A55 road

A55 links many of the main arterial routes within the city as well as creating a bypass of the often congested city centre and problematic A12 Westlink. Large sections of the route in east Belfast have been upgraded to dual carriageway standard with at-grade traffic light controlled junctions, together with off-road cycle paths alongside. However many sections (e.g. through Knock and from the Shaw's Bridge (Belvoir) to the M1) remain single carriageway, with four lanes of traffic. (Though the section through Knock has a proposed upgrade going through the final designs stages as of January 2009.) Despite this, all of the route in the west and north of the city (with the notable exception of…