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1L54 1123 Swansea to London Paddington
Departing on 12th April 2026

operated by
Great Western Railway
GBTT
WTT
Route
Location
Pl
Arr
Dep
Arr
Dep
Path
Line
Swansea [SWA]
3
1123
1123
Swansea Loop East
pass
1124½
Neath [NTH]
1134
1135
1133½
1135
Briton Ferry West Jn
pass
1137½
Port Talbot Parkway [PTA]
2
1141
1142
1141
1142½
Margam East Jn
pass
1145½
Margam Moors Jn.
pass
1146½
Stormy
pass
1149½
Bridgend [BGN]
2
1154
1155
1153½
1155
Pencoed [PCD]
pass
1159
Pontyclun [PYC]
1
pass
1203
Leckwith North Jn
pass
1212
C
Cardiff Central [CDF]
Pathed as Class 80x on electric from here
1
1216
1220
1215½
1220
B
Long Dyke Jn
pass
1222
ML
Marshfield
pass
1226
Ebbw Jn
pass
1228½
Gaer Jn
pass
1229
UM
Newport (South Wales) [NWP]
3
1231
1233
1231
1233
ML
Maindee West Jn
pass
1234
Maindee East Jn
pass
1234½
ML
Llanwern West Jn
pass
1236½
Severn Tunnel Junction [STJ]
4
pass
1241½
Severn Tunnel West
pass
1242½
Severn Tunnel East
pass
1246
Pilning [PIL]
1
1
pass
1247
Patchway [PWY]
1
1
pass
1250½
Bristol Parkway [BPW]
3
1253
1255
1253
1255
Westerleigh Jn
pass
1258½
Hullavington
pass
1305
Wootton Bassett Jn
1
pass
1311½
Swindon [SWI]
3
1317
1319
1317
1319
Uffington (Oxfordshire)
pass
1325½
Challow
pass
1327
Wantage Road
1
pass
1328½
Didcot Parkway [DID]
2
pass
1333
ML
Goring & Streatley [GOR]
1
pass
1337
ML
Reading High Level Jn
pass
1342½
ML
Reading [RDG]
10
1344
1350
1344
1350½
UML
Kennet Bridge Jn
pass
1351½
ML
Twyford [TWY]
2
pass
1354½
ML
Maidenhead [MAI]
2
pass
1358
ML
Slough [SLO]
3
pass
1401
ML
Stockley Junction
pass
1404
ML
ML
Heathrow Airport Jn
pass
1404½
ML
Southall [STL]
2
pass
1405½
ML
Southall East Jn
pass
1406
RL
West Ealing [WEA]
1½
4
pass
1407½
RL
Acton West
1
pass
1410
RL
RL
Ladbroke Grove
½
pass
1414
RL
4
Portobello Jn (London)
pass
1415
4
Royal Oak Junction
pass
1416
3
London Paddington [PAD]
2
1417
1417
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