User:Martinvl/ExitListSandbox

Junctions
{| border=1 cellpadding=2 style="margin-left:1em; margin-bottom: 1em; color: black; border-collapse: collapse; class="wikitable" !scope=col|km !scope=col abbr="Westbound"|Westbound exits (B Carriageway) !scope=col|Junction !scope=col abbr="Eastbound"|Eastbound exits (A Carriageway)
 * - align="center" bgcolor=":28732" style="color:#ffd200 ;font-size:120%;"
 * colspan=4 | A55 Road
 * - align="center"
 * 0.0
 * Holyhead Ferry Port
 * Terminus
 * Start of Road
 * - align="center"
 * 0.5
 * Holyhead Town centre A5154 Amlwch A5 (A5025)
 * Road junction
 * Holyhead Town centre A5154 Amlwch A5 (A5025)
 * - align="center"
 * 0.7
 * Trearddur Bay B4545
 * J1 Roundabout
 * Trearddur Bay B4545
 * - align="center"
 * 1.2 2.0
 * A5153
 * J2
 * A5153
 * - align="center"
 * 7.1 7.7
 * Caergeiliog, Valley A5 Amlwch A5025
 * J3
 * Caergeiliog, Valley A5 Amlwch A5025
 * - align="center"
 * 9.6 10.2
 * Caergeiliog, RAF Valley, Bryngwran A5
 * J4
 * Caergeiliog, RAF Valley, Bryngwran A5
 * - align="center"
 * 14.0 14.6
 * Bryngwran, Gwalchmai A5 Rhosneigr A4080
 * J5
 * Bryngwran, Gwalchmai A5 Rhosneigr A4080
 * - align="center"
 * 23.2 24.0
 * Pentre Berw, Gwalchmai A5 Llangefni A5114
 * J6
 * Pentre Berw A5 Llangefni A5114
 * - align="center"
 * 27.8 28.6
 * Gaerwen A5152
 * J7
 * Gaerwen A5152
 * - align="center"
 * 31.3
 * No access Llanfair PG A5
 * J7A
 * No exit Access only
 * - align="center"
 * 32.9 33.4
 * Llanfair PG, Benllech A5025
 * J8
 * Llanfair PG, Benllech A5025
 * - align="center"
 * 33.8
 * No access Llanfair PG, Menai Bridge A5
 * J8A
 * No exit Access only
 * - align="center"
 * 34.1 34,4
 * Britannia Bridge
 * Bridge
 * Britannia Bridge
 * - align="center"
 * 35.3 35.6
 * Bangor, Menai Bridge, Ysbyty Gwynedd A487
 * J9
 * Caernarfon, Menai Bridge, Ysbyty Gwynedd A487
 * - align="center"
 * 36.4 37.0
 * Caernarfon, Bangor A4087
 * J10
 * Bangor A4087
 * - align="center"
 * 40.3 40.9
 * Bangor, Bethesda A5 B4366
 * J11
 * Bethesda A5 B4366
 * - align="center"
 * 43.6 44.2
 * Talybont
 * J12
 * Talybont
 * - align="center"
 * 47.2 47.5
 * Abergwyngregyn
 * J13
 * Abergwyngregyn
 * - align="center"
 * 48.9 49.2
 * Llanfairfechan
 * J14
 * Llanfairfechan
 * - align="center"
 * 51.7
 * Llanfairfechan
 * J15 Roundabout
 * Llanfairfechan
 * - align="center"
 * 52.8 53.7
 * Pen-y-Clip Westbound Tunnel (930 m)
 * Tunnel
 * Two short tunnels
 * - align="center"
 * 53.8 54.2
 * access only No exit
 * J15A
 * Penmaenmawr
 * - align="center"
 * 56.2
 * Penmaenmawr
 * J16 Roundabout
 * Penmaenmawr
 * - align="center"
 * 57.8 57.8
 * Dwygyfylchi
 * J16A
 * No exit
 * - align="center"
 * 58.4 59.1
 * Penmaenbach Westbound Tunnel (658 m)
 * Tunnel
 * Penmaenbach Eastbound Headland Tunnel(172 m)
 * - align="center"
 * 60.4 61.0
 * Conwy A547
 * J17
 * Conwy A547
 * - align="center"
 * 61.8 62.9
 * Conwy Road Tunnel (1080 m) Restrictions apply
 * Tunnel
 * Conwy Road Tunnel Restrictions apply
 * - align="center"
 * 63.6 64.2
 * Conwy (A547)
 * J18
 * Llandudno Junction A546
 * - align="center"
 * 64.8 65.5
