This is a feature class in the geodatabase Planimetric Mapping Features: Montgomery County, Maryland, 2015. The data set consists of transportation features other than roads which were developed as part of the planimetric mapping effort. Features were photogrammetrically captured from aerial photography and include items such as airports, unpaved roads and tunnels. Attributes include names and the GeoMaP assigned feature code.11/10/2015: Entire countywide data updated by KUCERA INTERNATIONAL. Source date: 4/10/2014 imagery