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 section, and four lanes each way between junctions on the Northern and Western sections. Transport Infrastructure Ireland also increased capacity at many of the motorway's busiest junctions by building triple-grade interchanges instead of the lower capacity roundabouts and crossroads that had been in place. The toll at the West-Link which caused huge tailbacks was demolished and replaced by a tag tolling system. This reduced tailbacks greatly. The M1, M2, M3, M4, M6, M7, M8, M9 and M11 motorways all serve the Greater Dublin Area. Dublin is surrounded by what have been termed by Dublin City Council as an inner and