 * Llandudno, Llanrwst A470 Llandudno Junction
 * J19
 * Llandudno, Llanrwst A470 Colwyn Bay (A547) Llandudno Junction
 * - align="center"
 * 68.7 69.8
 * Colwyn Bay, Mochdre, Penrhyn Bay B5115
 * J20
 * Colwyn Bay, Mochdre, Penrhyn Bay B5115
 * - align="center"
 * 70.6 71.0
 * Colwyn Bay A547
 * J21
 * Colwyn Bay A547
 * - align="center"
 * 71.5 72.0
 * Old Colwyn A547
 * J22
 * Old Colwyn A547
 * - align="center"
 * Start of Special road
 * End of Special road
 * - align="center"
 * 76.0 76.1
 * Llanddulas A547 Prohibited Traffic
 * J23
 * Llanddulas A547
 * - align="center"
 * 80.0 80.4
 * Access only No exit
 * J23A
 * Pensarn, Abergele A548 No access
 * - align="center"
 * 81.2 81.9
 * Abergele, Rhuddlan A547
 * J24
 * Abergele, Rhuddlan A547
 * - align="center"
 * 84.6
 * no access St. George, Towyn
 * J24A
 * No exit no access
 * - align="center"
 * 86.7 86.8
 * Bodelwyddan, Ysbyty Glan Clwyd
 * J25
 * Bodelwyddan, Ysbyty Glan Clwyd
 * - align="center"
 * 88.2 88.8
 * St Asaph Business Park
 * J26
 * St Asaph Business Park
 * - align="center"
 * 89.9 90.6
 * St Asaph, Trefnant, Denbigh, Rhuddlan, Rhyl A525
 * J27
 * St Asaph,Trefnant, Denbigh, Rhuddlan, Rhyl A525
 * - align="center"
 * 91.6 91.6
 * St Asaph A525
 * J27A
 * No exit No access
 * - align="center"
 * 92.9 93.2
 * Rhuallt, Rhuddlan B5429
 * J28
 * Rhuallt B5429
 * - align="center"
 * 96.7 97.3
 * Rhuallt
 * J29
 * Rhuallt
 * - align="center"
 * 99.0 99.3
 * Pen-y-Cefn
 * J30
 * Pen-y-Cefn
 * - align="center"
 * 100.3 100.8
 * Trelawnyd A5151 Caerwys B5122
 * J31
 * Holywell A5151 Caerwys B5122
 * - align="center"
 * 108.7 108.8
 * no access Holywell A5026
 * J32
 * Holywell A5026 Halkyn, Pentre Halkyn No access
 * - align="center"
 * 109.3 109.9
 * Pentre Halkyn
 * J32A
 * No exit Access only
 * - align="center"
 * 111.3 111.4
 * Halkyn
 * J32B
 * No exit No access
 * - align="center"
 * 114.6 115.3
 * Northop, Flint, A548 Coast Road A5119'''
 * J33
 * Northop, Flint, Mold A5119
 * - align="center"
 * 116.5
 * No access Connah's Quay B5126
 * rowspan=2 | J33A
 * No exit No access
 * - align="center"
 * 117.8 117.9
 * No exit
 * Northop Hall
 * - align="center"
 * 120.0
 * No access Mold A494
 * J33B
 * No exit Access only
 * - align="center"
 * 120.5 128.8
 * Ewloe, Queensferry A494 Manchester (M56)
 * J34 "Totso"[See notes]
 * Ewloe, Queensferry A494 Manchester (M56)
 * - align="center"
 * 123.1 123.6
 * Hawarden, Buckley, Corwen A550
 * J35
 * Hawarden, Wrexham A550
 * - align="center"
 * 125.3 125.9
 * Penyffordd
 * rowspan="2"|J35A
 * Broughton, Saltney A5104
 * - align="center"
 * 128.5
 * no access Broughton (A5104)
 * No exit Access only
 * - align="center"
 * 128.6
 * Entry into Wales 🏴󠁧󠁢󠁷󠁬󠁳󠁿
 * Border
 * Entry into England 🏴󠁧󠁢󠁥󠁮󠁧󠁿
 * - Align="center"
 * Wrexham, Chester A483
 * J36
 * Wrexham, Chester A483
 * - align="center"
 * Access only No exit
 * J36a
 * Chester A5115 Whitchurch (A41) No access
 * - align="center"
 * Chester Nantwich, Northwich A51 Whitchurch (A41)
 * J37
 * Chester Nantwich, Northwich A51
 * - align="center"
 * Start of road
 * rowspan="2"| M53 J12
