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1B15 1135 London Paddington to Carmarthen
Departing on 10th January 2026

operated by
Great Western Railway
10 coaches
London Paddington - Bristol Temple Meads
800021
800024
10 coaches
Bristol Temple Meads - Bristol Parkway
800024
800021
10 coaches
Bristol Parkway - Swansea
800021
800024
5 coaches
Swansea - Carmarthen
800024
GBTT
WTT
RTTRealtime
Route
Location
Pl
Arr
Dep
Arr
Dep
Arr
Dep
Dly
Path
Line
London Paddington [PAD]
Pathed as Class 80x on electric at 125mph
3
1135
1135
1135½
2
Royal Oak Junction
pass
1136
pass
1136¾
Portobello Jn (London)
pass
1137½
pass
1138
Ladbroke Grove
pass
1138
pass
1138¾
2
DM
Old Oak Common East
pass
1138½
pass
1139½
+1
Old Oak Common West
pass
1139
pass
1140
+1
Friars Jn
pass
1139½
pass
1140¼
+1
Acton Main Line [AML]
pass
1140
pass
1141
+1
Acton West
pass
1140½
pass
1141¼
ML
ML
Ealing Broadway [EAL]
1
pass
1141
pass
1141¾
+1
West Ealing [WEA]
pass
1141½
pass
1142¼
+1
West Ealing Junction
pass
1141½
pass
1142¼
+1
Hanwell [HAN]
pass
1141½
pass
1142½
+1
Southall East Jn
pass
1142½
pass
1143¼
+1
Southall [STL]
1
pass
1142½
pass
1143¾
+1
Southall West Jn
pass
1143
pass
1143¾
+1
Hayes & Harlington [HAY]
1
pass
1143½
pass
1144¾
+1
Heathrow Airport Jn
pass
1143½
pass
1144½
+1
ML
Stockley Junction
pass
1144
pass
1144¾
+1
West Drayton East
pass
1144½
pass
1145¼
+1
West Drayton [WDT]
1
pass
1144½
pass
1145¾
+1
West Drayton Jcn
pass
1144½
pass
1146
+1
Iver [IVR]
1
pass
1145
pass
1146½
+1
Langley [LNY]
1
pass
1146
pass
1147½
+1
Dolphin Jn
pass
1146½
pass
1148
+1
Slough [SLO]
2
pass
1147
pass
1148¾
+1
ML
Slough West
pass
1147½
pass
1149¼
+1
Burnham [BNM]
pass
1148½
pass
1150¼
+2
Taplow [TAP]
1
pass
1149
pass
1151
+2
Maidenhead East
pass
1149½
pass
1152
+2
Maidenhead [MAI]
1
pass
1150
pass
1152¼
+2
Ruscombe
pass
1153
pass
1154½
+1
Twyford [TWY]
1
1
pass
1153½
pass
1155¼
+1
ML
Twyford West
pass
1154
pass
1155½
+1
Kennet Bridge Jn
pass
1156½
pass
1158
+1
Reading Main Line East
pass
1157
pass
1159
+2
Reading [RDG]
7
1158
1201
1158
1201
1200¼
1202¼
+1
DM
DW
Reading Main Line West
pass
1202
pass
1203
+1
Oxford Road Jn
1½
pass
1203
pass
1204¼
+1
Reading West [RDW]
1
pass
1203½
pass
1204
Southcote Jn
pass
1205½
pass
1205
Theale [THE]
1
2
pass
1208½
pass
1207½
Aldermaston [AMT]
2
pass
1211
pass
1210
Midgham [MDG]
1
pass
1212
pass
1210¼
-1
Thatcham [THA]
1
pass
1214
pass
1213¼
Newbury Racecourse [NRC]
3
pass
1216
pass
1217
+1
DW
DNL
Approaching
Newbury [NBY]
Pathed as Class 80x on diesel from here
1
pass
1216½
pass
1218¾
+2
DNL
DW
Kintbury [KIT]
1
pass
1220
pass
1223
+3
Hungerford [HGD]
2
pass
1222
pass
1225½
+3
Bedwyn [BDW]
1½
1
pass
1225½
pass
1229¾
+4
Savernake
pass
1229
pass
1231½
+2
Pewsey [PEW]
1½
1
pass
1233½
pass
1236¼
+2
Woodborough
½
pass
1237½
pass
1240
+2
Lavington
1 5
pass
1242½
pass
1245¼
+2
Heywood Road Jn
pass
1253
pass
1251
-1
DW
DWL
Hawkeridge Jn
pass
1255½
pass
1253¾
-1
DWL
DT
Trowbridge [TRO]
1
pass
1300½
pass
1258¼
-2
Bradford Jn
1
pass
1302½
pass
1300
-2
Bradford-on-Avon [BOA]
1
pass
1305
pass
1304¼
Avoncliff [AVF]
1
pass
1307
pass
1306½
Freshford [FFD]
1
pass
1308
pass
1308
Bathampton Jn
pass
1314½
pass
1314¼
DT
DM
Bath Spa [BTH]
1 3½
1
1318
1320
1318
1320
1318
1319¾
Oldfield Park [OLF]
1
pass
1321½
pass
1321¼
Twerton
pass
1323
pass
1322¼
Keynsham [KYN]
1
pass
1328½
pass
1326¼
-2
North Somerset Jn
3
pass
1333
pass
1335¾
+2
Bristol East Jn
pass
1336½
pass
1337½
+1
DM
UM
Bristol Temple Meads [BRI]
Service reverses here
13
1338
1346
1338
1346
1338¾
1345¾
UM
DF
Bristol East Jn
pass
1347
pass
1347
UM
Dr Day's Jn
pass
1348
pass
1348
ML
Lawrence Hill [LWH]
pass
1348½
pass
1348½
Stapleton Road [SRD]
pass
1349
pass
1349½
Narroways Hill Jn
pass
1349½
pass
1349¾
Horfield Junction
pass
1351
pass
1351½
Filton Abbey Wood [FIT]
1
2
pass
1352
pass
1352¼
UFM
UD
Filton Jn
pass
1352½
No report
Bristol Parkway [BPW]
Pathed as Class 80x on electric from here
Service reverses here
2
1356
1405
1355½
1405
1355
1404¾
DT
Patchway [PWY]
2
pass
1406½
pass
1406¼
Pilning [PIL]
2
pass
1409
pass
1409¼
Severn Tunnel East
pass
1410
pass
1410
Severn Tunnel West
pass
1413½
pass
1413½
Severn Tunnel Junction [STJ]
3
pass
1414½
pass
1415
DT
DM
Magor
pass
1416
pass
1416½
Llanwern West Jn
pass
1419½
pass
1420
East Usk Jn.
