M4 closed between Junction 10 and Junction 11 near Reading, 18 to 21 September 2026

M4 Junction 44

M4

M4 Junction 44: Lôn-las (A48, A4230)

Map of M4 Junction 44: Lôn-las
M4 Junction 44: Lôn-las. Map data © OpenStreetMap contributors. Map drawing © Corporate Ace Limited.

Junction 44 at Lôn-las links the M4 to the A48 and the A4230 for Llansamlet and east Swansea. Birchgrove and Tregof are close by, and Clydach is about two and a half miles north. Morriston Hospital is about three miles north-west.

Llansamlet, Birchgrove and the east of Swansea use this junction, as do drivers delivering across that side of the city. The map shows what is close by.

The M4 in England: live M4 speed flow map · latest M4 traffic news (Junctions 1 to 23)

M4 Junction 44: Live Traffic Information

This junction is on the M4 in Wales. National Highways’ live data, which our news, speed strip and records use, covers the M4 in England up to Junction 23. In Wales the motorway is run for the Welsh Government by Traffic Wales, so this page does not yet show live accidents, incidents, roadworks or speeds for this junction. We are working on adding them. Until then, check Traffic Wales before you travel.

Around M4 Junction 44: Lôn-las: Towns and Places on the Map

Map of the area within about 5 miles of M4 Junction 44: Lôn-las, showing the towns, villages, roads and places to visit
The area within about 5 miles of M4 Junction 44. Map data © OpenStreetMap contributors. Map drawing © Corporate Ace Limited.
Places on the Map Near M4 Junction 44
PlaceWhat it isFrom the junction
Morris CastleHistoric house or castleAbout 2.5 miles west
Morriston HospitalHospitalAbout 3 miles north-west
1940s Swansea BayAttractionAbout 3 miles south
Swansea Museum Collections CentreAttractionAbout 3 miles south-west
SwanseaRailway stationAbout 3.5 miles south-west

Junctions Either Side

M4traffic.co.uk is dedicated to the latest M4 traffic news, checked every five minutes, 24 hours a day. The M4 meets the M25 at Junction 4b near Heathrow and the M5 near Bristol — see M25 Traffic and M5 Traffic.