M4 Junction 34: Miskin (A4119)
Junction 34 at Miskin links the M4 to the A4119 for Llantrisant, about two miles north, and the Rhondda. Groes-faen and Miskin are close by. Hensol Castle is about a mile south-west, and Glamorgan Vale Retail Park about two miles north-west.
Llantrisant, the Rhondda and the business parks around Miskin all rely on this junction. The area map shows how the towns and roads link up around it.
The M4 in England: live M4 speed flow map · latest M4 traffic news (Junctions 1 to 23)
M4 Junction 34: 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.
- Junction M4 J34, Miskin
- Roads at this junction A4119
- Nearest town Llantrisant, 2.3 miles north
- Junction before J33, Capel Llanilltern, about 2.0 miles in a straight line
- Junction after J35, Pen-coed, about 6.1 miles in a straight line
Around M4 Junction 34: Miskin: Towns and Places on the Map

| Place | What it is | From the junction |
|---|---|---|
| Hensol Castle | Historic house or castle | About 1 mile south-west |
| Glamorgan Vale Retail Park | Shopping | About 2 miles north-west |
| Llys Llywelyn (Medieval Court) | Attraction | About 3.5 miles south-east |
| Radyr | Railway station | About 4.5 miles east |
| Forest Farm Country Park | Park or nature reserve | About 4.5 miles east |
| Castell Coch | Attraction | About 4.5 miles east |