 * Chester, Helsby A56 Non-motorway traffic
 * - align="center"
 * Chester, Helsby A56
 * Road continues as M53 to Wallasey
 * colspan=4|Notes
 * Data from location marker posts are used to provide distance and carriageway identification information.  Where a junction spans several hundred metres and the data is available, both the start and finish values for the junction are shown.
 * Totso = "Turn off to stay on" meaning that the driver must leave the main carriageway to stay on the specified (A55) route.
 * - align="center"
 * Chester, Helsby A56
 * Road continues as M53 to Wallasey
 * colspan=4|Notes
 * Data from location marker posts are used to provide distance and carriageway identification information.  Where a junction spans several hundred metres and the data is available, both the start and finish values for the junction are shown.
 * Totso = "Turn off to stay on" meaning that the driver must leave the main carriageway to stay on the specified (A55) route.
 * Data from location marker posts are used to provide distance and carriageway identification information.  Where a junction spans several hundred metres and the data is available, both the start and finish values for the junction are shown.
 * Totso = "Turn off to stay on" meaning that the driver must leave the main carriageway to stay on the specified (A55) route.


 * Coordinate list

Diagram
{| border=1 cellpadding=2 style="margin-left:1em; margin-bottom: 1em; color: black; border-collapse: collapse; class="wikitable" !scope=col|km !scope=col abbr="Westbound"|Westbound exits (B Carriageway) !scope=col|Junction !scope=col abbr="Eastbound"|Eastbound exits (A Carriageway) The North, Nottingham M1 Swinford Britain|B1102]]'''
 * - align="center" bgcolor=":28732" style="color:#ffd200 ;font-size:120%;"
 * colspan=4 | A55 Road
 * - style="text-align:center;"
 * Continues to North West,Coventry (M6),
 * Continues to North West,Coventry (M6),
 * Terminus
 * Start of road
 * - style="background:skyblue; text-align:center; color:white; font-size:120%;"
 * - style="text-align:center;"
 * A5199 Husbands Bosworth, Spratton
 * 1
 * A5199 Husbands Bosworth, Spratton
 * - style="text-align:center;"
 * A508 Brixworth
 * 2
 * A508 Market Harborough, Northampton, Brixworth
 * - style="text-align:center;"
 * A6 Leicester, Market Harborough
 * 3
 * A6 Leicester, Desborough B576
 * - style="text-align:center;"
 * Desborough, Rothwell B576
 * 4
 * No exit Access only
 * - style="text-align:center;"
 * Rothwell, Rothwell Lodge Services
 * 5 Services
 * Rothwell, Rothwell Lodge Services
 * - style="text-align:center;"
 * Rothwell Grange
 * 6
 * Rothwell Grange B669
 * - style="text-align:center;"
 * A43 Melton Mowbray, Corby
 * 7
 * A43 Melton Mowbray, Corby
 * - style="text-align:center;"
 * A43 Kettering, Broughton
 * 8
 * A43 Kettering, Broughton
 * - style="text-align:center;"
 * A509 Kettering, Wellingborough
 * 9
 * A509 Kettering Retail Park, Wellingborough
 * - style="text-align:center;"
 * A6, A6003 Barton Seagrave, Rushden
 * 10
 * A6, A6003
 * - style="text-align:center;"
 * A510
 * 11
 * A510
 * - style="text-align:center;"
