I-Ejensi Yomshuwalensi v Rockville ube nesilinganiso esimaphakathi — 4.6 (ngokwezilinganiso zomsebenzisi Mapich).
Sithole i-ejensi yomshuwalensi Rockville emigwaqweni elandelayo: Hungerford Dr, E Gude Dr, Rockville Pike, Research Ct, Crabbs Branch Way
Le datha ikhiqizwa kusetshenziswa izihlungi zangokwezifiso ezisuselwe kukho 7 Izinkampani, eyethulwe kuleli khasi.