Swansea Canal coal and culm shipped from Swansea Docks suggest around 386,000 tons in 1839. The opening of the Tennant Canal to Swansea Docks in 1824 resulted in the Swansea Canal's riverside wharfs being improved, and tolls were reduced to maintain trade levels. The harbour facilities at Swansea were upgraded in 1852, when the river Tawe was diverted into a new channel to the east, and the original channel, which included the trans-shipment wharfs, became a floating harbour. A lock was constructed to give the canal boats direct access to the half-tide basin above the North Dock, and a loop of the
Swansea with the A48 before continuing through mid Wales and terminating at Chester. The A4067 connecting Mumbles with the city centre and continuing up the Swansea Valley towards Brecon is also a dual carriageway for much of its route through Swansea. Other notable local roads include the A484, which provides a link from Fforestfach west to Llanelli, and the A4118, the main route westwards from the city centre across Gower to Port Eynon. Swansea railway station is located 10 minutes from Swansea bus station by foot. Services calling at Swansea operate to Llanelli, Carmarthen, Milford Haven and Haverfordwest to the west,