Maryland Route 100

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This article is about the current Maryland Route 100. For the former highway, see Maryland Route 100 (former).

Maryland Route 100 marker

Maryland Route 100
Paul T. Pitcher Memorial Highway
Maryland Route 100 highlighted in red
Route information
Maintained by MDSHA
Length: 22.38 mi[1] (36.02 km)
Major junctions
West end: US 29 in Ellicott City
 

MD 104 / MD 108 in Ellicott City
MD 103 in Elkridge
I‑95 in Elkridge
US 1 in Elkridge
MD 295 in Hanover
MD 713 in Hanover
MD 170 in Severn
I‑97 in Glen Burnie
MD 2 in Pasadena

MD 10 in Pasadena
East end: MD 177 in Jacobsville
Location
Counties: Howard, Anne Arundel
Highway system
MD 99 MD 101

Maryland Route 100 (MD 100) is a major east–west highway connecting U.S. Route 29 (US 29) in Ellicott City (just north of Columbia) and MD 177 (Mountain Road) in Pasadena. MD 100 also connects to Interstate 95 (I-95), US 1, the Baltimore-Washington Parkway (MD 295), and I-97. The highway connects Howard County to the west with Anne Arundel County and the Chesapeake Bay to the east. MD 100 also provides access to the Baltimore-Washington International Airport (BWI) and the Arundel Mills shopping mall.

The eastern section of MD 100 in Anne Arundel County is known as the Paul T. Pitcher Memorial Highway. The name comes in dedication to Paul T. Pitcher, an Anne Arundel County executive, who originally conceived the highway.[2]

Route description[edit]

MD 100 eastbound approaching split with MD 10 in Pasadena

The route begins as a six-lane divided expressway at US 29 near Ellicott City. There are then interchanges with MD 108, MD 104, Snowden River Parkway and MD 103.

At the junction with I-95, the road narrows to four lanes. Then MD 100 intersects with US 1 followed by an exit for the Dorsey MARC station. It then crosses the Baltimore-Washington Parkway.

MD 100 then intersects with MD 170 (Telegraph Road) where the road becomes 6 lanes. Then the road junctions with Interstate 97 near Hanover and reduces down to 4 lanes before crossing MD 2. Between Glen Burnie and Jacobsville, MD 100 serves as a bypass for MD 177, and has interchanges with MD 10 and MD 607.

The road ends by merging back into MD 177.

History[edit]

Maryland Route 100 began in the 1970s as two separate roads, both having the MD 100 designation. The first was known as the Mountain Road Extension, stretching between Governor Ritchie Highway and the old Maryland Route 3, now Interstate 97. The second was built as a short spur between the newly constructed Interstate 95 and US 1 in Elkridge, Maryland. The eastern section, originally known as the Mountain Road Bypass, was constructed east of Ritchie Highway in the late 1970s. MD 100 was completed west of I-97 to I-95, thereby connecting the two roads, in 1994, but it was not completed in its entirety to US 29 until November 1998. A portion of the route between Exit 1B-C and Exit 2 was constructed earlier than the rest as an at-grade boulevard, on the right-of-way of the future eastbound lanes; this section was eventually upgraded.[3]

The construction of the route near Lake Waterford Road severed the original road between Baltimore and Annapolis: the Baltimore-Annapolis Boulevard, signed in part as MD 648. The physical road ends at a pair of dead ends on either side of the right-of-way; MD 648 follows Lake Waterford Road between Baltimore-Annapolis Boulevard and MD 177 before rejoining its original path.

The route is part of the Baltimore Outer Beltway, a 3/4 circular beltway designed to provide a route parallel to the Baltimore Beltway. MD 100 represents the major portion that was built; US 29 between MD 100's terminus and US 29's own northern terminus at Maryland Route 99, four miles (6 km) in length, is another portion. The Outer Beltway was projected beyond MD 99 to run through Howard and Baltimore Counties and intersect MD 140, Interstate 83, US 1, and Interstate 95 before terminating at US 40 northeast of Baltimore.


Exit list[edit]

