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1B51 1437 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
1437
1437
2
Royal Oak Junction
pass
1438
2
Portobello Jn (London)
pass
1439
2
Ladbroke Grove
pass
1440
2
ML
Acton West
3
pass
1442½
ML
ML
Southall [STL]
½
1
pass
1447½
ML
Heathrow Airport Jn
pass
1449
ML
Slough [SLO]
2
pass
1452½
ML
Maidenhead [MAI]
1
pass
1455½
ML
Twyford [TWY]
1
1
pass
1459
ML
Kennet Bridge Jn
pass
1502
DML
Reading [RDG]
Service stops to pick up passengers only
7
1510
1503½
1510
WL
Oxford Road Jn
pass
1511½
Southcote Jn
pass
1512½
Theale [THE]
pass
1515½
Newbury [NBY]
Pathed as Class 80x on diesel from here
pass
1522½
Bedwyn [BDW]
1
pass
1531½
Pewsey [PEW]
pass
1538
Woodborough
pass
1540½
Lavington
1
pass
1545
Heywood Road Jn
pass
1550½
Hawkeridge Jn
pass
1553
Bradford Jn
1
pass
1600
Bathampton Jn
pass
1612
Bath Spa [BTH]
1
Service stops to drop passengers off only
1
1616
1615½
1617½
North Somerset Jn
pass
1627
DM
Bristol East Jn
pass
1627½
Bristol Temple Meads [BRI]
Service reverses here, stops to drop passengers off only
15
1629
1629
1645
DF
Bristol East Jn
pass
1646
UF
Dr Day's Jn
2
pass
1647
ML
Horfield Junction
½
pass
1652
Filton Abbey Wood [FIT]
1
2
pass
1653½
DF
Bristol Parkway [BPW]
Pathed as Class 80x on electric from here
Service reverses here
2
1657
1705
1657
1705
Patchway [PWY]
2
pass
1706½
Pilning [PIL]
2
pass
1709
Severn Tunnel East
pass
1710
Severn Tunnel West
2
pass
1713½
Severn Tunnel Junction [STJ]
1½
3
pass
1716½
ML
Llanwern West Jn
pass
1723
Maindee East Jn
pass
1724½
ML
Maindee West Jn
½
pass
1725
Newport (South Wales) [NWP]
2
1727
1728
1726½
1728
DM
Gaer Jn
pass
1729½
ML
Ebbw Jn
pass
1730½
Marshfield
½
pass
1733
Moorland Road Junction
1
pass
1737
RL
Long Dyke Jn
pass
1738½
E
Cardiff Central [CDF]
Pathed as Class 80x on diesel from here
3
1740
1742
1741
1743
D
Leckwith North Jn
pass
1746
Pontyclun [PYC]
pass
1754
Bridgend [BGN]
1
1802
1803
1801½
1803
Stormy
pass
1807½
Margam Moors Jn.
pass
1810
Margam East Jn
pass
1811
Port Talbot Parkway [PTA]
1
1814
1815
1813½
1815
Court Sart Jn
pass
1819
Neath [NTH]
1
1821
1822
1821
1822½
Swansea Loop East
pass
1832
Swansea [SWA]
2
1834
1834
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