List of the M25 Motorway Junctions with Connections
Junctions on the North Side of the M25
The North side of the M25 runs fairly straight between Hunton Bridge,
and Kings Langley at Junction 20 on the West side round to Epping
Junction 27 on the East side where the M25 connects with the M11.
M25 Junction 20 at Kings Langley connects to the A41
heading South inside the M25 to Edgware and North outside the M25 to
Aylesbury.
M25 Junction 21 connects with the M1 (M1 Junction 7) at Winch Hill
Wood.
M25 Juncton 22 connects to the A1081 for London Colney and St Albans.
M25 Junction 23 connrects to the A1(M) for Hatfield at South Mimms.
M25 Junction 24 at Potters Bar.
M25 Junction 25 connects the A10 at Waltham Cross.
M25 Junction 26 connects the A121 at Waltham Abbey.
Junctions on the East side of the M25
The East side of the M25 runs reasonably straight North South from
Junction 28 at Brentwood to Junction 4 at Longspring Wood.
M25 Junction 29 is at Codham Hall Wood where
the M25 connects to the A127 Arterial Road going to Romford to the West
inside the M25 and to Basildon to the West outside the M25.
M25 Junction 30 connects to the A13 at Low Well Wood
where the A13 heads West into London and Rainham and out West to
Stanford-le-Hope.
Heading South from Junction 30 from Junction 31 at West
Thurrock (North side of the Thames) the M25 is a Toll Road
(fees apply for using the road) and the M25 (A282 at this point) goes
under the River Thames via the Dartford Tunnel or over the River Thames
via the Queen Elizabeth II Bridge.
The Queen Elizabeth bridge is a stunning sight at 812 metres (2,664
ft) long and 57.5 metres (189 ft) high at road level (total height 137
metres or 449 ft) and is a cable-stayed bridge. The Dartford Tunnel is
1,430 metres (4,691 ft) long and first openned (West Tunnel) in 1963
with the bridge coming later in 1991.
M25 Junction 1A is on the South side of the Dartford
Crossing and connects to the A206 and Junction 1B conntecting to the
A226 to Dartford to the West inside the M25 and to Swanscombe to the
East outside the M25.
M25 Junction 2 joins the A2 (Watling Street) South
of Dartford the A2 then becoming the M2 at Cole Wood heading to
Faversham.
M25 Junction 3 at Swanley joins the M20 heading
South East away from London to Folkstone.
M25 Junction 4 connects to the A21 (Sevonoaks Road)
at Longspring Wood heading inside the M25 then becoming the A232 to
Croydon, via West Wickham.
Junctions on the South Side of the M25
The South side of the M25 runs reasonably straight East West between
the M25 Junction 5 that connects to the M26 in the East
across to M25 Junction 12 which is the Junction that connects to the M3
motorway.
The M26 Motorway joins the M20 motoway heading to Folkstone.
M25 Juntion 6 connects to the A22 at Godstone. The
A22 heading north into London connecting with the A23 at Purley, South
Croydon. The A22 heading south from the M25 to Eastbourne.
M25 Junction 7 connects to the M23 Motorway heading
South to Crawley and Gatwick Airport and North on the A23 to Purley.
M25 Junction 8 connects to the A217 heading South to
Reigate and North to Kingswood.
M25 Junction 9 at Leatherhead connects to the
A24 which heads North to Epsom and South to Dorking.
M25 Junction 10 at Cobham connects to the A3 whcih
heads South to Guildford and North to Chessington popular for
Chessington World of Adventures.
M25 Junction 11 at Chertsey connects to the A317
heading to Weybridge inside the M25 and outside the M25 to the A320 to
Woking.
M25 Junction 12 at Thorpe, popular for Thorpe Park
adventure park, connects to the M3 motorway. The M3 heads East into
London and Sunbury-on-Thames and West away from London to Portsmouth via
Camberley, Basinstoke and Winchester.
Junctions on the West side of the M25
The West side of the M25 runs North South is a relatively straight
line from Junction 13, Staines-upon-Thames to Junction
19 Watford.
M25 at junction 14 Heathrow Airport.
M25 Junction 15 connects to the M4 motorway. The M4
heads East inside the M25 to cental London via Heathrow Airport North,
and the M4 heads West outside the M25 to South Wales via Slough,
Maidenhead and Reading, Swindon
and Bristol to Wales.
M25 Junction 16 at Denham joins the M40
motorway which heads north east to Earlswood in
Warchickshire.
M25 Junction 17 at Mill End connects via the A405
North Orbital road to the A412 Uxbridge Road to Rickmansworth (North)
and Denham (South).
M25 Junction 18 at Chorleywood connects to the A404
which heads inside the M25 to Rickmansworth and outside the M25 to
Amersham.
M25 Junction 19 at Birch Spring heads inside the M25
to connect to the A41 and A411 for Watford.