 * A6116
 * 12
 * A6116
 * - style="text-align:center;"
 * A45, A605
 * 13
 * A45, A605
 * - style="text-align:center;"
 * Titchmarsh
 * 14
 * Titchmarsh
 * - style="text-align:center;"
 * B663
 * 15
 * B663
 * - style="text-align:center;"
 * Kimbolton B660
 * 16
 * Kimbolton B660
 * - style="text-align:center;"
 * Leighton Bromswold
 * 17
 * Leighton Bromswold
 * - style="text-align:center;"
 * Spaldwick, Barham
 * 18
 * Spaldwick, Barham
 * - style="text-align:center;"
 * Easton
 * 19
 * Easton
 * - style="text-align:center;"
 * Woolley
 * 19a
 * Woolley
 * - style="text-align:center;"
 * Ellington
 * 20
 * Ellington
 * - style="text-align:center;"
 * 69.5
 * Stevenage, Peterborough A1
 * 21 Brampton Hut
 * Stevenage, Peterborough A1
 * - style="text-align:center;"
 * Brampton
 * 22
 * Brampton
 * - style="text-align:center;"
 * 72.7
 * A141, A1(M)
 * 23 Spittals
 * A141, A1(M)
 * - style="text-align:center;"
 * Alconbury, Little Stukeley B1043
 * 23a
 * Alconbury, RAF Alconbury B1043
 * - style="text-align:center;"
 * Huntingdon, Godmanchester A1198
 * 24
 * Huntingdon, Godmanchester A1198
 * - style="text-align:center;"
 * Hemingford Abbots
 * 25
 * Hemingford Abbots
 * - style="text-align:center;"
 * 81.9
 * St Ives A1096, B1040
 * 26
 * St Ives A1096, B1040
 * - style="text-align:center;"
 * Fenstanton, Fen Drayton
 * 27
 * Fenstanton, Fen Drayton
 * - style="text-align:center;"
 * Swavesey, Boxworth
 * 28
 * Swavesey, Boxworth
 * - style="text-align:center;"
 * No exit
 * 28a
 * Lolworth
 * - style="text-align:center;"
 * Bar Hill B1050
 * 29
 * Bar Hill B1050
 * - style="text-align:center;"
 * Oakington, Dry Drayton
 * 30
 * Oakington, Dry Drayton
 * - style="text-align:center;"
 * London, Cambridge M11, A1307
 * 31 Girton
 * London, Bedford M11, A428
 * - style="text-align:center;"
 * B1049
 * 32 Histon,Cambridge
 * B1049
 * - style="text-align:center;"
 * A10, A1309
 * 33 Milton
 * A10, A1309, Cambridge Science Park
 * - style="text-align:center;"
 * B1047
 * 34 Fen Ditton
 * No exit Access only
 * - style="text-align:center;"
 * Cambridge, Newmarket, Burwell A1303, B1102
 * 35 Quy
 * Cambridge, Burwell A1303, '''[[List of B roads in Great|
 * - style="text-align:center;"
 * Bar Hill B1050
 * 29
 * Bar Hill B1050
 * - style="text-align:center;"
 * Oakington, Dry Drayton
 * 30
 * Oakington, Dry Drayton
 * - style="text-align:center;"
 * London, Cambridge M11, A1307
 * 31 Girton
 * London, Bedford M11, A428
 * - style="text-align:center;"
 * B1049
 * 32 Histon,Cambridge
 * B1049
 * - style="text-align:center;"
 * A10, A1309
 * 33 Milton
 * A10, A1309, Cambridge Science Park
 * - style="text-align:center;"
 * B1047
 * 34 Fen Ditton
 * No exit Access only
 * - style="text-align:center;"
 * Cambridge, Newmarket, Burwell A1303, B1102
 * 35 Quy
 * Cambridge, Burwell A1303, '''[[List of B roads in Great|
 * 34 Fen Ditton
 * No exit Access only
 * - style="text-align:center;"
 * Cambridge, Newmarket, Burwell A1303, B1102
 * 35 Quy
 * Cambridge, Burwell A1303, '''[[List of B roads in Great|
 * Cambridge, Burwell A1303, '''[[List of B roads in Great|
