Umkhandi wezikhiye v Rockville ube nesilinganiso esimaphakathi — 4.7 (ngokwezilinganiso zomsebenzisi Mapich).
Sithole umkhandi wezikhiye Rockville emigwaqweni elandelayo: Taft St
Le datha ikhiqizwa kusetshenziswa izihlungi zangokwezifiso ezisuselwe kukho 2 Izinkampani, eyethulwe kuleli khasi.