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1L18 1121 Swansea to London Paddington
Departing on 3rd January 2026

operated by
Great Western Railway
10 coaches
Swansea - Bristol Parkway
800023
800024
10 coaches
Bristol Parkway - Bristol Temple Meads
800024
800023
10 coaches
Bristol Temple Meads - London Paddington
800023
800024
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
1121
1121
1120½
USM
Swansea Loop East
pass
1122½
pass
1122¼
Landore Junction
pass
1123½
pass
1123½
USM
UM
Llansamlet [LAS]
2
pass
1126½
pass
1126½
Skewen [SKE]
2
pass
1128½
pass
1128¾
Neath [NTH]
2
1132
1133
1131½
1133
1131¼
1133¾
Briton Ferry West Jn
pass
1135½
pass
1136½
+1
Port Talbot Parkway [PTA]
2
1139
1141
1139
1141
1140¼
1141½
Port Talbot East
pass
1142
No report
Margam Middle Jn
pass
1143
pass
1143
Margam East Jn
pass
1144
pass
1144½
Margam Moors Jn.
pass
1145
pass
1146
+1
UM
Pyle [PYL]
2
pass
1146½
pass
1147½
Stormy
pass
1148
pass
1149¾
+1
At platform
Bridgend [BGN]
2
1152
1154
1152
1154
1153½
1155
+1
UM
UM
Tremains
pass
1155
pass
1157¼
+2
Pencoed Up Passenger Loop
pass
1157½
No report
Pencoed [PCD]
2
pass
1158
pass
1159½
+1
Llanharan [LLR]
1
pass
1200
pass
1201½
+1
Llantrisant [LTI]
pass
1201½
No report
Pontyclun [PYC]
1
2
pass
1202
pass
1203¾
+1
Miskin
pass
1204
pass
1205¾
+1
St Fagans L C
pass
1208½
pass
1209¾
+1
Leckwith North Jn
pass
1211
pass
1212
+1
UM
C
Cardiff West
pass
1213½
No report
Cardiff Central [CDF]
Pathed as Class 80x on electric from here
2
1215
1220
1214½
1220
1215¼
1219¾
C
B
Cardiff East
pass
1220½
pass
1221
Long Dyke Jn
pass
1222
pass
1222¼
B
UM
Moorland Road Junction
pass
1222½
pass
1223¼
Pengam Jn
pass
1223
pass
1223½
Rumney River Bridge Jn
pass
1223
pass
1223¾
Marshfield
pass
1226
pass
1226¼
Ebbw Jn
pass
1228½
pass
1229¼
UM
UM
Gaer Jn
pass
1229
pass
1229¾
UM
Newport (South Wales) [NWP]
3
1231
1234
1231
1234
1232½
1234½
UM
UM
Maindee West Jn
pass
1235
pass
1236
+1
Maindee East Jn
pass
1235½
pass
1236½
+1
ML
East Usk Jn.
pass
1236½
pass
1237¼
Llanwern West Jn
pass
1237½
pass
1238¼
Magor
pass
1241
pass
1241¼
Severn Tunnel Junction [STJ]
4
pass
1242½
pass
1243¾
+1
UM
UT
Severn Tunnel West
pass
1243½
pass
1244½
+1
Severn Tunnel East
pass
1247
pass
1248¼
+1
Pilning [PIL]
1
1
pass
1248
pass
1249¼
+1
Patchway [PWY]
1
pass
1251½
pass
1252¼
Bristol Parkway [BPW]
Pathed as Class 80x on diesel from here
Service reverses here
4
1254
1312
1254
1312½
1255
1313½
+1
UT
DF
Filton Jn
pass
1314½
No report
Filton Abbey Wood [FIT]
1
pass
1315
pass
1316½
+1
DF
DFM
Horfield Junction
1
pass
1315½
pass
1317
+1
Narroways Hill Jn
pass
1317½
pass
1318½
+1
Stapleton Road [SRD]
pass
1318
pass
1319
+1
Lawrence Hill [LWH]
pass
1318½
pass
1319¾
+1
Dr Day's Jn
pass
1319
pass
1320¼
+1
DF
Bristol East Jn
pass
1320
pass
1321¼
+1
DFM
DF
Bristol Temple Meads [BRI]
Service reverses here
13
1322
1330
1321½
1330
1322½
1330
DF
UH
Bristol East Jn