County Location Mile
[1]
km Exit Destinations Notes
Howard Ellicott City 0.00 0.00 US 29 (Columbia Pike) to I‑70 – Washington Western terminus; US 29 Exit 22
0.68 1.09 1A Long Gate Parkway Unsigned MD 100J; no westbound entrance
1.54 2.48 1B Executive Park Drive Unsigned MD 100V; no eastbound entrance; signed as exits 1B and 1C westbound
1.99 3.20 1C Centre Park Drive Right-in/right-out interchange eastbound
2.45 3.94 2 MD 104 (Waterloo Road) / MD 108 (Old Annapolis Road)
Columbia 3.65 5.87 3 Snowden River Parkway Unsigned MD 100W
Elkridge 4.51 7.26 4 MD 103 (Meadowridge Road)
5.68 9.14 5 I‑95 – Baltimore, Washington I-95 Exit 43; split into exits 5A (south) and 5B (north)
6.47 10.41 6 US 1 (Washington Boulevard) – Laurel, Elkridge Split into exits 6A (south) and 6B (north) eastbound
Dorsey 7.12 11.46 7 Dorsey MARC Station Access road is unsigned MD 100L
Anne Arundel Hanover 7.69 12.38 8 Coca-Cola Drive Unsigned MD 100M
8.39 13.50 9 MD 295 (Baltimore–Washington Parkway) – Baltimore, Washington Split into exits 9A (south) and 9B (north)
9.43 15.18 10 MD 713 (Arundel Mills Boulevard) – Hanover, Arundel Mills Split into exits 10A (south) and 10B (north) eastbound
Severn 11.43 18.39 11 MD 170 (Telegraph Road) – Linthicum, Odenton Single-point urban interchange
Glen Burnie 13.94 22.43 13 I‑97 – Baltimore, Annapolis I-97 Exit 14; split into exits 13A (south) and 13B (north)
14.53 23.38 14 MD 174 (Quarterfield Road) Westbound exit, eastbound entrance
15.89 25.57 15 Oakwood Road
Pasadena 17.10 27.52 16 MD 2 (Ritchie Highway) / MD 177 (Mountain Road) to MD 10 north – Pasadena, Glen Burnie Split into exits 16A (south) and 16B (north); westbound exit 16B leads to MD 177
17.69 28.47 MD 10 north (Arundel Expressway) to I‑695 – Baltimore Westbound exit, eastbound entrance; west end of concurrency with MD 10
18.43 29.66 MD 10 south (Arundel Expressway) to MD 2 – Severna Park Eastbound exit, westbound entrance; east end of concurrency with MD 10
20.12 32.38 19 Catherine Avenue Eastbound exit, westbound entrance
20.96 33.73 20 Edwin Raynor Boulevard to MD 173 Eastbound exit, westbound entrance
Jacobsville 21.50 34.60 MD 607 (Magothy Bridge Road) At-grade signalized intersection
21.80 35.08 Magothy Beach Road At-grade signalized intersection
22.38 36.02 MD 177 east (Mountain Road) – Gibson Island Eastern terminus; no access from eastbound MD 100 to westbound MD 177
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Auxiliary routes[edit]

MD 100 has fourteen auxiliary routes: five in Howard County, eight in Anne Arundel County, and one in both counties.

  • MD 100-J is a 0.24-mile-long (0.39 km) segment of Long Gate Parkway from Meadowbrook Lane and a park and ride exit through MD 100's exit 1A to the end of state maintenance where the road continues as Long Gate Parkway. It is located in Ellicott City, Howard County.[1]
  • MD 100-L is the designation for a 0.06-mile-long (97 m) section of the access road from the Dorsey MARC station to MD 100 at exit 7 in Dorsey, Howard County.[1]
  • MD 100-M is the designation for a 0.49-mile-long (0.79 km) segment of Coca Cola Drive from MD 103 to Park Circle Drive in both Howard and Anne Arundel Counties. The route has an interchange with MD 100 at its exit 8.[1]
  • MD 100-N is a 0.20-mile-long (0.32 km) state-maintained segment of Wright Road in Hanover, Anne Arundel County. The road was realigned as a result of the construction of MD 100's exit 9.[1]
  • MD 100-O is a 0.04-mile-long (64 m) segment of old Wright Road in Hanover, Anne Arundel County. The route runs from MD 100-N to a point just before Old Wright Road dead ends.[1]
  • MD 100-P is a state-maintained section of Harmans Road over MD 100 in Harmans, Anne Arundel County. It is 0.26 miles (0.42 km) long.[1]
  • MD 100-Q is a 0.26-mile-long (0.42 km) section of Queenstown Road over MD 100 in Severn, Anne Arundel County.[1]
  • MD 100-R consists of a 0.27-mile-long (0.43 km) segment of WB&A Road over MD 100 in Severn, Anne Arundel County.[1]
  • MD 100-S is a 0.16-mile-long (0.26 km) section of Wieker Road from MD 170 (near MD 100's exit 11) to an intersection with Wieker Road and South Wiker Road in Severn, Anne Arundel County.[1]
  • MD 100-T is a 0.60-mile-long (0.97 km) paved and state-maintained section of Sandy Farm Road in Severn, Anne Arundel County. The route begins at an intersection with MD 100-S and travels north, adjacent to MD 170 and the ramps of MD 100 exit 11. It ends at the transition from a narrow paved road to a dirt road.[1]
  • MD 100-U is the easternmost segment of Otis Drive in Severn, Anne Arundel County. The route is 0.15 miles (0.24 km) long and runs parallel to MD 170 in the vicinity of MD 100's exit 11.[1]
  • MD 100-V is a short 0.04-mile-long (64 m) segment of Executive Park Drive from the MD 100 eastbound exit 1B offramp to the access road in MD 100's median. The route is in Ellicott City, Howard County.[1]
  • MD 100-W is the designation for a 0.29-mile-long (0.47 km) segment of Snowden River Parkway in Columbia, Howard County. It runs from the intersection of MD 108 (Waterloo Road) and Snowden River Parkway to a roundabout for the MD 100 eastbound ramps at exit 3.[1]
  • MD 100-X is the designation for an unnamed road in Elkridge, Anne Arundel County. The route begins at the intersection of US 1 and Amberton Drive and travels north for 0.095 miles (153 m) before ending at a private driveway.[1]

See also[edit]

References[edit]

  1. ^ a b c d e f g h i j k l m n o p Highway Information Services Division (December 31, 2011). Highway Location Reference. Maryland State Highway Administration. Retrieved 2012-11-11. 
  2. ^ "Front Cover". The Maryland Asphalt Paver. The Maryland Asphalt Assoc. Spring–Summer 1999. p. 2. Archived from the original on 19 November 2003. Retrieved 8 January 2012. 
  3. ^ [1]

External links[edit]