pass
1420
pass
1420½
Maindee East Jn
pass
1421
pass
1421½
ML
Maindee West Jn
pass
1421½
pass
1422¼
Newport (South Wales) [NWP]
2
1423
1424
1422½
1424½
1423½
1424¾
DM
DM
Gaer Jn
pass
1426
pass
1426½
DM
Ebbw Jn
pass
1427
pass
1427¼
DM
DM
Marshfield
1
pass
1429½
pass
1430
Rumney River Bridge Jn
pass
1433
pass
1432¼
Pengam Jn
pass
1433½
pass
1432¾
Moorland Road Junction
pass
1434
pass
1433¼
Long Dyke Jn
pass
1434½
pass
1434
E
Cardiff East
pass
1436
pass
1435¼
DM
E
Cardiff Central [CDF]
Pathed as Class 80x on diesel from here
3
1437
1440
1437
1440
1436½
1439½
E
D
Cardiff West
pass
1441
No report
Leckwith North Jn
pass
1443
pass
1442½
D
DM
St Fagans L C
pass
1445
pass
1445
Miskin
pass
1449
pass
1448¾
Pontyclun [PYC]
1
pass
1451
pass
1450¾
Llantrisant [LTI]
pass
1451½
No report
Llanharan [LLR]
2
pass
1453
pass
1453
Pencoed [PCD]
1
pass
1455
pass
1454¾
Tremains
pass
1457½
pass
1456¾
Bridgend [BGN]
1
1459
1500
1458½
1500½
1458¼
1500
DM
DM
Stormy
pass
1505
pass
1505
Pyle [PYL]
1
pass
1506
pass
1506
Margam Moors Jn.
pass
1507½
pass
1507¼
DM
Margam East Jn
pass
1508½
pass
1508½
Margam Middle Jn
pass
1509
pass
1508¾
Port Talbot East
pass
1510
No report
Port Talbot Parkway [PTA]
1
1511
1512
1511
1512½
1510¾
1511½
Baglan [BAJ]
1
pass
1514½
pass
1514½
Briton Ferry East
pass
1515½
pass
1514¾
Briton Ferry [BNF]
1
pass
1516½
pass
1516
Court Sart Jn
pass
1516½
pass
1515¾
Neath [NTH]
1 3
1
1519
1520
1518½
1520
1517¾
1519¾
Skewen [SKE]
1
pass
1524
pass
1522¾
-1
Llansamlet [LAS]
1
pass
1527
pass
1524¾
-2
Landore Junction
pass
1531
pass
1527½
-3
DM
DSM
Swansea Loop East
pass
1532½
pass
1528¾
-3
Swansea [SWA]
Pathed as Class 80x on diesel from here
Service divides here, reverses here
3
1534
1542
1534
1542
1530¾
1541¾
DSM
USM
Swansea Loop East
pass
1543½
pass
1543¾
USM
DSL
Swansea Loop West
pass
1545½
pass
1545½
DSL
DM
Cockett West
pass
1549½
pass
1549½
Gowerton [GWN]
1
pass
1552
pass
1551¼
Duffryn West
pass
1555
pass
1554
Llandeilo Jn
pass
1555½
pass
1554½
Llanelli [LLE]
1
1558
1559
1558
1559½
1556¾
1558
-1
DD
Pembrey & Burry Port [PBY]
1605
1606
1605
1606½
1604
N/R
-1
Kidwelly Junction
pass
1611½
No report
Kidwelly [KWL]
2
pass
1612
No report
Bertwyn Level Crossing
pass
1613½
No report
Ferryside [FYS]
1
pass
1616
No report
Carmarthen Jn [XCI]
pass
1625
pass
1621
-4
DD
Carmarthen [CMN]
2
1627
1627
1623
-4
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