Gaithersburg is a city in Montgomery County, Maryland, United States. At the time of the 2020 United States census, Gaithersburg had a population of 69,657, making it the third-largest incorporated ci
Summit Avenue in the early 1900s
Gaithersburg's Frederick Avenue in the mid-20th century
Maryland Route 117 is a state highway in the U.S. state of Maryland. The highway runs 12.40 miles from MD 28 near Dawsonville east to West Diamond Avenue next to MD 355 in Gaithersburg. MD 117 is an L
View east along MD 117 in Blocktown
Eastbound along MD 117 viewed from I-270 in Gaithersburg
MD 117's underpass of CSX's Metropolitan Subdivision rail line viewed from the highway's junction with MD 121 at Boyds