DASH is a 20.1km, three-lane elevated dual-carriage expressway running from Puncak Perdana U10 Shah Alam Interchange to the Penchala Interchange. Consisting of 13 interchange points and reaching out to over 45 residential areas along it, DASH will also connect to the existing Guthrie Corridor Expressway, Lebuh Damansara Puchong and the SPRINT Highway.