M4 motorway - - M4

M4 motorway - - M4

EXITS
	ref	name	exit_to
	49	Pont Abraham
	48	Hendy	A4138 Llanelli
	47	Penllergaer	A483 Swansea West;A48 Gorseinon
	45	Ynysforgan	A4067 Pontardawe
	45	Ynysforgan	A4067 Swansea, Pontardawe
	44	Lôn-las	A48 Swansea East
	44	Lôn-las	A48 Swansea East
	43	Llandarcy	A465 Neath, Merthyr Tydfil
	43	Llandarcy	A465 Neath, Merthyr Tydfil
	42	Earlswood	A48 Briton Ferry;A483 Swansea
	42	Earlswood	A483 Swansea
	41	Pentyla	A48 Port Talbot
	40	Taibach	A4107 Port Talbot
	38	Margam
	36	Sarn	A4061 Bridgend;A4063 Maesteg
	36	Sarn
	35	Pen-coed	A473 Pen-coed
	33	Capel Llanilltern
	33	Capel Llanilltern
	32	Coryton
	32	Coryton
	30	Pentwyn	A4232 Cardiff East
	29	Castleton	A48(M) Cardiff East & South
	28	Tredegar Park	A48 Newport;A467 Risca, Brynmawr
	28	Tredegar Park	A48 Newport;A467 Risca, Brynmawr
	27	High Cross	B4591 High Cross
	26	Malpas Interchange
	26	Malpas Interchange
	25A	Grove Park
	25	Caerleon Interchange	B4596 Caerleon
	24	Coldra
	24	Coldra
	23A	Magor	B4245 Magor
	23A	Magor	B4245 Magor
	23	Rogiet	M48 Chepstow
	22	Pilning
	21	Awkley Interchange	M48 Chepstow
	20	Almondsbury	M5 The South West, Bristol West, Bristol Airport, The Midlands, Gloucester
	20	Almondsbury	M5 The South West, Bristol West, Bristol Airport, The Midlands, Gloucester
	19	Hambrook
	19	Hambrook
	17	Stanton St Quintin
	17	Stanton St Quintin
	16	Spittleborough
	15	Plough Hill Interchange
	15	Plough Hill Interchange	A346 Marlborough;A419 Swindon
	12	Theale
	12	Theale
	11	Three Mile Cross
	11	Three Mile Cross
	10	Winnersh
	7	Huntercombe Spur
	7	Huntercombe Spur
	5	Langley Roundabout
	5	Langley Roundabout
	4B	Thorney	M25, (M1) Watford, (M40) Birmingham, Heathrow Airport T4, (M23) Gatwick Airport, (M3) Winchester
	4B	Thorney	M25, Heathrow Airport T4, (M23) Gatwick Airport, (M40) Birmingham, (M1) Watford
	4	Heathrow	Uxbridge, Hayes,Heathrow Airport T123
	4	Heathrow	(A408) Uxbridge,Heathrow Airport T123
	3	Cranford Parkway
	3	Cranford Parkway
	1	Chiswick Roundabout