Question: North of the Gaithersburg area, Interstate 270 passes what urbanized census-designated place in Montgomery County, Maryland?

full_context: Document 1: Maryland Route 97: Maryland Route 97 (MD 97) is a state highway in the U.S. state of Maryland. The route runs 55.27 mi from U.S. Route 29 (US 29) in Silver Spring, Montgomery County north to the Pennsylvania border in Carroll County, where the road continues into that state as Pennsylvania Route 97 (PA 97). Throughout most of Montgomery County, MD 97 is known as Georgia Avenue, which continues south from the southern terminus along US 29 into Washington, D.C. It is a suburban four- to six-lane divided highway from Silver Spring north to Olney. From here, the route continues as a rural two-lane road north through Brookeville and into Howard County. MD 97 continues through Carroll County where it passes through the county seat of Westminster. The route intersects many major roads, including Interstate 495 (I-495, Capital Beltway) north of Silver Spring, MD 200 (Intercounty Connector) in Aspen Hill, MD 28 in Norbeck, I-70 and US 40 in Cooksville, MD 26 in Dorsey Crossroads, and MD 27, MD 32, and MD 140 in the Westminster area.
Document 2: Baltimore County, Maryland: Baltimore County is a county in the U.S. state of Maryland. It is Maryland's third-most populous county. Baltimore County is part of the Baltimore metropolitan area and Baltimore-Washington metropolitan area (a combined statistical area). The county is also part of the Northeast Megalopolis, which stretches from Boston to Washington, D.C. It hosts a diversified economy, with particular emphasis on government, education and health care.
Document 3: Interstate 97: Interstate 97 (I-97) is a part of the Interstate Highway System that runs entirely within Anne Arundel County, Maryland. The intrastate Interstate runs 17.62 mi from U.S. Route 50 (US 50) and US 301 in Parole near Annapolis north to I-695 and I-895 in Brooklyn Park near Baltimore. The Interstate is the primary highway between Baltimore and Annapolis. I‑97 connects Annapolis with Baltimore–Washington International Airport and links the northern Anne Arundel County communities of Crownsville, Millersville, Severna Park, Glen Burnie, and Ferndale. It is the shortest primary Interstate Highway.
Document 4: Ellicott City, Maryland: Ellicott City is an unincorporated community and census-designated place, along with being the county seat of local government in Howard County, Maryland, United States. It is part of the Baltimore Metropolitan Area. The population was 65,834 at the 2010 census. Founded in 1772, the town contains the B. & O. Railroad Museum's branch at the Ellicott City Station, built in 1830 as the first terminus of the initial line. The downtown historic district is located in the valley of the small Tiber River, with its east end abutting the Patapsco River, which forms the Baltimore County line. As of the 2000 census, Ellicott City surpassed Towson (county seat of neighboring Baltimore County) for the first time, as the largest unincorporated county seat in the country.
Document 5: Germantown, Maryland: Germantown is an urbanized census-designated place in Montgomery County, Maryland. With a population of 90,676 as of 2013 U.S. Census Bureau estimates, Germantown is the third most populous place in Maryland, after the city of Baltimore, and the census-designated place of Columbia. If Germantown were to incorporate as a city, it would become the second largest incorporated city in Maryland, after Baltimore. Germantown is located approximately 25-30 mi outside of the U.S. capital of Washington, D.C. and is an important part of the Washingtonian metropolitan area.
Document 6: Maryland Route 124: Maryland Route 124 (MD 124) is a state highway in the U.S. state of Maryland. The highway runs 17.03 mi 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.
Document 7: Interstate 270 (Ohio): Interstate 270 (abbreviated I-270) is the beltway loop freeway in the Columbus metropolitan area, commonly known locally as "The Outerbelt," or the "Jack Nicklaus Freeway." The "western" (and "eastern") terminus of I-270, at least in terms of the zero-milepost, is at the junction with I-71 east of Grove City, Ohio. I-270, along with I-670, provides access to John Glenn Columbus International Airport. The entire length of I-270 is 54.97 mi . It is one of four interstate loops not to share with another interstate freeway, the others being I-295 in Florida, I-485 in North Carolina, and I-610 in Texas.
Document 8: Clarksburg, Maryland: Clarksburg is a census-designated place and an unincorporated area in northern Montgomery County, Maryland, United States, located along the Interstate 270 technology corridor about 4 miles north of Germantown, Maryland. As of Census 2010 its population was 13,766.
