sentences:  An extension of the Luas to Cherrywood opened for passenger service on Saturday 16 October 2010, using most of the old railway alignment.The route leaves the old alignment after the Sandyford Depot, crosses the M50 motorway and runs down Ballyogan Road, before crossing the M50 again, and re-joining the original alignment before the Carrickmines station.The Railway Procurement Agency announced in 2009 that the Brennanstown stop would not open due to lack of local development.