A Erlen Road is found in the neighborhood(s) listed below.
/PA/Montgomery_County/Cheltenham_Township/LaMott.html">LaMott Cheltenham Township, PA Listed on the National Register of Historic Places.
/PA/Montgomery_County/Plymouth_Township/Plymouth_Valley.html">Plymouth Valley Plymouth Township, PA Subdivision of detached single family homes built during the late 1940s and early 1950s.