Transport in Dublin Grand Canal in the northern and southern portions of the city respectively. The canals were originally built for freight and passenger transportation from the River Liffey at Dublin to the River Shannon in western Ireland. Today, the canals, run by Waterways Ireland, are fully operable but are used only occasionally for pleasure craft. Dublin is served by a major port which handles a mixture of passengers and freight to and from the UK, Dublin Port, which is situated just outside the city centre, with a bus from Dublin Connolly connecting with the trains. Dublin Port is situated closer to the
Transport in Dublin Dún Laoghaire harbour from both Malahide and Howth in the north which en route to Dún Laoghaire goes straight the city centre. It is also served from Greystones in the south. Both domestic and international air traffic in Dublin is served by Dublin Airport which is located 10 km north of Dublin city centre in Collinstown and is accessible by car or bus. It is the busiest airport by far in Ireland with 27.9 million passengers in 2016, making it the 15th busiest airport in Europe with flights to other airports in Ireland, Europe, North America, Africa and the Middle