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1L20 1124 Carmarthen to London Paddington
Departing on 27th December 2025

operated by
Great Western Railway
GBTT
WTT
RTTRealtime
Route
Location
Pl
Arr
Dep
Arr
Dep
Arr
Dep
Dly
Path
Line
Carmarthen [CMN]
1
1124
1124
1124
Carmarthen Jn [XCI]
pass
1126
pass
1126
Ferryside [FYS]
pass
1134
pass
1134
Bertwyn Level Crossing
pass
1136½
pass
1136
Kidwelly [KWL]
1
pass
1138
pass
1138
Kidwelly Junction
pass
1138½
pass
1138
Pembrey & Burry Port [PBY]
1143
1144
1143
1144½
1143
1144
Llanelli [LLE]
UPL
1151
1152
1150½
1152
1150
1152
Llandeilo Jn
pass
1154½
pass
1154
Duffryn West
pass
1155
pass
1155
Gowerton [GWN]
pass
1158½
pass
1158
Cockett West
1
pass
1200
pass
1200
Swansea Loop West
pass
1204
pass
1203
Swansea Loop East
pass
1206
pass
1205
Swansea [SWA]
Pathed as Class 80x on diesel from here
Service reverses here, gains coaches here
3
1208
1216
1208
1216
1207
1216
Swansea Loop East
pass
1217½
pass
1217
Landore Junction
pass
1218½
pass
1218
Llansamlet [LAS]
pass
1221½
pass
1221
Skewen [SKE]
pass
1223½
pass
1223
Neath [NTH]
1227
1228
1226½
1228
1226
1228
Briton Ferry West Jn
pass
1230½
pass
1230
Port Talbot Parkway [PTA]
2
1234
1235
1234
1235½
1234
1235
Port Talbot East
pass
1236½
pass
1236
Margam Middle Jn
pass
1237½
pass
1237
Margam East Jn
pass
1238½
pass
1238
Margam Moors Jn.
pass
1239½
pass
1239
Pyle [PYL]
pass
1241
pass
1240
Stormy
pass
1242½
pass
1242
Bridgend [BGN]
2
1247
1248
1246½
1248
1246
1248
Tremains
pass
1249
pass
1249
Pencoed Up Passenger Loop
pass
1251½
pass
1251
Pencoed [PCD]
pass
1252
pass
1252
Llanharan [LLR]
pass
1254
pass
1254
Llantrisant [LTI]
pass
1255½
pass
1255
Pontyclun [PYC]
1
pass
1256
pass
1256
Miskin
pass
1258½
pass
1258
St Fagans L C
pass
1303½
pass
1303
Leckwith North Jn
pass
1306½
pass
1306
Leckwith Loop
pass
1307
pass
1306
Leckwith South Jn
pass
1307½
pass
1307
Ninian Park [NNP]
1
pass
1307½
pass
1307
Penarth Curve North Jn
4
pass
1308½
pass
1308
Cardiff Radyr Branch Jn
pass
1313½
pass
1312
UR
Cardiff West
pass
1314
pass
1313
Cardiff Central [CDF]
4
1316
1320
1316
1320
1315
1320
D
Cardiff East
pass
1320½
pass
1320
Long Dyke Jn
pass
1322
pass
1322
ML
Moorland Road Junction
pass
1322½
pass
1322
Pengam Jn
pass
1323
pass
1322
Rumney River Bridge Jn
pass
1323½
pass
1323
Marshfield
pass
1326½
pass
1326
Ebbw Jn
pass
1329
pass
1329
Gaer Jn
pass
1329½
pass
1329
UM
Newport (South Wales) [NWP]
1
Pathed as Class 80x on electric from here
3
1332
1333
1331½
1333½
1331
1333
ML
Maindee West Jn
pass
1335½
pass
1335
Maindee East Jn
pass
1336
pass
1336
ML
East Usk Jn.
