 28.
MD 655H: (no name) 0.01 mi.; From MD 28 east to end of state mainteance.

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Status: Decommissioned 1956; transferred to Allegany County maintenance. (SRC Min. 11-10-1955, Effective 07-01-1956)

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Status: Signed east-west. Associated with MD 456.

Number is derived from MD 456. Runs around the back of the outlet center near the US 50-301 split. MD 18S is just the letter suffix, not intended to mean 'south'. MD 656 was the first known instance of a number being used thrice.

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MD 656-18 signage, at US 301's entrance to outlet center. (picture 02/21/10)

Status: Became part of MD 309 in 1979, number later recycled. (SRC Min. 11-10-1955, Effective 07-01-1956).

Despite the name, it is a standard width 2-lane road. It was added to create a right-angle intersection with US 50 for MD 309, which had been more of a Y intersection. MD 309 south from this route to US 50 was transferred back to the county at the same time, a distance of 0.14 miles. It was later extended across US 50 to connect with an extended 662.

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Status: Decommissioned 1956, transferred to Lonaconing municipal maintenance (SRC Min. 11-10-1955, Effective 07-01-1956).

Added in 1939, dropped in 1956 in the sweep of minor routes during the 12 Year Program. Was part of a cluster of routes near MD 36.

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Status: Decomissioned 2011, transferred to Allegany County maintenance.

Prior to being dropped, 657 was the longest signed Maryland route not to have line striping. Only 657 signage occurs westbound when exiting the limits of Lonaconing. Ending at same point near the Allegany-Garrett border, this county line was one of the last to experience an adjustment. The portion that was within the town limits of Lonaconing was posted with an unusually low 15 mph limit.

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MD 657, outside Lonaconing (picture 01/24/10)

Status: Unmarked.

NHS: Possibly, since it links an NHS corridor (MD 53) to I-68, and is necessary to complete movements onto I-68.

Only clue to Vocke's state route status is the SHA standard "Snow Emergency Route" signs which stand alone. The SHA facility along the road is also a good clue.

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Status: Decommissioned 1959. Transferred to Rockville municipal maintenance. (SRC Min. 07-28-1959, effective same date)

Nowadays this road has ramp access to and from Veirs Mill Rd (MD 28, 586). This route was dropped at the same time as the adjacent MD 676.

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