Uxhaxha lwezitolo v Rockville ube nesilinganiso esimaphakathi — 3.9 (ngokwezilinganiso zomsebenzisi Mapich).
Sithole uxhaxha lwezitolo Rockville emigwaqweni elandelayo: Maryland Ave, Shady Grove Rd, Rock Creek Trail, Rockville Pike, Veirs Mill Rd, Wootton Pkwy
Le datha ikhiqizwa kusetshenziswa izihlungi zangokwezifiso ezisuselwe kukho 8 Izinkampani, eyethulwe kuleli khasi.