 * - style="text-align:center;"
 * 113.7
 * No exit Access only
 * 36 Nine Mile Hill
 * London A11
 * - style="text-align:center;"
 * 121.1
 * Newmarket, Ely A142
 * 37
 * Newmarket, Ely A142
 * - style="text-align:center;"
 * 125.1
 * Norwich, Mildenhall A11
 * 38
 * No exit Access only
 * - style="text-align:center;"
 * No exit Access only
 * 39
 * Kentford for Newmarket
 * - style="text-align:center;"
 * Higham
 * 40
 * Higham
 * - style="text-align:center;"
 * 138.2
 * Saxham Business Park, Risby
 * 41
 * Saxham Business Park, Risby
 * - style="text-align:center;"
 * 141.0
 * Bury St Edmunds (West) A1302, B1106
 * 42
 * Bury St Edmunds (West) A1302, B1106
 * - style="text-align:center;"
 * 144.3
 * Diss A143, A134
 * 43 St. Saviours
 * Diss A143, A134
 * - style="text-align:center;"
 * 147.1
 * Bury St Edmunds (East) A143
 * 44 Moreton Hall
 * Bury St Edmunds (East) A143
 * - style="text-align:center;"
 * 149.9
 * Rougham / Rougham Industrial Estate
 * 45
 * Rougham / Rougham Industrial Estate
 * - style="text-align:center;"
 * Thurston, Beyton, Tostock
 * 46
 * Thurston, Beyton, Tostock
 * - style="text-align:center;"
 * Elmswell, Woolpit A1088
 * 47
 * Elmswell, Woolpit A1088
 * - style="text-align:center;"
 * Wetherden
 * 47a
 * No Exit
 * - style="text-align:center;"
 * Harleston, Haughley, Stowmarket A1308
 * 48 Haughley
 * Harleston, Haughley, Stowmarket A1308
 * - style="text-align:center;"
 * Stowmarket A1120
 * 50
 * Stowmarket A1120
 * - style="text-align:center;"
 * A140, Needham Market B1078
 * 51 Beacon Hill
 * A140, Needham Market B1078
 * - style="text-align:center;"
 * 181.2
 * Claydon B1113
 * 52
 * Claydon B1113
 * - style="text-align:center;"
 * 183.0
 * Ipswich (North) A1156
 * 53 White House
 * Ipswich (North) A1156
 * - style="text-align:center;"
 * 185.6
 * Sproughton
 * 54 Sproughton
 * Sproughton
 * - style="text-align:center;"
 * 189.1
 * London, Ipswich A12, A1214
 * 55 Copdock
 * London, Ipswich A12, A1214
 * - style="text-align:center;"
 * 192.1
 * A137
 * 56 Wherstead
 * A137
 * - style="text-align:center;"
 * 193.1 194.2
 * Orwell Bridge
 * Bridge
 * Orwell Bridge
 * - style="text-align:center;"
 * 196.8
 * A1189
 * 57 Nacton
 * A1189
 * - style="text-align:center;"
 * 200.1
 * Lowestoft A12, A1156
 * 58 Seven Hills
 * Lowestoft A12, A1156
 * - style="text-align:center;"
 * C375 Croft Lane
 * Un-numbered
 * No Exit
 * - style="text-align:center;"
 * 205.9
 * Trimley St. Martin, Trimley St. Mary
 * 59
 * Trimley St. Martin, Trimley St. Mary
 * - style="text-align:center;"
 * 208.2
 * Felixstowe A154
 * 60 (Dockspur Roundabout)
 * Felixstowe A154
 * - style="text-align:center;"
 * 209.8
 * No exit Access only
 * 61 Trinity Avenue
 * Docks (W)
 * - style="text-align:center;"
 * 210.8
 * Felixstowe Dock Gate 1 A45
 * 62 Walton Avenue
 * Start of road
 * colspan=4|Notes
 * Data from location marker posts are used to provide distance and carriageway identification information.  Where a junction spans several hundred metres and the data is available, both the start and finish values for the junction are shown.
