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1B46 1337 London Paddington to Swansea
Departing on 25th January 2026

operated by
Great Western Railway
GBTT
WTT
Route
Location
Pl
Arr
Dep
Arr
Dep
Path
Line
London Paddington [PAD]
2
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]
Service stops to pick up passengers only
7
1410
1403½
1410
WL
Oxford Road Jn
pass
1411½
Southcote Jn
pass
1412½
Theale [THE]
pass
1415½
Newbury [NBY]
Pathed as Class 80x on diesel from here
pass
1422½
Bedwyn [BDW]
1
pass
1431½
Pewsey [PEW]
pass
1438
Woodborough
pass
1440½
Lavington
1
pass
1445
Heywood Road Jn
2
pass
1450½
Hawkeridge Jn
pass
1455
Bradford Jn
1
pass
1502
Bathampton Jn
pass
1514
Bath Spa [BTH]
1
Service stops to drop passengers off only
1
1518
1517½
1519½
North Somerset Jn
pass
1529
DM
Bristol East Jn
pass
1529½
Bristol Temple Meads [BRI]
Service reverses here, stops to drop passengers off only
15
1531
1531
1541
DF
Bristol East Jn
pass
1542
UF
Dr Day's Jn
½
pass
1543
ML
Horfield Junction
1½
pass
1546½
Filton Abbey Wood [FIT]
1
2
pass
1549
DF
Bristol Parkway [BPW]
Pathed as Class 80x on electric from here
Service reverses here
2
1553
1601
1552½
1601½
Patchway [PWY]
2
pass
1603
Pilning [PIL]
2
pass
1605½
Severn Tunnel East
pass
1606½
Severn Tunnel West
pass
1610
Severn Tunnel Junction [STJ]
3
pass
1611
ML
Llanwern West Jn
pass
1616
Maindee East Jn
pass
1617½
ML
Maindee West Jn
pass
1618
Newport (South Wales) [NWP]
2
1619
1621
1619
1621
DM
Gaer Jn
pass
1622½
ML
Ebbw Jn
pass
1623½
Marshfield
pass
1626
Moorland Road Junction
1
pass
1629½
RL
Long Dyke Jn
pass
1631
E
Cardiff Central [CDF]
Pathed as Class 80x on diesel from here
3
1634
1635
1633½
1636½
D
Leckwith North Jn
pass
1639½
Pontyclun [PYC]
1
pass
1647½
Bridgend [BGN]
1
1654
1656
1656
1659½
Stormy
½
pass
1704
Margam Moors Jn.
pass
1707
Margam East Jn
pass
1708
Port Talbot Parkway [PTA]
1
1709
1710
1710½
1712
Court Sart Jn
pass
1716
Neath [NTH]
1
1716
1717
1718
1719½
Swansea Loop East
pass
1729
Swansea [SWA]
3
1731
1731
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