The A4240 is a main road in

Gorseinon Gorseinon is a town within the City and County of Swansea, Wales, near the Loughor estuary. It was a small village until the late 19th century when it grew around the coal mining and tinplate industries. It is situated in the north west of Sw ...

, Swansea,

Wales Wales ( cy, Cymru ) is a country that is part of the United Kingdom. It is bordered by England to the east, the Irish Sea to the north and west, the Celtic Sea to the south west and the Bristol Channel to the south. It had a population in ...

Route

The A4240 begins at the roundabout at the

Loughor Loughor () ( cy, Casllwchwr) is a Welsh town in the City and County of Swansea, within the Historic counties of Wales, historic county boundaries of Glamorgan, Wales. It lies on the estuary of the River Loughor. The town has a community (Wales), ...

side of the Loughor bridge. The road heads east through Loughor, then onwards through

, where it forms the east–west main road intersecting with the B4296 in central Gorseinon. The A4240 then continues through the Garngoch Industrial Estate and then through

Penllergaer Penllergaer ( cy, Penlle'r-gaer) is a village and community in the City and County of Swansea, Wales, to the east of Gorseinon, within the electoral ward of the same name. It is situated about 4.5 miles north west of Swansea city centre, near jun ...

after which it continues along a single carriageway shared with the A48 until it reaches the roundabout which forms Junction 47 with the M4 motorway.

References

{{DEFAULTSORT:4-4240 Transport in Swansea Roads in Wales