 * Totso = "Turn off to stay on" meaning that the driver must leave the main carriageway to stay on the specified (A55) route.
 * Docks (W)
 * - style="text-align:center;"
 * 210.8
 * Felixstowe Dock Gate 1 A45
 * 62 Walton Avenue
 * Start of road
 * colspan=4|Notes
 * Data from location marker posts are used to provide distance and carriageway identification information.  Where a junction spans several hundred metres and the data is available, both the start and finish values for the junction are shown.
 * Totso = "Turn off to stay on" meaning that the driver must leave the main carriageway to stay on the specified (A55) route.
 * Totso = "Turn off to stay on" meaning that the driver must leave the main carriageway to stay on the specified (A55) route.

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.

{| class="wikitable" !scope=col| mi !scope=col| km !scope=col| Clockwise exits (A Carriageway) !scope=col| Junction !scope=col| Anti-clockwise exits (B Carriageway) Maidstone M20 Swanley B2173 London (SE & C), Lewisham A20 Orpington A224 Orpington (A224) Sevenoaks, Hastings A21 Westerham (A25) Redhill (A25) Redhill (A25) Dorking (A24) Dorking (A24) (Scheduled opening 2012) Woking A320 Chertsey A317 Harrow (M1 South) London (North West) (M1 (South)) London (North West) A1 Barnet A1081 South Mimms services Services Barnet A1081, Services Brentwood A1023 Brentwood A1023 
 * - align="center" bgcolor="00703C" style="color: #FFD200;font-size:120%;"
 * colspan="5" | A282 Road - Dartford Crossing
 * - align="center"
 * Dartford Crossing A282 Dartford Tunnel
 * River
 * Dartford Crossing A282 Queen Elizabeth Bridge
 * - align="center"
 * 3.5
 * 5.7
 * Erith A206
 * J1a
 * Erith A206, Swanscombe (A226)
 * - align="center"
 * 4.7
 * 7.5
 * Dartford A225
 * J1b
 * Exit via J2 - Dartford (A225)
 * - align="center" bgcolor="0080d0" style="color: white;font-size:120%;"
 * colspan="5" | M25 Motorway - London Orbital
 * - align="center"
 * 5.5
 * 8.8
 * London (South East), Canterbury A2, (M2), Bluewater
 * J2
 * London (SE & C), Lewisham A2(W), Canterbury A2(E) (M2), Dartford (A225)
 * - align="center"
 * 8.7
 * 14.0
 * London (South East) A20
 * 8.7
 * 14.0
 * London (South East) A20
 * J3
 * Maidstone, Channel Tunnel M20
 * - align="center"
 * 12.2
 * 19.6
 * Bromley A21
 * J4
 * Bromley, London (SE) A21
 * - align="center"
 * 16.3–16.4
 * 26.2–26.4
 * Sevenoaks, Royal Tunbridge Wells, Hastings A21
 * J5
 * Maidstone, Channel Tunnel, Dover M26 (M20)
 * - align="center"
 * 21.0
 * 33.8
 * Clacket Lane services
 * Services
 * Clacket Lane services
 * - align="center"
 * 25.8
 * 41.6
 * East Grinstead, Eastbourne, Caterham, Godstone A22
 * J6
 * Eastbourne, Caterham, Godstone A22, Westerham (A25)
 * - align="center"
