Izikhungo ku Rockville vula Research Blvd ube nesilinganiso esimaphakathi — 3.6 (ngokwezilinganiso zomsebenzisi Mapich).
Research Blvd, Rockville ezitholakele — ihotela futhi ezinye izikhungo.
Le datha ikhiqizwa kusetshenziswa izihlungi zangokwezifiso ezisuselwe kukho 3 Izinkampani, eyethulwe kuleli khasi.