Junctions
Data from driver location signs provide carriageway identifier information. The numbers on the signs are kilometres from a point near the River Thames, east of London, when travelling clockwise on the motorway. The table below gives details of each junction, including the roads interchanged and the destinations that are signed from the motorway. Figures in kilometres are from the driver location signs; figures in miles are derived from them.
| A282 road - Dartford Crossing | |||||
| mi | km | Clockwise exits (A Carriageway) | Junction | Anti-clockwise exits (B Carriageway) | |
|---|---|---|---|---|---|
| Dartford Crossing A282 Dartford Tunnel |
River | Dartford Crossing A282 Queen Elizabeth Bridge |
|||
| 3.5 | 5.7 | Erith A206 | J1a | Erith A206, Swanscombe (A226) | |
| 4.7 | 7.5 | Dartford A225 | J1b | Exit via J2 - Dartford (A225) | |
| M25 motorway - London Orbital | |||||
| 5.5 | 8.8 | London (South East), Canterbury A2, (M2), Bluewater | J2 | London (SE & C), Lewisham A2(W), Canterbury A2(E) (M2), Dartford (A225) | |
| 8.7 | 14.0 | London (South East) A20 Maidstone M20 Swanley B2173 |
J3 | Maidstone, Channel Tunnel M20 London (SE & C), Lewisham A20 |
|
| 12.2 | 19.6 | Bromley A21 Orpington A224 |
J4 | Bromley, London (SE) A21 Orpington (A224) |
|
| 16.3–16.4 | 26.2–26.4 | Sevenoaks, Royal Tunbridge Wells, Hastings A21 | J5 | Maidstone, Channel Tunnel, Dover M26 (M20) Sevenoaks, Hastings A21 |
|
| 21.0 | 33.8 | Clacket Lane services | Services | Clacket Lane services | |
| 25.8 | 41.6 | East Grinstead, Eastbourne, Caterham, Godstone A22 Westerham (A25) |
J6 | Eastbourne, Caterham, Godstone A22, Westerham (A25) | |
| 28.6 | 46.0 | Gatwick Airport, Crawley, Brighton, East Grinstead, Croydon M23 | J7 | Gatwick, Brighton, M23(S), Croydon M23(N) | |
| 31.9 | 51.4 | Reigate, Sutton A217 Redhill (A25) |
J8 | Reigate, Sutton A217 Redhill (A25) |
|
| 38.5 - 39.5 |
62.0 - 63.5 |
Leatherhead A243 Dorking (A24) |
J9 | Leatherhead A243 Dorking (A24) |
|
| 42.6 - 43.2 |
68.6 - 69.5 |
Cobham Services | Services | Cobham Services | |
| 45.0 | 72.4 | London (South West), Sutton, Guildford, Portsmouth A3 | J10 | London (South West), Guildford, Portsmouth, A3 | |
| 49.8 | 80.2 | Chertsey A317 Woking A320 |
J11 | Woking A320 Chertsey A317 |
|
| 52.1 | 83.8 | Basingstoke, Southampton, Richmond M3 | J12 | Basingstoke, Southampton, Richmond M3 | |
| 55.2 | 88.8 | A30 London (West), Hounslow, Staines | J13 | A30 London (West), Hounslow, Staines | |
| 57.0 | 91.8 | Heathrow Airport (Terminals 4, 5 and Cargo) A3113 dedicated spur | J14 | Heathrow Airport (Terminals 4, 5 and Cargo) A3113 dedicated spur | |
| 59.0 | 95.0 | The West, Slough, Reading, London (West), Heathrow Airport (Terminals 1, 2 and 3) M4 | J15 | The West, Slough, Reading M4(W) London (W), Heathrow (Terminals 1, 2 & 3) M4(E) |
|
| 63.8 | 102.6 | The North, Birmingham, Oxford, Uxbridge, London (W,C) M40 | J16 | Birmingham, Oxford M40(W) Uxbridge, London (W & C) M40(E) |
|
| 68.7 | 110.5 | Maple Cross (A412) | J17 | Maple Cross A412 | |
| 69.9 | 112.5 | Rickmansworth, Chorleywood, Amersham A404 | J18 | Chorleywood, Amersham, Rickmansworth A404 | |
| Watford A41 | J19 | No exit | |||
| 73.8 | 118.7 | Hemel Hempstead, Aylesbury A41 | J20 | Hemel Hempstead, Aylesbury, Watford A41 | |
| 76.3 | 122.8 | The North, Luton & Airport M1 | J21 | The North, Luton & Airport M1 | |
| 76.9 | 123.7 | Watford A405 Harrow (M1 South) |
J21A | St Albans A405 London (North West) (M1 (South)) |
|
| 80.6 | 129.7 | London Colney A1081 | J22 | St Albans A1081 | |
| 83.3 | 134.0 | Hatfield A1(M) London (North West) A1 Barnet A1081 South Mimms services |
J23 Services |
Hatfield A1(M), London (NW) A1 Barnet A1081, Services |
|
| 85.9 | 138.2 | Potters Bar A111 | J24 | Potters Bar A111 | |
| 91.4 | 147.1 | Enfield Town, Hertford A10 | J25 | Enfield, Hertford, London (N & C) A10 | |
| 94.9 | 152.7 | Waltham Abbey, Loughton A121 | J26 | Waltham Abbey, Loughton A121 | |
| 99.2 | 159.7 | London (NE), Stansted Airport, Harlow, Cambridge M11 | J27 | London (NE & C) M11(N), Stansted, Harlow, Cambridge M11(S) | |
| 107.1 | 172.4 | Chelmsford, Witham, Colchester A12 Brentwood A1023 |
J28 | Chelmsford, Romford A12 Brentwood A1023 |
|
| 109.9 | 176.8 | Romford, Basildon, Southend A127 | J29 | Basildon, Southend, Romford A127 | |
| 115.2 | 185.4 | Dagenham, Rainham, Tilbury, Barking, London (E & C) A13 Thurrock services |
J30 | Dagenham, Rainham, Tilbury, Basildon, London (E & C) A13, West Thurrock (A126) | |
| A282 Road - Dartford Crossing | |||||
| 115.9 | 186.6 | Access via J30 | J31 Services |
Thurrock (Lakeside), Services A1306, Purfleet (A1090), West Thurrock (A126) | |
| Dartford Crossing A282 Dartford Tunnel |
River | Dartford Crossing A282 Queen Elizabeth Bridge |
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Anti-clockwise information above gathered from Advanced Direction Signs August 2011 (J9 - J22, J20 - J15)
Read more about this topic: M25 Motorway
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