 * 28.6
 * 46.0
 * Gatwick Airport, Crawley, Brighton, East Grinstead, Croydon M23
 * J7
 * Gatwick, Brighton, M23(S), Croydon M23(N)
 * - align="center"
 * 31.9
 * 51.4
 * Reigate, Sutton A217
 * J8
 * Reigate, Sutton A217
 * - align="center"
 * 38.5 - 39.5
 * 62.0 - 63.5
 * Leatherhead A243
 * J9
 * Leatherhead A243
 * - align="center"
 * 42.6 - 43.2
 * 68.6 - 69.5
 * bgcolor=#ffdead| Cobham Services
 * Services
 * bgcolor=#ffdead|Cobham Services
 * - align="center"
 * 45.0
 * 72.4
 * London (South West), Sutton, Guildford, Portsmouth A3
 * J10
 * London (South West), Guildford, Portsmouth, A3
 * - align="center"
 * 49.8
 * 80.2
 * Chertsey A317
 * J11
 * Woking A320
 * - align="center"
 * 52.1
 * 83.8
 * Basingstoke, Southampton, Richmond M3
 * J12
 * Basingstoke, Southampton, Richmond M3
 * - align="center"
 * 55.2
 * 88.8
 * Staines A30
 * J13
 * London (West), Staines, Windsor A30
 * - align="center"
 * 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
 * - align="center"
 * 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)
 * - align="center"
 * 63.8
 * 102.6
 * THE NORTH Birmingham, Oxford, Uxbridge, London (W,C) M40
 * J16
 * Birmingham, Oxford M40(W) Uxbridge, London (W & C) M40(E)
 * - align="center"
 * 68.7
 * 110.5
 * Maple Cross (A412)
 * J17
 * Maple Cross A412
 * - align="center"
 * 69.9
 * 112.5
 * Rickmansworth, Chorleywood, Amersham A404
 * J18
 * Chorleywood, Amersham, Rickmansworth A404
 * - align="center"
 * Watford A41
 * J19
 * No Exit
 * - align="center"
 * 73.8
 * 118.7
 * Hemel Hempstead, Aylesbury A41
 * J20
 * Hemel Hempstead, Aylesbury, Watford A41
 * - align="center"
 * 76.3
 * 122.8
 * The NORTH, Luton & Airport M1
 * J21
 * The NORTH, Luton & Airport M1
 * - align="center"
 * 76.9
 * 123.7
 * Watford A405
 * 123.7
 * Watford A405
 * J21A
 * St Albans A405
 * - align="center"
 * 80.6
 * 129.7
 * London Colney A1081
 * J22
 * St Albans A1081
 * - align="center"
 * 83.3
 * 134.0
 * Hatfield A1(M)
 * J23
 * Hatfield A1(M), London (NW) A1
 * - align="center"
 * 85.9
 * 138.2
 * Potters Bar A111
 * J24
 * Potters Bar A111
 * - align="center"
 * 91.4
 * 147.1
 * Enfield Town, Hertford A10
 * J25
 * Enfield, Hertford, London (N & C) A10
 * - align="center"
 * 94.9
 * 152.7
 * Waltham Abbey, Loughton A121
 * J26
 * Waltham Abbey, Loughton A121
 * - align="center"
 * 99.2
 * 159.7
 * London (NE), Stansted Airport, Harlow, Cambridge M11
 * J27
 * London (NE & C) M11(N), Stansted, Harlow, Cambridge M11(S)
 * - align="center"
 * 107.1
 * 172.4
 * Chelmsford, Witham, Colchester A12
 * J28
 * Chelmsford, Romford A12
 * - align="center"
 * 109.9
 * 176.8
 * Romford, Basildon, Southend A127
 * J29
 * Basildon, Southend, Romford A127
 * - align="center"
