Bute Street, Cardiff Bute Street, Cardiff Bute Street () is a street in Cardiff, Wales. It links Cardiff Bay (previously Tiger Bay) and Butetown with Cardiff city centre. It now has no road number. It runs from the dockside of the Mermaid Quay complex in the south, which is now a pedestrian zone, to the junction of Bute Terrace (A4160) in the north. What is today Bute Street was previously mostly meadow and marshland called Soudrey, the Cardiff south moors. The 2nd Marquess of Bute realised in the 1820s that the Glamorganshire Canal was not sufficient to cope with the demands of the
Cardiff Bay Barrage Penarth, cutting two miles off the journey otherwise taken on the heavy-traffic roads further upstream. However, this benefit took years to materialise due to a lack of agreement between the derelict access land owners (Associated British Ports) and Cardiff Council. The "unfinished" barrage was the cause of much embarrassment to the Welsh Assembly. Cardiff Harbour Authority made significant progress in the creation of the bay edge walkway and have redeveloped a large portion of the previously inaccessible bay periphery and the bay edge walkway was finally completed and open to the public on Monday 30 June 2008, allowing public access