between the motorways and railways. Adamstown railway station re-opened in 2007 to serve the area; it is located south of Finnstown, Lucan. This station will also service significant further developments planned to the south of Adamstown townlands and the south/southwest commuter line. In 2018 it was announced that the Luas is planned to be extended to Lucan under the government's Project Ireland 2040 transport plan. Dublin Bus provides several bus services to the area. Feeder routes, such as the L52, run through Lucan from Adamstown to Blanchardstown. Some independent bus operators also serve Lucan. Weston Airport is located to the west of Lucan near the Dublin/Kildare border. This facility conducts pilot training and serves privately owned light aircraft and helicopters. Its new terminal is located south of the M4 to the east of the Dublin Celbridge Road and Kildare border. Features King John's Bridge King John's Bridge in Griffeen Park is reputed to be the oldest surviving bridge in Ireland, having apparently been constructed sometime during the reign of John, King of England from 1199 to 1216. Originally composed of three arches, only one arch survives today - and it is in a ruinous state. The bridge is situated in quiet parkland and crosses the narrow Griffeen River; it is sited close to the ruins of Old Esker Church. Postcards were printed of the bridge in the 1930s such was its notability. South Dublin County Council have proposed €20,000 be made available to carry out conservation work on the bridge to make it a more prominent historical landmark. Lucan House Lucan House is a seven-bay two-storey over basement Palladian country villa. Agmonisham Vesey cleared the previous residence and began construction in 1772. The architecture is the work of Vesey and William Chambers, with Michael Stapleton responsible for the plasterwork. The estate passed through the Sarsfield, Vesey and Colthurst families through marriage and also was once the residence of Charles Hugh O'Conor, the third son of Charles Owen O'Conor and then, in 1954, it was purchased by the Italian Government for use as the residence of the Italian Ambassador to Ireland. The remainder of the estate land is now Liffey Valley Park. Others Another notable feature is St Finian's medieval church and graveyard at Esker. Amenities The Griffeen Valley Park runs along the Griffeen River, with some smaller outlying park areas among housing developments to the west. The main area of