pass
1331
pass
1331½
North Somerset Jn
pass
1332
pass
1332½
Keynsham [KYN]
2
pass
1335
pass
1336¼
+1
Twerton
pass
1339
pass
1339¾
Oldfield Park [OLF]
2
pass
1339½
pass
1340½
Bath Spa [BTH]
2
1341
1343
1341
1343
1342
1344¼
+1
Bathampton Jn
pass
1346½
pass
1347½
+1
UM
UT
Bathampton Sig Bl1990
pass
1350½
pass
1351
Bradford-on-Avon [BOA]
2
pass
1354½
pass
1354½
Bradford Jn
1
pass
1357
pass
1357½
Trowbridge [TRO]
2
pass
1359
pass
1359
Hawkeridge Jn
pass
1404
pass
1403½
UT
UWL
Heywood Road Jn
pass
1407
pass
1406¼
UWL
UW
Lavington
pass
1412½
pass
1412¼
Woodborough
pass
1418½
pass
1418½
Pewsey [PEW]
2
pass
1421
pass
1421
Savernake
pass
1424
pass
1423¾
Bedwyn [BDW]
2
pass
1426½
pass
1427½
+1
Hungerford [HGD]
1
1
pass
1430½
pass
1431
Hungerford Loop
pass
1431½
No report
Kintbury [KIT]
2
pass
1432½
pass
1433
Newbury [NBY]
1½
Pathed as Class 80x on electric from here
pass
1436½
pass
1436½
Newbury Racecourse [NRC]
2
pass
1437
pass
1437¼
Thatcham [THA]
2
pass
1438½
pass
1438¾
Midgham [MDG]
2
pass
1440½
pass
1440¾
Aldermaston [AMT]
1
pass
1442
pass
1441¼
Theale [THE]
1 2
1
pass
1444
pass
1443¾
Southcote Jn
1
pass
1450
pass
1447½
-2
Reading West [RDW]
2
pass
1452
pass
1450¼
-1
Oxford Road Jn
pass
1452
pass
1450¼
-1
UW
UFM
Reading Main Line West
pass
1453½
pass
1451¾
-1
Reading [RDG]
10
1455
1500
1454½
1501½
1452¾
1459½
-1
UFM
UM
Reading Main Line East
pass
1502
pass
1500¼
-1
Kennet Bridge Jn
pass
1502½
pass
1501
-1
Twyford West
pass
1505
pass
1503
-1
Twyford [TWY]
2
pass
1505½
pass
1503¾
-1
ML
Ruscombe
pass
1506
pass
1504
-2
Maidenhead [MAI]
2
pass
1509
pass
1507
-1
Maidenhead East
pass
1509½
pass
1507
-2
Taplow [TAP]
2
pass
1510
pass
1507¾
-1
Burnham [BNM]
pass
1510½
pass
1508
-2
Slough West
pass
1511½
pass
1510¼
-1
UM
UR
Slough [SLO]
1 3½
5
pass
1512
pass
1511¾
Dolphin Jn
pass
1514
pass
1512¾
Langley [LNY]
4
pass
1515
pass
1513¾
-1
Iver [IVR]
4
pass
1517½
pass
1516¼
West Drayton Jcn
pass
1519½
pass
1518¼
West Drayton [WDT]
4
pass
1519½
pass
1518¾
West Drayton East
pass
1520
pass
1519¼
Stockley Junction
pass
1521
pass
1520
-1
Heathrow Airport Jn
1
pass
1522½
pass
1521½
RL
Hayes & Harlington [HAY]
4
pass
1523
pass
1522½
Southall West Jn
½
pass
1524½
pass
1523¾
UR
UM
Southall [STL]
½
2
pass
1525½
pass
1524½
ML
Southall East Jn
pass
1525½
pass
1524¾
Hanwell [HAN]
1
pass
1526½
pass
1526
West Ealing Junction
pass
1526½
pass
1526¼
West Ealing [WEA]
pass
1526½
pass
1526½
Ealing Broadway [EAL]
2
pass
1527
pass
1527¼
Acton West
1
pass
1527½
pass
1527
ML
ML
Acton Main Line [AML]
2
pass
1528½
pass
1528
Friars Jn
pass
1529
No report
Old Oak Common West
pass
1529½
pass
1528½
Old Oak Common East
pass
1530
pass
1528¾
-1
Ladbroke Grove
½
pass
1531
pass
1529¾
-1
UM
3
Portobello Jn (London)
pass
1532
pass
1530¼
-1
Royal Oak Junction
pass
1533
pass
1533
3
2
London Paddington [PAD]
1
1534
1534
1536¼
+2
2
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