Isitolo Sebhayisikili v Rockville ube nesilinganiso esimaphakathi — 4.4 (ngokwezilinganiso zomsebenzisi Mapich).
Sithole isitolo sebhayisikili Rockville emigwaqweni elandelayo: Arctic Ave, Rose Avenue, Rockville Pike
Le datha ikhiqizwa kusetshenziswa izihlungi zangokwezifiso ezisuselwe kukho 3 Izinkampani, eyethulwe kuleli khasi.