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1L20 1224 Swansea to London Paddington
Departing on 29th November 2025

operated by
Great Western Railway
10 coaches
800024
800031
GBTT
WTT
RTTRealtime
Route
Location
Pl
Arr
Dep
Arr
Dep
Arr
Dep
Dly
Path
Line
Swansea [SWA]
Pathed as Class 80x on diesel at 125mph
3
1224
1224
1224
USM
Swansea Loop East
pass
1225½
pass
1225¾
Landore Junction
pass
1226½
pass
1227¼
USM
UM
Llansamlet [LAS]
2
pass
1229½
pass
1230¼
Skewen [SKE]
2
pass
1231½
pass
1232½
+1
Neath [NTH]
2
1235
1236
1234½
1236
1235
1237
+1
Briton Ferry West Jn
pass
1238½
pass
1240
+1
Port Talbot Parkway [PTA]
2
1242
1243
1242
1243½
1243¾
1245¼
+1
Port Talbot East
pass
1244½
No report
Margam Middle Jn
pass
1245½
pass
1246¾
+1
Margam East Jn
pass
1246½
pass
1248¼
+1
Margam Moors Jn.
pass
1247½
pass
1249¾
+2
UM
Pyle [PYL]
2
pass
1249
pass
1251½
+2
Stormy
pass
1250½
pass
1253¾
+3
At platform
Bridgend [BGN]
2
1255
1256
1254½
1256
1257¾
1259½
+3
UM
UM
Tremains
pass
1257
pass
1301¾
+4
Pencoed Up Passenger Loop
pass
1259½
No report
Pencoed [PCD]
2
pass
1300
pass
1304
+4
Llanharan [LLR]
1
pass
1302
pass
1306¼
+4
Llantrisant [LTI]
pass
1303½
No report
Pontyclun [PYC]
1
2
pass
1304
pass
1308¼
+4
Miskin
pass
1306
pass
1310¼
+4
St Fagans L C
pass
1310½
pass
1314¼
+3
Leckwith North Jn
pass
1313
pass
1316½
+3
UM
C
Cardiff West
pass
1315½
No report
Cardiff Central [CDF]
Pathed as Class 80x on electric from here
2
1317
1320
1316½
1320
1319¾
1322¾
+2
C
B
Cardiff East
pass
1320½
pass
1324
+3
Long Dyke Jn
pass
1322
pass
1325
+3
B
UM
Moorland Road Junction
pass
1322½
pass
1325¾
+3
Pengam Jn
pass
1323
pass
1326
+3
Rumney River Bridge Jn
pass
1323
pass
1326½
+3
Marshfield
pass
1326
pass
1329
+3
Ebbw Jn
pass
1328½
pass
1331¾
+3
UM
UM
Gaer Jn
pass
1329½
pass
1332
+2
UM
Newport (South Wales) [NWP]
3
1331
1333
1331
1333
1334¼
1336
+3
UM
UM
Maindee West Jn
pass
1334
pass
1337½
+3
Maindee East Jn
pass
1334½
pass
1338
+3
East Usk Jn.
