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1L20 1127 Carmarthen to London Paddington
Departing on 1st December 2025

operated by
Great Western Railway
5 coaches
Carmarthen - Swansea
800026
5 coaches
Swansea - London Paddington
800026
GBTT
WTT
RTTRealtime
Route
Location
Pl
Arr
Dep
Arr
Dep
Arr
Dep
Dly
Path
Line
Carmarthen [CMN]
Pathed as Class 80x on diesel at 125mph
2
1127
1127
1131
+4
U2
Carmarthen Jn [XCI]
pass
1129
pass
1133
+4
UU
Ferryside [FYS]
pass
1137½
No report
Kidwelly [KWL]
pass
1141
No report
Kidwelly Junction
pass
1141½
No report
Pembrey & Burry Port [PBY]
1146
1147
1146
1147½
No report
Llanelli [LLE]
2
1154
1155
1153½
1155
1159½
1201¾
+6
Llandeilo Jn
pass
1157½
pass
1204
+6
Duffryn West
pass
1158
pass
1204½
+6
Gowerton [GWN]
2
pass
1201½
pass
1207¼
+6
Cockett West
1
pass
1203
pass
1209¼
+6
Swansea Loop West
1½
pass
1207
pass
1213½
+6
UM
USL
Swansea Loop East
pass
1210½
pass
1215½
+5
USL
USM
Swansea [SWA]
Pathed as Class 80x on diesel from here
Service reverses here, gains coaches here
3
1213
1222
1213
1222
1217¾
1223½
+1
USM
USM
Swansea Loop East
pass
1223½
pass
1225¼
+1
Landore Junction
pass
1224½
pass
1226½
+2
USM
UM
Llansamlet [LAS]
2
pass
1227½
pass
1229½
+2
Skewen [SKE]
2
pass
1229½
pass
1231¾
+2
Neath [NTH]
2
1233
1234
1232½
1234
1234¼
1240
+6
Briton Ferry West Jn
pass
1236½
pass
1242¾
+6
Port Talbot Parkway [PTA]
2
1240
1241
1240
1241½
1246½
1248¼
+6
Port Talbot East
pass
1242½
No report
Margam Middle Jn
pass
1243½
pass
1249¾
+6
Margam East Jn
pass
1244½
pass
1251¼
+6
Margam Moors Jn.
pass
1245½
pass
1252¾
+7
UM
Pyle [PYL]
2
pass
1247
pass
1254½
+7
Stormy
pass
1248½
pass
1256¾
+8
At platform
Bridgend [BGN]
2
1253
1254
1252½
1254
1300½
1303
+9
UM
UM
Tremains
pass
1255
pass
1305
+10
Pencoed Up Passenger Loop
pass
1257½
No report
Pencoed [PCD]
2
pass
1258
pass
1307¼
+9
Llanharan [LLR]
1
pass
1300
pass
1309¼
+9
Llantrisant [LTI]
pass
1301½
No report
Pontyclun [PYC]
1
2
pass
1302
pass
1311½
+9
Miskin
pass
1304
pass
1313¼
+9
St Fagans L C
pass
1308½
pass
1317¼
+8
Leckwith North Jn
½
pass
1311
pass
1319¾
+8
UM
C
Cardiff West
pass
1313½
No report
Cardiff Central [CDF]
Pathed as Class 80x on electric from here
2
1314
1318
1315
1318
1322¾
1330
+12
C
B
Cardiff East
pass
1318½
pass
1332¼
+13
C
B
Long Dyke Jn
pass
1320
pass
1333¼
+13
B
UM
Moorland Road Junction
pass
1320½
pass
1334½
+14
Pengam Jn
pass
1321
pass
1334¾
+13
Rumney River Bridge Jn
pass
1321
pass
1335
+13
Marshfield
pass
1324
pass
1337½
+13
Ebbw Jn
pass
1326½
pass
1340¼
+13
UM
UM
Gaer Jn
pass
1327½
pass
1342½
+15
UM
DM
Newport (South Wales) [NWP]
3
1329
1331
1329
1331
1345¼
1351
+20
DM
UM
Maindee West Jn
pass
1332
pass
1352¼
+20
Maindee East Jn
pass
1332½
pass
1352¾
+20
East Usk Jn.
