Ibhangi v Rockville ube nesilinganiso esimaphakathi — 3.9 (ngokwezilinganiso zomsebenzisi Mapich).
Sithole ibhangi Rockville emigwaqweni elandelayo: E Gude Dr, Hungerford Dr, Rockville Pike, King Farm Blvd, Congressional Ln, N Washington St
Le datha ikhiqizwa kusetshenziswa izihlungi zangokwezifiso ezisuselwe kukho 12 Izinkampani, eyethulwe kuleli khasi.