pass
1335
pass
1338¾
+3
Llanwern West Jn
pass
1336
pass
1339¾
+3
Magor
pass
1340
pass
1342¾
+2
Severn Tunnel Junction [STJ]
4
pass
1341½
pass
1345¼
+3
UM
UT
Severn Tunnel West
pass
1342½
pass
1345¾
+3
Severn Tunnel East
pass
1346
pass
1349¼
+3
Pilning [PIL]
1
1
pass
1347
pass
1350½
+3
Patchway [PWY]
1
1
pass
1350½
pass
1356¾
+6
Bristol Parkway [BPW]
3
1353
1357
1353
1357
1358½
1400¾
+3
UT
UB
Westerleigh Jn
pass
1400½
pass
1404½
+4
Chipping Sodbury
pass
1402
pass
1406
+4
Badminton
pass
1404
pass
1408¼
+4
Hullavington
pass
1407
pass
1410¾
+3
Little Somerford
pass
1409½
pass
1413¾
+4
Wootton Bassett Jn
1
pass
1413½
pass
1416¾
+3
UB
UM
Swindon [SWI]
1
1419
1421
1419
1421
1422½
1424¼
+3
UR
UM
Highworth Jn
pass
1422
pass
1426¼
+4
Swindon Stratton Green
pass
1422½
pass
1426¾
+4
Swindon South Marston Jn
pass
1423
pass
1427¼
+4
Bourton
pass
1424
pass
1428½
+4
Uffington (Oxfordshire)
pass
1427½
pass
1431½
+4
Challow
pass
1429
pass
1432½
+3
Wantage Road
1
pass
1430½
pass
1434¾
+4
Steventon
pass
1433
pass
1436
+3
Milton Junction
pass
1433½
pass
1437
+3
Foxhall Jn [XJF]
pass
1434½
pass
1438¾
+4
Didcot West End
pass
1435
No report
Didcot Parkway [DID]
2
pass
1435
pass
1440
+5
Didcot East Jn
pass
1435
pass
1440¾
+5
Moreton Cutting
pass
1436
pass
1441¼
+5
Cholsey [CHO]
2
pass
1437
pass
1442¾
+5
Goring & Streatley [GOR]
1
2
pass
1439
pass
1444½
+5
ML
Pangbourne [PAN]
pass
1441
pass
1446½
+5
Tilehurst [TLH]
2
pass
1443
pass
1447½
+4
Tilehurst East Jn.
pass
1443½
pass
1447¾
+4
Reading High Level Jn
pass
1444½
pass
1449
+4
ML
Reading Main Line West
pass
1445
pass
1449¾
+4
Reading [RDG]
11
1446
1448
1446
1448
1450½
1452¼
+4
UM
UM
Reading Main Line East
pass
1448½
pass
1453
+4
Kennet Bridge Jn
pass
1449
pass
1453½
+4
Twyford West
pass
1451½
pass
1455½
+4
Twyford [TWY]
2
pass
1452
pass
1456¼
+4
ML
Ruscombe
pass
1452½
pass
1456¾
+4
Maidenhead [MAI]
2
pass
1455½
pass
1459¾
+4
Maidenhead East
pass
1456
pass
1459¾
+4
Taplow [TAP]
2
pass
1456½
pass
1500½
+4
Burnham [BNM]
pass
1457
pass
1500¾
+3
Slough West
pass
1458
pass
1501¾
+3
Slough [SLO]
3
pass
1458½
pass
1502½
+4
Dolphin Jn
pass
1459
pass
1502¾
+3
Langley [LNY]
2
pass
1459½
pass
1503½
+3
Iver [IVR]
2
pass
1500½
pass
1504¼
+4
West Drayton Jcn
pass
1501
pass
1504½
+3
West Drayton [WDT]
2
pass
1501
pass
1505
+4
West Drayton East
pass
1501
pass
1505
+3
Stockley Junction
pass
1501½
pass
1505
+3
ML
ML
Heathrow Airport Jn
pass
1502
pass
1505½
+3
Hayes & Harlington [HAY]
2
pass
1502
pass
1505¾
+3
Southall West Jn
pass
1502½
pass
1506¼
+3
Southall [STL]
2
pass
1503
pass
1506
+3
ML
Southall East Jn
pass
1503
pass
1506½
+3
Hanwell [HAN]
1
pass
1503½
pass
1507¼
+3
West Ealing Junction
pass
1504
pass
1507¾
+3
West Ealing [WEA]
pass
1504
pass
1508
+4
Ealing Broadway [EAL]
2
pass
1504
pass
1508½
+4
Acton West
1
pass
1504½
pass
1508¾
+4
ML
ML
Acton Main Line [AML]
2
pass
1505½
pass
1509½
+4
Friars Jn
pass
1506
No report
Old Oak Common West
pass
1506½
pass
1511½
+5
Old Oak Common East
pass
1507
pass
1512½
+5
Ladbroke Grove
pass
1508
pass
1518¾
+10
UM
4
Portobello Jn (London)
1½
pass
1508½
pass
1519½
+11
Royal Oak Junction
pass
1511
pass
1520½
+9
London Paddington [PAD]
8
1512
1512
1522½
+10
4
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