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1L26 1523 Swansea to London Paddington
Departing on 18th April 2026

operated by
Great Western Railway
GBTT
WTT
Route
Location
Pl
Arr
Dep
Arr
Dep
Path
Line
Swansea [SWA]
3
1523
1523
Swansea Loop East
pass
1524½
Neath [NTH]
1534
1535
1533½
1535
Briton Ferry West Jn
pass
1537½
Port Talbot Parkway [PTA]
2
1541
1543
1541
1543
Margam East Jn
pass
1546
Margam Moors Jn.
pass
1547
Stormy
pass
1550
Bridgend [BGN]
2
1554
1556
1554
1556
Pencoed [PCD]
pass
1600
Pontyclun [PYC]
1
pass
1604
Leckwith North Jn
pass
1613
C
Cardiff Central [CDF]
Pathed as Class 80x on electric from here
2
1617
1623
1616½
1623
B
Long Dyke Jn
pass
1625
ML
Marshfield
pass
1629
Ebbw Jn
pass
1631½
Gaer Jn
pass
1632
UM
Newport (South Wales) [NWP]
3
1634
1636
1634
1636
ML
Maindee West Jn
pass
1637
Maindee East Jn
pass
1637½
ML
Llanwern West Jn
pass
1639½
Severn Tunnel Junction [STJ]
4
pass
1644½
Severn Tunnel West
pass
1645½
Severn Tunnel East
pass
1649
Pilning [PIL]
1
1
pass
1650
Patchway [PWY]
1
pass
1653½
Bristol Parkway [BPW]
3
1655
1658
1655
1658½
Westerleigh Jn
pass
1702
Hullavington
pass
1708½
Wootton Bassett Jn
1 ½
pass
1715
Swindon [SWI]
1
1721
1723
1721
1723
Uffington (Oxfordshire)
pass
1729½
Challow
pass
1731
Wantage Road
1
pass
1732½
Didcot Parkway [DID]
2
pass
1737
ML
Goring & Streatley [GOR]
1
pass
1741
ML
Reading High Level Jn
pass
1746½
ML
Reading [RDG]
10
1748
1750
1748
1750
UML
Kennet Bridge Jn
pass
1751
ML
Twyford [TWY]
2
pass
1754
ML
Maidenhead [MAI]
2
pass
1757½
ML
Slough [SLO]
3
pass
1800½
ML
Stockley Junction
pass
1803½
ML
ML
Heathrow Airport Jn
pass
1804
ML
Southall [STL]
2
pass
1805
ML
Acton West
1
pass
1806½
ML
ML
Ladbroke Grove
pass
1810
ML
3
Portobello Jn (London)
pass
1810½
3
Royal Oak Junction
pass
1811½
3
London Paddington [PAD]
8
1813
1813
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