Isaluni yobuhle v Rockville ube nesilinganiso esimaphakathi — 4.1 (ngokwezilinganiso zomsebenzisi Mapich).
Sithole isaluni yobuhle Rockville emigwaqweni elandelayo: Rollins Ave, Pleasant Dr, Halpine Rd, E Jefferson St, Shady Grove Rd, N Washington St, Rockville Pike
Le datha ikhiqizwa kusetshenziswa izihlungi zangokwezifiso ezisuselwe kukho 7 Izinkampani, eyethulwe kuleli khasi.