 * 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)
 * - align="center"
 * - align="center" bgcolor="00703C" style="color: #FFD200;font-size:120%;"
 * colspan="5" | A282 Road - Dartford Crossing
 * - align="center"
 * 115.9
 * 186.6
 * Access via J30
 * J31 Services
 * Thurrock (Lakeside), Services A1306, Purfleet (A1090), West Thurrock (A126)
 * - align="center"
 * Dartford Crossing A282 Dartford Tunnel
 * River
 * Dartford Crossing A282 Queen Elizabeth Bridge
 * colspan="5" |[[Image:A38DriverLocationSign km415.jpg|right|60px]]
 * Dartford Crossing A282 Queen Elizabeth Bridge
 * colspan="5" |[[Image:A38DriverLocationSign km415.jpg|right|60px]]
 * colspan="5" |[[Image:A38DriverLocationSign km415.jpg|right|60px]]

Anti-clockwise information above gathered from Advanced Direction Signs August 2011 (J9 - J22, J20 - J15)

{| border=1 cellpadding=2 style="margin-left:1em; margin-bottom: 1em; color: black; border-collapse: collapse; class="wikitable" !scope=col|km !scope=col|mile !scope=col abbr="Northbound"|Northbound exits (B Carriageway) !scope=col|Junction !scope=col abbr="Southbound"|Southbound exits (A Carriageway) (Start of motorway) Crawley A23 Non-motorway traffic Pease Pottage services
 * - align="center" bgcolor="0080d0" style="color: white;font-size:120%;"
 * colspan=5 | M23 Motorway
 * - align="center"
 * 27.4 km
 * rowspan="2"| (Road continues as A23 to Croydon) Croydon A23
 * rowspan="2"| J7
 * rowspan="2"| Crawley, Gatwick A23 Non-motorway traffic (Start of motorway)
 * 28.2 km
 * - align="center"
 * 30.5 km
 * rowspan="2"| Reigate, Heathrow Airport, Oxford, Sevenoaks, Maidstone, Stansted Airport, (M3, M4, M40, M1, M20, M11), M25
 * rowspan="2"| J8
 * rowspan="2"| Heathrow Airport (M4), Stansted Airport (M11) Maidstone (M20) (M3, M40, M26) M25
 * 31.0 km
 * - align="center"
 * 42.7 km
 * rowspan="2"| Gatwick Airport, Redhill, Reigate A23
 * rowspan="2"| J9
 * rowspan="2"| Gatwick Airport, Redhill, Reigate A23
 * 43.1 km
 * - align="center"
 * 45.8 km
 * rowspan="2"| Crawley A2220 East Grinstead A264
 * rowspan="2"| J10
 * rowspan="2"| Crawley A2220 East Grinstead A264
 * 46.1 km
 * - align="center"
 * 48.8 km
 * rowspan="2" bgcolor=#ffdddd| No exit
 * rowspan="2"| J10a
 * rowspan="2"| Crawley B2036
 * 49.2 km 53.8 km
 * - align="center"
 * 53.3 km
 * rowspan="2"| Crawley B2036
 * 49.2 km 53.8 km
 * - align="center"
 * 53.3 km
 * 53.3 km
 * J11 Services
 * Brighton, Crawley A23 Horsham A264 Pease Pottage services (Road continues as A23 to Brighton)
 * colspan=5 align=center|Data from driver location signs are used to provide distance and carriageway identifier information
 * colspan=5 align=center|Data from driver location signs are used to provide distance and carriageway identifier information