Dublin Bay of Dublin reach the Irish Sea at Dublin Bay: the River Liffey, with the River Dodder flow received less than 1 km inland, River Tolka, and various smaller rivers and streams. The metropolitan area of the city of Dublin surrounds three sides of the bay (the north, west, and south), while the Irish Sea lies to the east. Dublin was founded by the Vikings at the point where they were able to ford the River Liffey with the first wattle bridge up from the estuary. The city spread from its birthplace, around what is now the James's Gate area, out
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