M4

London - South Wales Motorway



east

A4
Central London

A315
Chiswick

A406
Nort Circular

A205
South Circular

A4
Staines, Hounslow

Heston Services
Fuel Parking Toilets Restaurant Cafeteria Shop

Heston Services
Fuel Parking Toilets Restaurant Cafeteria Shop

A312
Heyes, Harrow

A312
Heathrow (T4), Feltham, Hounslow

(A408)
Uxbridge

Heathrow Airport (T1, T2, T3)

M25
(M40, M1), Oxford, Watford

M25
(M3, M23), Heathrow (T4, T5), Gatwick

A4
Langley

A4
Colnbrook

B470
Eton, Datchet

A355
Slough

A355
Windsor (A332)

 

A4
Slough

 

A4
Maidenhead

A308(M)
Maidenhead

A404(M)
High Wycombe, Henley-on-Thames

 


A329(M)
Reading


A329(M)

Wokingham, Bracknell

B3270
Earley

A33
Reading

A33
Basingstoke

Reading Services
Fuel Parking Toilets Restaurant Cafeteria Shop

Reading Services
Fuel Parking Toilets Restaurant Cafeteria Shop

 

A4
Reading

A4
Theale






A34

Oxford

Chieveley Services
Fuel Parking Toilets Restaurant Cafeteria Shop



A34
Newbury

 

A338
Wantage

A338
Hungerford

 

Membury Services
Fuel Parking Toilets Restaurant Cafeteria Shop

Membury Services
Fuel Parking Toilets Restaurant Cafeteria Shop

A419
Swindon (E), Oxford (A420)

A346
Marlborough

B4005
Wroughton

A3120
Swindon

A3102
Royal Wootton Basett, Calne

 

B4122
Sutton Benger

A429
Cirencester

A350
Chippenham

Leigh Delamere Services
Fuel Parking Toilets Restaurant Cafeteria Shop

Leigh Delamere Services
Fuel Parking Toilets Restaurant Cafeteria Shop

A46
Stroud

A46
Bath

M32
Bath

M5
The Midlands, Gloucester

M5
The South West, Bristol (W) and Airport

M48
Chepstow

M49
The South West, Avonmouth

Second Severn Crossing

River Severn

Toll Plaza

M48
Chepstow

Magor Services
Fuel Parking Toilets Restaurant Cafeteria Shop

A4810
Magor, Caldicot

A48
Langstone

A449
Monmouth

A48
Newport

B4237

B4596
Carleon

B4596
St Julians

A4042
Cwmbran

A4042
Newport

 

Brynglas Tunnel

A4051
Cwmbran

A4051
Newport, Carleon (B4596)

B4591
High Cross

B4591
Newport

A467
Risca, Brynmawr

A48
Newport

A48
Castleton

A48(M)
Cardiff

Rudry

A4232
Cardiff

Cardiff Gate Services
Fuel Parking Toilets Restaurant Cafeteria Shop

A4054
Tongwynlais

A470
Merthyr Tydfil

A470
Cardiff

A4054
Whitchurch

Cardiff West Services
Fuel Parking Toilets Restaurant Cafeteria Shop

A4232
Cardiff, Barry, Penarth

A4119
Llantrisant, Rhondda

Pendoylan

Pencoed Technology Park

A473
Pencoed

A473
Bridgend

A4061
Bryncethyn

A4063
Maesteg

A4061
Bridgend

Sarn Park Services
Fuel Parking Toilets Restaurant Cafeteria Shop

 

A4229
Pyle

A4229
Porthcawl

A48
Pyle

A48
Port Talbot

A4017
Cymmer

A4017
Port Talbot

B4026
Cwmavon

A48
Port Talbot

A48
Briton Ferry

A4241
Aberavon

 

 

A48
Britton Ferry


A483
Swansea


A465
Neath, Merthyr Tydfil

B4290
Skewern

A4230
Sewern

B4291
Birchgrove

A48
Swansea (E)

Swansea Vale

 

 

A4067
Pontadawe

A4067
Swansea (N)

B4603

B4603

A48
Morriston

Felindre

B4489
Llangyfelach

Swansea West Services
Fuel Parking Toilets Restaurant Cafeteria Shop

A483
Swansea (W)

A48
Gorseinon

A4138
Pontarddulais

A4138
Llanelli

A48
Pontarddulais

Pont Abraham Services
Fuel Parking Toilets Restaurant Cafeteria Shop

A483
Llandeilo

A48
Carmarthen

west