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1B35 1237 London Paddington to Swansea
Departing on 19th April 2026

operated by
Great Western Railway
GBTT
WTT
Route
Location
Pl
Arr
Dep
Arr
Dep
Path
Line
London Paddington [PAD]
4
1237
1237
2
Royal Oak Junction
pass
1238
2
Portobello Jn (London)
pass
1239
2
Ladbroke Grove
pass
1240
2
ML
Acton West
3
pass
1242½
ML
ML
Southall [STL]
½
1
pass
1247½
ML
Heathrow Airport Jn
pass
1249
ML
Slough [SLO]
2
pass
1252½
ML
Maidenhead [MAI]
1
pass
1255½
ML
Twyford [TWY]
1
1
pass
1259
ML
Kennet Bridge Jn
pass
1302
DML
Reading [RDG]
9
1304
1310
1303½
1310
ML
Reading High Level Jn
pass
1311
ML
Goring & Streatley [GOR]
1
pass
1316
ML
Didcot Parkway [DID]
1
pass
1321
Wantage Road
pass
1325
Challow
pass
1327
Uffington (Oxfordshire)
1
pass
1328
Swindon [SWI]
4
1335
1338
1335
1338
Wootton Bassett Jn
pass
1342½
Hullavington
1
pass
1349
Westerleigh Jn
pass
1356½
Bristol Parkway [BPW]
2
1400
1401
1359½
1401½
Patchway [PWY]
2
pass
1403
Pilning [PIL]
2
pass
1405½
Severn Tunnel East
pass
1406½
Severn Tunnel West
pass
1410
Severn Tunnel Junction [STJ]
3
pass
1411
ML
Llanwern West Jn
pass
1416
Maindee East Jn
pass
1417½
ML
Maindee West Jn
½
pass
1418
Newport (South Wales) [NWP]
2
1420
1421
1419½
1421
DM
Gaer Jn
pass
1422½
ML
Ebbw Jn
pass
1423½
Marshfield
pass
1426
Moorland Road Junction
1
pass
1429½
RL
Long Dyke Jn
pass
1431
E
Cardiff Central [CDF]
Pathed as Class 80x on diesel from here
3
1435
1435
1433½
1436½
D
Leckwith North Jn
pass
1439½
Pontyclun [PYC]
pass
1447½
Bridgend [BGN]
1
1454
1456
1455
1457
Stormy
pass
1501½
Margam Moors Jn.
pass
1504
Margam East Jn
pass
1505
Port Talbot Parkway [PTA]
1
1507
1508
1507½
1509
Court Sart Jn
pass
1513
Neath [NTH]
1 1½
1514
1515
1515
1516½
Swansea Loop East
pass
1527½
Swansea [SWA]
3
1529
1529
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