Ijimi v Rockville ube nesilinganiso esimaphakathi — 3.8 (ngokwezilinganiso zomsebenzisi Mapich).
Sithole ijimi Rockville emigwaqweni elandelayo: E Jefferson St, Fallsgrove Dr, Rockville Pike, Randolph Rd, Maryland Ave
Le datha ikhiqizwa kusetshenziswa izihlungi zangokwezifiso ezisuselwe kukho 5 Izinkampani, eyethulwe kuleli khasi.