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1B51 1537 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]
2
1537
1537
2
Royal Oak Junction
pass
1538
2
Portobello Jn (London)
pass
1539½
2
Ladbroke Grove
pass
1540
2
ML
Acton West
3
pass
1542½
ML
ML
Southall [STL]
½
1
pass
1547½
ML
Heathrow Airport Jn
pass
1549
ML
Slough [SLO]
2
pass
1552½
ML
Maidenhead [MAI]
1
pass
1555½
ML
Twyford [TWY]
1
1
pass
1559
ML
Kennet Bridge Jn
pass
1602
DML
Reading [RDG]
9
1604
1610
1603½
1610
ML
Reading High Level Jn
pass
1611
ML
Goring & Streatley [GOR]
1
pass
1616
ML
Didcot Parkway [DID]
1
pass
1621
Wantage Road
pass
1625
Challow
pass
1627
Uffington (Oxfordshire)
1
pass
1628
Swindon [SWI]
4
1635
1638
1635
1638
Wootton Bassett Jn
pass
1642½
Hullavington
1
pass
1649
Westerleigh Jn
1
pass
1656½
Bristol Parkway [BPW]
2
1700
1701
1700½
1702
Patchway [PWY]
2
pass
1703½
Pilning [PIL]
1
2
pass
1706
Severn Tunnel East
1
pass
1708
Severn Tunnel West
3
pass
1712½
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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