pass
1333
pass
1353¾
+20
Llanwern West Jn
½
pass
1334
pass
1354½
+20
Magor
pass
1338
pass
1357¼
+19
Severn Tunnel Junction [STJ]
4
pass
1340
pass
1400
+20
UM
UT
Severn Tunnel West
pass
1341
pass
1400¾
+19
Severn Tunnel East
½
pass
1344½
pass
1404¼
+19
Pilning [PIL]
1
1
pass
1346
pass
1405½
+19
Patchway [PWY]
1
pass
1349½
pass
1408½
+19
Bristol Parkway [BPW]
4
1352
1355
1352
1356
1411½
1415¼
+19
UT
UB
Westerleigh Jn
pass
1400
pass
1419¾
+19
Chipping Sodbury
pass
1401½
pass
1421½
+20
Badminton
pass
1403½
pass
1423¾
+20
Hullavington
pass
1406½
pass
1426¼
+19
Little Somerford
pass
1409
pass
1429¼
+20
Wootton Bassett Jn
1
pass
1413
pass
1432¼
+19
UB
UM
Swindon [SWI]
1
1419
1420
1418½
1420½
1438¼
1440¼
+19
UR
UM
Highworth Jn
pass
1421½
pass
1442¼
+20
Swindon Stratton Green
pass
1422
pass
1442¾
+21
Swindon South Marston Jn
pass
1422½
pass
1443¼
+20
Bourton
pass
1423½
pass
1444¾
+21
Uffington (Oxfordshire)
pass
1427
pass
1447½
+20
Challow
pass
1428½
pass
1448½
+20
Wantage Road
1
pass
1430
pass
1451
+21
Steventon
pass
1432½
pass
1452¼
+19
Milton Junction
pass
1433
pass
1453
+20
Foxhall Jn [XJF]
pass
1434
pass
1454
+19
Didcot West End
pass
1434½
No report
Didcot Parkway [DID]
2
pass
1434½
pass
1454¾
+20
Didcot East Jn
pass
1434½
pass
1455
+20
Moreton Cutting
pass
1435½
pass
1455
+19
Cholsey [CHO]
2
pass
1436½
pass
1456¾
+20
Goring & Streatley [GOR]
1
2
pass
1438½
pass
1458½
+20
ML
Pangbourne [PAN]
pass
1440½
pass
1500¼
+19
Tilehurst [TLH]
2
pass
1442½
pass
1501¼
+18
Tilehurst East Jn.
pass
1443
pass
1501½
+18
Reading High Level Jn
½
pass
1444
pass
1503
+19
ML
Reading Main Line West
pass
1445
pass
1503½
+18
Reading [RDG]
10
1445
1448
1446
1448
1504½
1508½
+20
UM
UM
Reading Main Line East
pass
1448½
pass
1509¼
+20
Kennet Bridge Jn
pass
1449
pass
1510
+21
Twyford West
pass
1451½
pass
1512
+20
Twyford [TWY]
2
pass
1452
pass
1513
+21
ML
Ruscombe
pass
1452½
pass
1513¼
+20
Maidenhead [MAI]
2
pass
1455½
pass
1516¼
+20
Maidenhead East
pass
1456
pass
1516¼
+20
Taplow [TAP]
2
pass
1456½
pass
1517
+20
Burnham [BNM]
pass
1457
pass
1517½
+20
Slough West
pass
1458
pass
1518½
+20
Slough [SLO]
3
pass
1458½
pass
1519¼
+20
Dolphin Jn
pass
1459
pass
1519½
+20
Langley [LNY]
2
pass
1459½
pass
1520¼
+20
Iver [IVR]
2
pass
1500½
pass
1521
+20
West Drayton Jcn
pass
1501
pass
1521½
+20
West Drayton [WDT]
2
pass
1501
pass
1522
+21
West Drayton East
pass
1501
pass
1522
+20
Stockley Junction
pass
1501½
pass
1522¼
+20
ML
ML
Heathrow Airport Jn
pass
1502
pass
1523¼
+21
Hayes & Harlington [HAY]
2
pass
1502
pass
1523½
+21
Southall West Jn
pass
1502½
pass
1524¼
+21
Southall [STL]
2
pass
1503
pass
1524½
+21
ML
Southall East Jn
pass
1503
pass
1524¾
+21
Hanwell [HAN]
1
pass
1503½
pass
1525¾
+22
West Ealing Junction
pass
1504
pass
1526¼
+22
West Ealing [WEA]
pass
1504
pass
1526½
+22
Ealing Broadway [EAL]
2
pass
1504
pass
1527
+22
Acton West
1
pass
1504½
pass
1527
+22
ML
ML
Acton Main Line [AML]
2
pass
1505½
pass
1528
+22
Friars Jn
pass
1506
No report
Old Oak Common West
pass
1506½
pass
1528½
+22
Old Oak Common East
pass
1507
pass
1529
+22
Ladbroke Grove
pass
1508
pass
1530
+22
UM
3
Portobello Jn (London)
1½
pass
1508½
pass
1530¾
+22
Royal Oak Junction
pass
1511
pass
1531¾
+20
London Paddington [PAD]
9
1512
1512
1533¾
+21
3
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