Umtholampilo Wamazinyo v Rockville ube nesilinganiso esimaphakathi — 4.8 (ngokwezilinganiso zomsebenzisi Mapich).
Sithole umtholampilo wamazinyo Rockville emigwaqweni elandelayo: Hubbard Dr, Old Georgetown Rd
Le datha ikhiqizwa kusetshenziswa izihlungi zangokwezifiso ezisuselwe kukho 3 Izinkampani, eyethulwe kuleli khasi.