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|direction_b=North |terminus_b= in Damascus |counties=Montgomery |previous_type=MD |previous_route=121 |next_type=MD |next_route=125 |browse= }} Maryland Route 124 (MD 124) is a state highway in the U.S. state of Maryland. The highway runs from MD 28 in Gaithersburg north to MD 108 in Damascus. MD 124 connects the central and northern Montgomery County communities of Gaithersburg, Montgomery Village, Redland, Laytonsville, and Damascus. The route is a major conduit on the western and northern sides of Gaithersburg, where the highway serves the National Institute of Standards and Technology and Lakeforest Mall and connects with Interstate 270 (I-270) and MD 355. MD 124 continues north past the Montgomery County Airpark, beyond which the route changes from a four- to six-lane divided highway to a two-lane road as it passes west of Laytonsville on its way to Damascus. MD 124 was built from Laytonsville south to Redland by 1910 and constructed from Gaithersburg to its southern end in the early 1910s. The intervening segment between Gaithersburg and Redland was built via Washington Grove in the early 1920s. MD 124's original route was completed when Laytonsville–Damascus highway was constructed between the mid-1920s and early 1930s. The highway bypassed Laytonsville in the late 1950s. MD 124 was rerouted through the western portion of Gaithersburg in the mid-1970s along a highway built in the mid-1950s concurrent with I-270 construction; the old route eventually became part of MD 117. In the mid-1990s. the highway was rerouted again north of MD 355, bypassing downtown Gaithersburg and Washington Grove along highways built by Montgomery County in the mid-1970s and late 1980s. MD 124 was expanded to a divided highway around I-270 by the mid-1970s, between there and its southern end in the late 1980s and late 1990s, along its northern bypass of Gaithersburg when it was placed on the bypass, and near the Montgomery County Airpark in 2010. ==Route description== MD 124 begins as Quince Orchard Road at an intersection with MD 28 (Darnestown Road) adjacent to Quince Orchard High School at the southwestern corner of the city of Gaithersburg. Quince Orchard Road heads south as a county highway into North Potomac. MD 124 heads northeast as a four-lane divided highway that follows the city limit to Long Draft Road and Kentlands Boulevard; the latter street provides access to the New Urbanism community of Kentlands. The state highway veers east into the city and intersects MD 119 (Great Seneca Highway). MD 124 again follows a city limit of Gaithersburg where it veers north and becomes an undivided highway along the western edge of the National Institute of Standards and Technology campus, which occupies an unincorporated enclave within the city.〔〔 MD 124 fully re-enters Gaithersburg at its junction with MD 117, which heads west as Clopper Road and east as West Diamond Avenue toward downtown Gaithersburg. The highway remains undivided until its passes under CSX's Metropolitan Subdivision, which carries MARC's Brunswick Line. North of the railroad crossing, MD 124 has a partial cloverleaf interchange with I-270 (Eisenhower Memorial Highway). There is no access from northbound MD 124 to southbound I-270 or from northbound I-270 to southbound MD 124; those movements are made via MD 117. North of its underpass of the freeway, MD 124 expands to six lanes and again to eight lanes for a short distance on either side of its intersection with MD 355 (Frederick Road). Including turn lanes, the highway is 11 lanes wide on the south side of the intersection. There is no direct access from southbound MD 124 to southbound MD 355; that movement is made via Russell Avenue, which provides access to Lakeforest Mall to the east.〔〔 MD 124 continues north from MD 355 as six-lane Montgomery Village Avenue. North of the mall, the state highway leaves the city limits and turns east onto four-lane Midcounty Highway; Montgomery Village Avenue continues through the heart of Montgomery Village. MD 124 re-enters Gaithersburg at its intersection with Goshen Road. The highway leaves and enters the city limits again around its crossing of Whetstone Run. East of the stream, MD 124 turns north onto Woodfield Road, a four-lane divided highway that exits Gaithersburg for the last time at Emory Grove Road and drops to three lanes (two northbound, one southbound), and then two. The highway expands to a four-lane divided highway again between Flower Hill Way—which leads to Washington Grove Lane, which leads to the town of Washington Grove—and MD 115 (Muncaster Mill Road) on the western edge of Redland. MD 124 continues as a four-lane undivided highway through an industrial area surrounding the Montgomery County Airpark.〔〔 South of Airpark Road, which provides access to the airport, MD 124 expands to a six-lane divided highway, which it remains until Fieldcrest Road. North of that county road, the highway gradually drops lanes and the median until it is a two-lane highway at East Village Avenue, a county highway into the northeastern part of Montgomery Village. MD 124 passes to the west of Laytonsville; access to the town is provided via Warfield Road and Brink Road. North of the latter highway, the state highway crosses Goshen Branch and Great Seneca Creek. MD 124 passes through the hamlet of Woodfield and parallels the Magruder Branch of Great Seneca Creek into the unincorporated community of Damascus. The highway reaches its northern terminus on the eastern edge of downtown Damascus at an intersection with MD 108 (Main Street). Woodfield Road continues north as a county highway; either MD 108 or Woodfield Road may be used to access MD 27 (Ridge Road).〔〔 MD 124 is a part of the National Highway System as a principal arterial from MD 28 to the Midcounty Highway–Woodfield Road intersection in Gaithersburg.〔〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Maryland Route 124」の詳細全文を読む スポンサード リンク
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