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1B40 1337 London Paddington to Carmarthen
Departing on 19th April 2026

operated by
Great Western Railway
GBTT
WTT
Route
Location
Pl
Arr
Dep
Arr
Dep
Path
Line
London Paddington [PAD]
1
1337
1337
2
Royal Oak Junction
pass
1338
2
Portobello Jn (London)
pass
1339
2
Ladbroke Grove
pass
1340
2
ML
Acton West
3
pass
1342½
ML
ML
Southall [STL]
½
1
pass
1347½
ML
Heathrow Airport Jn
pass
1349
ML
Slough [SLO]
2
pass
1352½
ML
Maidenhead [MAI]
1
pass
1355½
ML
Twyford [TWY]
1
1
pass
1359
ML
Kennet Bridge Jn
pass
1402
DML
Reading [RDG]
9
1404
1410
1403½
1410
ML
Reading High Level Jn
pass
1411
ML
Goring & Streatley [GOR]
1
pass
1416
ML
Didcot Parkway [DID]
1
pass
1421
Wantage Road
pass
1425
Challow
pass
1427
Uffington (Oxfordshire)
1
pass
1428
Swindon [SWI]
4
1435
1438
1435
1438
Wootton Bassett Jn
pass
1442½
Hullavington
1
pass
1449
Westerleigh Jn
2
pass
1456½
Bristol Parkway [BPW]
2
1500
1501
1501½
1503
Patchway [PWY]
2
pass
1504½
Pilning [PIL]
2
pass
1507
Severn Tunnel East
pass
1508
Severn Tunnel West
2½
pass
1511½
Severn Tunnel Junction [STJ]
1½
3
pass
1515
ML
Llanwern West Jn
pass
1521½
Maindee East Jn
pass
1523
ML
Maindee West Jn
½
pass
1523½
Newport (South Wales) [NWP]
2
1525
1526
1525
1526½
DM
Gaer Jn
pass
1528
ML
Ebbw Jn
pass
1529
Marshfield
½
pass
1531½
Moorland Road Junction
1 ½
pass
1535½
RL
Long Dyke Jn
pass
1537½
E
Cardiff Central [CDF]
Pathed as Class 80x on diesel from here
4
1540
1541
1540
1542
D
Leckwith North Jn
pass
1545
Pontyclun [PYC]
pass
1553
Bridgend [BGN]
1
1601
1602
1600½
1602
Stormy
pass
1606½
Margam Moors Jn.
pass
1609
Margam East Jn
pass
1610
Port Talbot Parkway [PTA]
1
1613
1614
1612½
1614
Court Sart Jn
pass
1618
Neath [NTH]
1
1620
1621
1620
1621½
Swansea Loop East
pass
1631
Swansea [SWA]
Pathed as Class 80x on diesel from here
Service divides here, reverses here
3
1633
1640
1632½
1640½
Swansea Loop East
pass
1642
Swansea Loop West
pass
1644
Gowerton [GWN]
pass
1650
Llandeilo Jn
pass
1653½
Llanelli [LLE]
DPL
1656
1657
1656
1657½
Pembrey & Burry Port [PBY]
1703
1704
1703
1704½
Kidwelly [KWL]
2
pass
1710
Bertwyn Level Crossing
pass
1711½
Ferryside [FYS]
1
pass
1714
Carmarthen Jn [XCI]
pass
1723
Carmarthen [CMN]
2
1725
1725
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