Maryland Route 108

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MD 108
Damascus Road, Laytonsville Road, Olney Laytonsville Road, Olney Sandy Spring Road, Ashton Road, Clarksville Pike, Waterloo Road
Length: 34.23 mi (55.09 km)
Decomd.: N/A
West end: MD 27 in Damascus
Major
junctions:		 MD 97

MD 650
MD 216
MD 32
US 29
East end: MD 175 near Guilford
Highways in Maryland
State highways - Minor - Decommissioned


Maryland Route 108 is a 34-mile suburban highway in central Maryland.

Contents

[edit] Counties traversed

[edit] Cities and towns

[edit] Route description

Route 108 takes a very sinuous route through the Maryland exurbs located inbetween Washington, D.C. and Baltimore. It begins at Maryland Route 27 in Damascus, located in northern Montgomery County. It then proceeds to sweep south through farmland towards Olney where it intersects with MD 97, also known as Georgia Avenue. It then travels east towards the Patuxent River, passing the historic communites of Sandy Spring and Ashton, where it crosses MD 650 New Hampshire Avenue. After crossing the Patuxent into Howard County, MD 108 trends back north to Clarksville, where it crosses MD 32. It then trends east again, forming the northern border of the planned community of Columbia and intersecting with U.S. Route 29, a major north-south thouroughfare. The road then takes its final curve south, ending at Maryland Route 175 just west of Interstate 95 in the vicinity of Guilford.

The road generally follows a two-lane format. At major intersections, such as those at MD 32 and MD 29, it expands to four lanes. The stretch of the road around Olney is the only exception to this rule, forming four lanes for several miles due to the commercial nature of the area.

[edit] Junction list

County Location Mile Destinations Notes
Montgomery Damascus 0.0 Maryland Route 27 / Ridge Rd. - Mount Airy, Germantown western terminus of
0.2 Maryland Route 124 south / Woodfield Rd. - Woodfield, Washington Grove
Bootjack Long Corner Rd. - Long Corner
Annapolis Rock Rd. - Patuxent River State Park (to MD 94)
Etchinson 4.4 Maryland Route 650 east / Damascus Rd. - Unity, Rachel Carson Conservation Park
Laytonsville 7.4 Sundown Rd.-Brink Rd. - Goshen Park, Great Seneca Park (to MD 124)
Claysville Fieldcrest Rd. west - Laytonsville Golf Course (to MD 124)
Mt Zion Brookeville Rd. east - Brookeville (to MD 97)
Olney 13.4 Maryland Route 97 / Georgia Ave. - Cooksville, Silver Spring
Old Baltimore Rd. south - to MD 97
Sandy Spring 14.8 Maryland Route 182 south / Dr Bird Rd. - Norwood, Woodmont
Ashton 16.6 Maryland Route 650 / New Hampshire Ave. - Brinklow, White Oak (to US 29) south and east are former route of ;
north is former route of
Mink Hollow Rd. north - to Highland Rd.
Howard Highland 20.1 Maryland Route 216 south / Highland Rd. - Scaggsville, Laurel (to I-95) runs south of ; Highland Rd. continues north
Clarksville Guilford Rd. south former route of
Ten Oaks Rd. north - to Brighton Dam Rd. former route of
22.7 Maryland Route 32 / Patuxent Freeway - Sykesville, Columbia grade-separated interchange between routes; freeway downgrades at interchange
Sheppard Ln. - to Folly Quarter Rd. Folly Quarter Rd. formerly designated
Homewood Rd.-Harpers Farm Rd. - Howard County General Hospital, Howard Community College
Centennial Ln. - Centennial Park, Ellicott City (to US 40)
Columbia Rd. - to Old Annapolis Rd. (west) Columbia Rd. is former route of ; east of Columbia Rd. originally designated
29.2 US 29 / Columbia Pike - Ellicott City, Baltimore (via I-70), Columbia grade-separated interchange between routes
Thunder Hill Rd. south - to MD 175
Phelps Luck Dr.-Centre Park Dr. - to MD 100
Jonestown 31.3 Maryland Route 100 - Gibson Island (to I-95) is accessed via ; is accessed directly
31.3 Maryland Route 104 north / Waterloo Rd. - Ellicott City north follows former route of ; also follows former route of
Columbia 32.3 Snowden River Parkway - to Broken Land Parkway, MD 100, and MD 175
Old Montgomery Rd. north - to MD 103
Mayfield Ave. east - to MD 103
Old Waterloo Rd. south former route of before construction of
Waterloo 34.2 Maryland Route 175 / Rouse Parkway-Waterloo Rd. - The Mall in Columbia, Jessup (to I-95) eastern terminus of

[edit] History

The section between the route's current interchange with U.S. Route 29 in Columbia and its intersection with Maryland Route 650 (New Hampshire Avenue) in Ashton is the former route of U.S. 29 prior to the start of construction of the planned community of Columbia, which began in the late 1960s; the route forms the northern boundary of the town. Before the diversion of U.S. 29, MD 108 ended in Ashton at an intersection with the U.S. route.

The section of MD 108 between MD 104 (in Ellicott City) and the route's eastern terminus at MD 175 was a former alignment of MD 175 before the construction of 175's current route through the heart of Columbia.

[edit] Notes

  • The segment of MD 108 between US 29 and MD 104 was once designated Maryland Route 539.
  • Before the construction of the Patuxent Freeway between MD 108 and US 29, MD 32 once multiplexed with MD 108 through Clarksville for a short distance before turning onto a new alignment. The western end of the multiplex was at Guilford Rd., while the eastern end is now Exit 20 from MD 32.

[edit] See also

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