Maryland Route 112

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Maryland Route 112 marker

Maryland Route 112
Seneca Road
Maryland Route 112 highlighted in red
Route information
Maintained by MDSHA
Length: 2.81 mi[1] (4.52 km)
Major junctions
West end: MD 190 near Seneca
East end: MD 28 in Darnestown
Counties: Montgomery
Highway system
US 111 US 113

Maryland Route 112 is a state highway in the U.S. state of Maryland. Known as Seneca Road, the highway runs 2.81 miles (4.52 km) from MD 190 near Seneca east to MD 28 in Darnestown in western Montgomery County. MD 112 was constructed in Darnestown in the early 1920s and extended to Seneca in the late 1920s.

Route description[edit]

MD 112 begins at a three-legged intersection with River Road that also serves as the western terminus of MD 190. That highway heads southeast toward Potomac; county-maintained River Road heads west through the hamlet of Seneca near the mouth of Seneca Creek and the Seneca Historic District. MD 112 heads east and then northeast as a two-lane road. The highway transitions from rural to suburban before reaching its eastern terminus at MD 28 (Darnestown Road) in the village of Darnestown.[1][2]


The first segment of MD 112 was a 1-mile (1.6 km) concrete road south from MD 28 in Darnestown that was built in 1923.[3][4] The highway was extended southwest to the hamlet of Seneca just east of Seneca Creek in 1929 and 1930.[5][6] MD 112's western terminus was originally a short distance west of MD 190; the highway was truncated at MD 190 between 1975 and 1977.[7][8]

Junction list[edit]

The entire route is in Montgomery County.

Location Mile
km Destinations Notes
Seneca 0.00 0.00 MD 190 east (River Road) / River Road west – Potomac Western terminus; western terminus of MD 190
Darnestown 2.81 4.52 MD 28 (Darnestown Road) – Gaithersburg, Poolesville Eastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also[edit]


  1. ^ a b c Highway Information Services Division (December 31, 2012). Highway Location Reference. Maryland State Highway Administration. Retrieved 2013-08-01. 
  2. ^ Google Inc. "Maryland Route 112". Google Maps (Map). Cartography by Google, Inc.,+Darnestown,+Montgomery,+Maryland&geocode=Fc1LVAIdCBNk-yknHn85ATG2iTE8u1Kv5jKJJA%3BFUOrVAIdEZ9k-ykXwxsP9DG2iTHNYctpqtBDVA&hl=en&mra=pe&mrcr=0&sll=39.091233,-77.309675&sspn=0.030444,0.084543&ie=UTF8&ll=39.0911,-77.309675&spn=0.030444,0.084543&t=h&z=14. Retrieved 2010-04-26.
  3. ^ Maryland Geological Survey. Map of Maryland: Showing State Road System and State Aid Roads (Map) (1923 ed.).
  4. ^ Mackall, John N.; Darnall, R. Bennett; Brown, W.W. (January 1927). Annual Reports of the State Roads Commission of Maryland (1924–1926 ed.). Baltimore: Maryland State Roads Commission. p. 52. Retrieved 2013-08-01. 
  5. ^ Uhl, G. Clinton; Bruce, Howard; Shaw, John K. (October 1, 1930). Report of the State Roads Commission of Maryland (1927–1930 ed.). Baltimore: Maryland State Roads Commission. p. 220. Retrieved 2013-08-01. 
  6. ^ Maryland Geological Survey. Map of Maryland Showing State Road System: State Aid Roads and Improved County Road Connections (Map) (1930 ed.).
  7. ^ Maryland State Highway Administration. Maryland: Official Highway Map (Map) (1975–76 ed.).
  8. ^ Maryland State Highway Administration. Maryland: Official Highway Map (Map) (1977 ed.).

External links[edit]

Route map: Google / Bing