pass
1337
pass
1337
Llanwern West Jn
pass
1338
pass
1338
Magor
pass
1341½
pass
1341
Severn Tunnel Junction [STJ]
4
pass
1343
pass
1343
Severn Tunnel West
pass
1344
pass
1344
Severn Tunnel East
pass
1347½
pass
1347
Pilning [PIL]
1
1
pass
1348½
pass
1348
Patchway [PWY]
1
pass
1352
pass
1351
Bristol Parkway [BPW]
3
1354
1357
1353½
1357
1353
1357
Westerleigh Jn
pass
1400½
pass
1400
Chipping Sodbury
pass
1402
pass
1401
Badminton
pass
1404
pass
1404
Hullavington
pass
1407
pass
1407
Little Somerford
pass
1409½
pass
1409
Wootton Bassett Jn
1
pass
1413½
pass
1413
Rushey Platt
pass
1417½
pass
1417
Swindon [SWI]
1
1419
1421
1419
1421
1418
1421
Highworth Jn
pass
1422
pass
1421
Swindon Stratton Green
pass
1422½
pass
1422
Swindon South Marston Jn
pass
1423
pass
1422
Bourton
pass
1424
pass
1424
Uffington (Oxfordshire)
pass
1427½
pass
1427
Challow
pass
1429
pass
1429
Wantage Road
1
pass
1430½
pass
1430
Steventon
pass
1433
pass
1432
Milton Junction
pass
1433½
pass
1433
Foxhall Jn [XJF]
pass
1434½
pass
1434
Didcot West End
pass
1435
pass
1434
Didcot Parkway [DID]
2
pass
1435
pass
1434
ML
Didcot East Jn
pass
1435
pass
1435
Moreton Cutting
pass
1436
pass
1435
Cholsey [CHO]
pass
1437
pass
1437
Goring & Streatley [GOR]
1
pass
1439
pass
1438
ML
Pangbourne [PAN]
pass
1441
pass
1440
Tilehurst [TLH]
pass
1443
pass
1442
Tilehurst East Jn.
pass
1443½
pass
1443
Reading High Level Jn
pass
1444½
pass
1444
ML
Reading Main Line West
pass
1445
pass
1444
Reading [RDG]
10
1446
1448
1446
1448
1445
1448
UML
Reading Main Line East
pass
1448½
pass
1448
Kennet Bridge Jn
pass
1449
pass
1449
ML
Twyford West
pass
1451½
pass
1451
Twyford [TWY]
2
pass
1452
pass
1452
ML
Ruscombe
pass
1452½
pass
1452
Maidenhead [MAI]
2
pass
1455½
pass
1455
ML
Maidenhead East
pass
1456
pass
1455
Taplow [TAP]
pass
1456½
pass
1456
Burnham [BNM]
pass
1457
pass
1457
Slough West
pass
1458
pass
1458
Slough [SLO]
2
3
pass
1458½
pass
1458
ML
Dolphin Jn
pass
1459½
pass
1459
Langley [LNY]
pass
1500½
pass
1500
Iver [IVR]
pass
1501½
pass
1501
West Drayton Jcn
pass
1502½
pass
1502
West Drayton [WDT]
pass
1502½
pass
1502
West Drayton East
pass
1503
pass
1502
Stockley Junction
pass
1503½
pass
1503
ML
ML
Heathrow Airport Jn
½
pass
1504
pass
1503
ML
Hayes & Harlington [HAY]
pass
1504
pass
1504
Southall West Jn
pass
1505
pass
1504
Southall [STL]
½
2
pass
1505½
pass
1505
ML
Southall East Jn
pass
1505½
pass
1505
Hanwell [HAN]
pass
1506½
pass
1506
West Ealing Junction
pass
1506½
pass
1506
West Ealing [WEA]
pass
1506½
pass
1506
Ealing Broadway [EAL]
pass
1507
pass
1507
Acton West
1
pass
1507½
pass
1507
ML
ML
Acton Main Line [AML]
pass
1508½
pass
1508
Friars Jn
pass
1509
pass
1508
Old Oak Common West
pass
1509½
pass
1509
Old Oak Common East
pass
1510
pass
1509
Ladbroke Grove
pass
1511
pass
1510
ML
3
Portobello Jn (London)
½
pass
1511½
pass
1511
3
Royal Oak Junction
pass
1513
pass
1513
3
London Paddington [PAD]
8
1514
1514
1514
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