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1B23 1616 London Paddington to Cardiff Central
Departing on 18th April 2026

operated by
Great Western Railway
GBTT
WTT
Route
Location
Pl
Arr
Dep
Arr
Dep
Path
Line
London Paddington [PAD]
1
1616
1616
1
Royal Oak Junction
pass
1617
1
Portobello Jn (London)
pass
1618½
1
Ladbroke Grove
pass
1619
1
ML
Acton West
pass
1621½
ML
ML
Southall [STL]
1
pass
1623½
ML
Heathrow Airport Jn
pass
1624½
ML
Slough [SLO]
2
pass
1628
ML
Maidenhead [MAI]
1
pass
1631
ML
Twyford [TWY]
1
1
pass
1634½
ML
Kennet Bridge Jn
pass
1637½
DML
Reading [RDG]
8
1639
1642
1639
1642
ML
Reading High Level Jn
pass
1643
ML
Goring & Streatley [GOR]
1
pass
1648
ML
Didcot Parkway [DID]
1
1654
1655
1654
1655½
Wantage Road
pass
1700½
Challow
pass
1702½
Uffington (Oxfordshire)
1
pass
1703½
Swindon [SWI]
4
1711
1712
1710½
1712½
Wootton Bassett Jn
pass
1717
Hullavington
1
pass
1723½
Westerleigh Jn
pass
1731
Bristol Parkway [BPW]
2
1734
1737
1734
1737
Patchway [PWY]
2
pass
1738½
Pilning [PIL]
2
pass
1741
Severn Tunnel East
pass
1742
Severn Tunnel West
½
pass
1745½
Severn Tunnel Junction [STJ]
3
pass
1747
ML
Llanwern West Jn
pass
1752
Maindee East Jn
pass
1753½
ML
Maindee West Jn
pass
1754
Newport (South Wales) [NWP]
2
1755
1757
1755
1757
DM
Gaer Jn
pass
1758½
ML
Ebbw Jn
pass
1759½
Marshfield
pass
1802
Moorland Road Junction
1
pass
1805½
RL
Long Dyke Jn
pass
1807
E
Cardiff Central [CDF]
forms 5B23 to Stoke Gifford
3
1810
1810
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