M4 Junction 25: Caerleon Interchange
Junction 25 at Caerleon is a westbound exit and eastbound entry for Caerleon and east Newport, on the B4596. St Julians, Summerhill and Maindee are close by. St Joseph's Hospital is about a mile and a half north-west, and the Royal Gwent Hospital about two miles south-west.
Caerleon residents, visitors to its Roman remains, and people heading for St Joseph's Hospital can use the area map below to see how the junction links them to the motorway.
The M4 in England: live M4 speed flow map · latest M4 traffic news (Junctions 1 to 23)
M4 Junction 25: 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 J25, Caerleon Interchange
- Nearest town Newport, 1.4 miles south-west
- Junction before J24, Coldra, about 2.1 miles in a straight line
- Junction after J25A, Grove Park, about 0.5 miles in a straight line
Around M4 Junction 25: Caerleon Interchange: Towns and Places on the Map

| Place | What it is | From the junction |
|---|---|---|
| St. Joseph's Hospital | Hospital | About 1.5 miles north-west |
| Royal Gwent Hospital | Hospital | About 2 miles south-west |
| Newport Stadium | Venue | About 2 miles south |
| Mendalgief Retail Park | Shopping | About 2 miles south-west |
| Newport Medieval Ship museum | Attraction | About 2.5 miles south-east |
| Bettws Shopping Centre | Shopping | About 2.5 miles west |
| Fourteen Locks | Attraction | About 3 miles west |
| Stay Balanced Alpaca Experiences | Attraction | About 3 miles south-east |