M3 motorway (Great Britain)

The M3 is a motorway between Sunbury-on-Thames and Southampton in England. It links London with Southampton and Portsmouth, as well as South West England. It is about  long.

Junctions

{| style="margin-left:1em; margin-bottom:1em; color:black; font-size:95%;" class="wikitable"
|-  style="background:#0080d0; text-align:center; color:white; font-size:120%;"
| colspan="5" | M3 motorway junctions
|-
!scope=col|miles
!scope=col|km
!scope=col abbr="Northeastbound"|North-east bound exits (B carriageway)
!scope=col|Junction
!scope=col abbr="Southwestbound"|South-west bound exits (A carriageway)
|- align="center"
| 15.0||24.2
| Road continues as A316 to London
| rowspan="2"|J1
| Sunbury, Kingston A308Non-motorway traffic
|- style="text-align:center;"
| 15.3||24.6
| Sunbury, Kingston A308
| Start of motorway
|- style="text-align:center;"
| 21.3||34.2
| Gatwick Heathrow – M25 (M23), (M4)
| J2
| Gatwick, Heathrow (M23, M4) M25
|- style="text-align:center;"
| 28.1||45.2
| Woking, Bracknell, Camberley, Bagshot, Lightwater A322
| J3
| Woking, Camberley, Bracknell, Bagshot, Lightwater A322
|- style="text-align:center;"
| 32.6||52.5
| Guildford, Farnham, Camberley, Farnborough, Aldershot A331
| J4
| Guildford, Farnham, Camberley, Farnborough, Aldershot A331
|- style="text-align:center;"
| 34.4||55.4
| Fleet (A3013), Farnborough (West) A327
| J4a
| Fleet (A3013), Farnborough (West) A327
|- style="text-align:center;"
|
|
|Fleet services (Welcome Break) 
|Services
|Fleet services (Welcome Break)
|- style="text-align:center;"
| 41.9||67.4
| Hook A287 B3349
| J5
| Hook A287 B3349
|- style="text-align:center;"
| 46.6||75.0
| Basingstoke, Reading (A33), Alton A339
| J6
| Basingstoke, Newbury, Reading, Alton A339
|- style="text-align:center;"
| 51.8||83.3
| Basingstoke A30
| J7
| Basingstoke A30
|- style="text-align:center;"
| 53.1||85.5
|  No access
| J8
| The South West, Andover, Salisbury, Exeter A303
|- style="text-align:center;"
| 59.9||96.4
|Winchester services (Moto) 
|Services
|Winchester services (Moto) 
|- style="text-align:center;"
| 63.9||102.8
| The Midlands, Newbury A34 trunk road  Winchester A272, Alresford A31
| J9
| The Midlands, Newbury A34 trunk road  Winchester A272
|- style="text-align:center;"
| 65.2||105.0
| Winchester (City) B3330Alton, Alresford A31
| J10
|  No access
|- style="text-align:center;"
| 67.2||108.1
| Winchester A3090 Twyford B3335
| J11
| Winchester A3090Twyford B3335
|- style="text-align:center;"
| 70.0||112.6
| Eastleigh (North) A335
| J12
| Eastleigh (North), Chandler's Ford A335
|- style="text-align:center;"
| 71.8||115.6
| Eastleigh, Chandler's Ford A335
| J13
| Bournemouth M27(W) Eastleigh A335
|- style="text-align:center;"
|
|
| Start of motorway
| J14
| Southampton , Portsmouth M27(E)The West, Southampton Docks, Southampton A33
|-
|colspan=5|Notes
Distances in kilometres and carriageway identifiers are taken from driver location signs/location marker posts. Where a junction goes across several hundred metres and the data is available, both the start and finish values for the junction are shown. 
|-

Category:Motorways in England