Question: North of the Gaithersburg area, Interstate 270 passes what urbanized census-designated place in Montgomery County, Maryland?
Sentence (from "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.
Relevant evidence: Yes