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 Routes 580-599
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590 · 591 · 592 · 593 · 594 · 595 · 596 · 597 · 598 · 599 

MD 580

Somerset
W. Pocomoke City
MD 580 · was Pocomoke River Rd
loop east off MD 364 just north of US 13.

No longer assigned (decommissioned).

Just across the river from Pocomoke City, MD 580 is only mentioned in the 1937 SRC operating budget.

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MD 581

Carroll
Tyrone
MD 581 · was Keysville-Frederick County Rd., Keysville-Bruceville Rd.
approximately 2 miles either side of Keysville.

No longer assigned (decommissioned 1956).

.

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MD 582

Montgomery
Laytonsville
Mt. Zion
MD 582 · was Mt. Zion Rd.
from Brink Rd. (old MD 420) south to MD 108.

No longer assigned (decommissioned).

May have lasted into the1970s.

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MD 583

Howard
Florence
Glenwood
MD 583 · was Jennings Chapel Rd.
from MD 94 east to MD 97.

No longer assigned (decommissioned).

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MD 584

St. Mary's
St. Mary's City
MD 584 · (unidentified)
loop west of MD 5.

Unmarked.

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MD 585

Wicomico
Salisbury
MD 585 · was Airport Rd.
from MD 12 to MD 350

No longer assigned (decommissioned).

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MD 586

Montgomery
Rockville
Kensington
Wheaton
MD 586 · Viers Mill Rd.
5.78 mi.; from MD 28/MD 911, Rockville east to MD 97, Wheaton

Marked east-west.

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586
0.0 MD 28
0.0 MD 911
4.0 MD 185
5.4 MD 193
5.8 MD 97

MD 587

Baltimore
Middle River

MD 587 · Wilson Point Rd.
1.14 mi.; from MD 150 south to Dogwood Dr.

Marked north-south.

MD 587 MD 587, Wilson Point Road, nortbound, at Dogwood Drive. (photo 10/31/98)

Once ran the entire 2.2 miles to a dead end at the tip of Wilson Point; its southern end was rolled back to Dogwood Dr in 1986. It's unusual in that being a dead end, it's mostly divided. It also serves as the main entrance to Martin State Airport. It is also, for your intrepid reporter, the road home.

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587
1.1 MD 150
0.0 Dogwood Dr.

MD 588

Baltimore
Overlea
Kenwood
Rosedale
MD 588 · Golden Ring Rd., Kenwood Ave.
1.94 mi.; from MD 7 north to end of state maintenance at Brookwood Dr.

Marked north-south.

Don't know why this one is still around, but it's been this way since at least 1935. I recall a time in the mid 1980s when 588 may not have been signposted. Passes over I-95 with no access. The route should be dropped or switched over to the parallel (just the other side of I-695) six-lane Rossville Blvd. instead of its current two-lane routing.

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588
1.9 ESM
1.8 Lillian Holt
0.6 Golden Ring Rd
0.6 Kenwood Ave
0.0 MD 7

MD 589

Worcester
Ocean Pines
MD 589 · Race Track Rd.
4.65 mi.; from US 50 north to US 113.

Marked north-south.

The namesake race track is Ocean Downs. Not the only Race Track Road to have been a state route; another in Bowie was once MD 703.

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589
4.7 US 113
4.6 MD 575
2.6 - MD 90
0.1 MD 707
0.0 US 50

MD 590

Harford
Kalmia
MD 590 · was Forge Hill Rd.
loop east off US 1.

No longer assigned (decommissioned).

This winding road was part of US 1 before it was replaced by a new bridge and straighter approach in 1934. The old bridge appears abandoned, but it is open, and seems to be a popular parking spot.

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MD 591

Cecil
Richardsmere
MD 591 · Colora Rd, Porters Bridge Rd
2 pieces; loop south off US 1.

Marked north-south on east section, east-west on west section.

Another piece of an old US 1 bridge, bypassed in 1933. This bridge over Octoraro Creek was closed, but still visible from either end in 1999. By 2003 the bridge had been dismantled. Steel grating had been welded over both entrances to prevent people from walking on the rotting wood planks that make up its surface. Colora Rd is the western section (591A) and Porters Bridge Rd is the eastern (591B).

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MD 592

Cecil
Rising Sun
MD 592 · was Half Mile Loop
from ... to ...

No longer assigned (decommissioned).

An early bypass of Rising Sun for US 1, itself bypassed further north and west.

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MD 593

Montgomery
Kensington
MD 593 · was Brunett Ave.
0.86 mi.; from Sligo Creek Parkway North through Argyle Park to End SRC Maintenance.

Decommissioned 1958, number no longer assigned. (SHA Min. 08-14-1958, effective same)

Email from Mark Stein:
MD 593 was Brunett Ave. from University Blvd. (MD 193) south to Sligo Creek Pkwy, and then east to US 29. MD 597 appears to have been one of the cross streets between 593 and 29, but I can't tell from the old map, because it didn't list street names. When the beltway was built, these highways were decommissioned and/or removed entirely. Note that Brunett Ave. is the only road that continues under the beltway, while the parallel streets stop and continue on the other side.

MD 593 - Montgomery Co.Brunett Ave. as MD 593, from a 1956 General Drafting map.

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MD 594

Montgomery
Silver Spring
MD 594 · was Wayne Ave.
0.41 mi.; from Dartmouth Avenue across MD 391 to MD National Capital Park

Decommissioned 1958, number no longer assigned. (SHA Min. 08-14-1958, effective same)

MD 594 & 595 - Montgomery Co.
MD 594 and 595, from a 1956 General Drafting map.

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I-595

Prince George's

Anne Arundel
I-595 · John Hanson Highway
19.97 mi.; from I-495 east to MD 70.

Unmarked as an Interstate, signed as US 50 or 50-301.

I-595 has its own page in the Interstate section. Also check out the pages for US 50 and US 301.

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MD 595

Montgomery
Silver Spring
MD 595 · was Bonifant St.
0.12 mi.; from former MD 391 (Dale Drive) to Queen Anne Drive (CO 633).

Decommissioned 1958, number no longer assigned. (SHA Min. 08-14-1958, effective same)

Dropped at the same time as 593 and 594.

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MD 596

Montgomery
Silver Spring
MD 596 · was Maple Ave
0.09 mi.; from MD 391 (Dale Drive) to Woodside Parkway (CO 608).

Decommissioned 1958, number no longer assigned. (SHA Min. 08-14-1958, effective same)

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MD 597

Howard
Elkridge
MD 597 · was Bonnie View Rd.
loop south off US 1 cut off on west side, NW of Harwood Park

No longer assigned (decommissioned).

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MD 597

Montgomery
Forest Grove
MD 597 · was Forest Glen Rd.
old number for current MD 192 between MD 97 and US 29

No longer assigned (decommissioned), entire route now part of MD 192.

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MD 598

Somerset
Princess Anne
MD 598 · was Old Princess Anne Rd
loop east of current US 13

No longer assigned (decommissioned).

...................

MD 598 - Somerset Co.MD 598, from the 1948 SRC map.

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MD 599

Baltimore
Middle River
MD 599 · was Old Orems Rd., Baker Ave.
00.00 mi.; from ... to ...

No longer assigned (decommissioned 1950).

MD 599 was the remnant of a railroad crossing elimination for MD 493, later to be overlaid by MD 700 (Martin Blvd). Routes 600 and 601 are also in this same area, so be sure to check the next page for those.

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