M4
J4b
M4 Junction 4b
Junction 4b of the M4 sits at Thorney, linking the motorway with the M25. The next junction westbound is Junction 5, 2 miles further on, while eastbound traffic reaches Junction 4a after 2.7 miles. For a motorway stop, Heston services are the closest, roughly 4.4 miles along the M4.
The village centre itself is 0.7 miles north of the junction. Uxbridge is 3.5 miles north. There are 54 places to eat and drink, 14 pubs, 4 fuel stations, 3 EV charging points, 2 supermarkets and 1 green space within two miles of the junction.
Junction 4B is where the M4 meets the M25, so it is not a great junction to leave the motorway.
Next junction
J5 · 2 mi
Previous junction
J4a · 2.7 mi
Nearest services
Heston · 4.4 mi
Connecting roads
M25
More on the M4: M4 guide
Fuel near Junction 4b of the M4
Esso Mill Road Service Station
Shell West Drayton
Shell Yiewsley
EV Chargers near Junction 4b of the M4
View all ev chargers near Junction 4b of the M4 on the map →Food & Drink near Junction 4b of the M4
Naylors Cafe
Curry Paradise
Greggs
Fat Boys Cafe
Griddle Cafe
Supermarkets near Junction 4b of the M4
Aldi
Family Sari Sari Store
Pubs near Junction 4b of the M4
The Tower Arms
The Crown
The Cat & Fiddle
Simply Snacks
Punch Bowl
Outdoor near Junction 4b of the M4
09L Heathrow Viewpoint