The eastern border of the Potomac eruv runs along I-270. At the corner of I-270 and Falls road, the eruv goes south on Falls Rd, makes a left at Bells Mill, takes a right at Democracy Lane, turns left at Democracy Blvd, then left at Westlake Dr, and finally connects with the I-270 fence at the power station south of Tuckerman Lane.
(Eruv map and decription courtesy of Beth Sholom Congregation and Talmud Torah)
Ateres Yisroel Mikvah
Mikvah Ateres Yisroel
is located in the Chabad Center directly across the street from Young Israel.