Document 9: Interstate 270 (Maryland): Interstate 270 (abbreviated I-270) is a 34.70 mi auxiliary Interstate Highway in the U.S. state of Maryland that travels between I-495 (the Capital Beltway) just north of Bethesda, Montgomery County and I-70 in the city of Frederick in Frederick County. It consists of the 32.60 mi mainline as well as a 2.10 mi spur that provides access to and from southbound I-495. I-270 is known as the Washington National Pike, and makes up the easternmost stretch of the Dwight D. Eisenhower Memorial Highway. Most of the southern part of the route in Montgomery County passes through suburban areas around Rockville and Gaithersburg that are home to many biotech firms. This portion of I-270 is up to twelve lanes wide and consists of a local-express lane configuration as well as high-occupancy vehicle lanes that are in operation during peak travel times. North of the Gaithersburg area, the road continues through the northern part of Montgomery County, passing Germantown and Clarksburg as a six- to eight-lane highway with a HOV lane in the northbound direction only. North of here, I-270 continues through rural areas into Frederick County and toward the city of Frederick as a four-lane freeway.
Document 10: Forestville, Maryland: Forestville is an unincorporated area and census-designated place (CDP) in Prince George's County, Maryland, United States. The population was 12,353 at the 2010 census. The community is a mixture of garden apartments, single-family homes, and shopping centers built mostly from the 1930s through 1970s, adjacent to the incorporated town of District Heights, and has a majority African-American population. It is convenient to the Capital Beltway (I-95/I-495), Maryland Route 4 (which has department stores and shopping centers), and for employees of Andrews Air Force Base and the U.S. Census Bureau. It is a few miles from Metrorail's Blue and Green lines. Residents may attend Mount Calvary Catholic School, Forestville, Suitland, or Bishop McNamara High Schools. A notable former resident was Steny Hoyer, now Democratic Leader of the United States House of Representatives.
Document 11: Rockville, Maryland: Rockville is a U.S. city located in the central region of Montgomery County, Maryland. It is the county seat and is a major incorporated city of Montgomery County and forms part of the Baltimore–Washington metropolitan area. The 2010 census tabulated Rockville's population at 61,209, making it the third largest incorporated city in Maryland, behind Baltimore and Frederick. Rockville is the largest incorporated city in Montgomery County, Maryland, although the nearby census-designated place of Germantown is more populous.
Document 12: Gaithersburg, Maryland: Gaithersburg ( ), officially the City of Gaithersburg, is a city in Montgomery County, Maryland. At the time of the 2010 U.S. Census, Gaithersburg had a population of 59,933, making it the fourth largest incorporated city in the state, behind Baltimore, Frederick, and Rockville. Gaithersburg is located to the northwest of Washington, D.C., and is considered a suburb and a primary city within the Washington–Arlington–Alexandria, DC–VA–MD–WV Metropolitan Statistical Area. Gaithersburg was incorporated as a town in 1878 and as a city in 1968.
Document 13: Upper Marlboro, Maryland: Upper Marlboro, officially the Town of Upper Marlboro, is the seat of Prince George's County, Maryland in the United States. The population within the town limits was 631 at the 2010 U.S. Census, although Greater Upper Marlboro is many times larger.
Document 14: Maryland Route 117: Maryland Route 117 (MD 117) is a state highway in the U.S. state of Maryland. The highway runs 12.40 mi from MD 28 near Dawsonville east to West Diamond Avenue next to MD 355 in Gaithersburg. MD 117 is an L-shaped highway that connects the rural western Montgomery County communities of Dawsonville and Boyds with Germantown, Gaithersburg, and Interstate 270 (I-270) in the suburban central part of the county. The highway also provides access to Seneca Creek State Park, the National Institute of Standards and Technology, and several commuter rail stations along MARC's Brunswick Line, which the highway parallels. MD 117 was the inspiration for the 1971 hit song Take Me Home, Country Roads.
Document 15: Maryland Route 121: Maryland Route 121 (MD 121) is a state highway in the U.S. state of Maryland. Known as Clarksburg Road, the highway runs 3.96 mi from MD 117 in Boyds north to Stringtown Road between Interstate 270 (I-270) and MD 355 in Clarksburg. MD 121 connects Boyds and Clarksburg in northern Montgomery County. The highway was paved from Clarksburg to Boyds in the early to mid-1910s. MD 121 was extended to north of Clarksburg in the late 1920s and early 1930s. MD 121 was relocated through Clarksburg in the mid-1950s when I-270 was constructed through the area. The highway's northern end was rolled back to MD 355 in the mid-1970s. MD 121 was relocated in Boyds in the mid-1980s. The highway's northern end was moved to its present terminus just north of I-270 when Stringtown Road was constructed in the mid-2000s. In addition to the Boyds–Clarksburg route, MD 121 has also included three disjoint segments in Dawsonville and Germantown. All three of these routes were segments of the original MD 119.
ground_truth: Germantown