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1B25 1718 London Paddington to Swansea
Departing on 24th December 2025

operated by
Great Western Railway
GBTT
WTT
Route
Location
Pl
Arr
Dep
Arr
Dep
Path
Line
London Paddington [PAD]
forms from 1D29 from Oxford and forms from 1L23 from Cardiff Central
8
1718
1718
3
Royal Oak Junction
pass
1719
2
Portobello Jn (London)
pass
1720½
2
Ladbroke Grove
pass
1721
2
ML
Acton West
pass
1723½
ML
ML
Southall [STL]
1
pass
1725½
ML
Heathrow Airport Jn
pass
1726½
ML
Slough [SLO]
2
pass
1730
ML
Maidenhead [MAI]
1
pass
1733
ML
Twyford [TWY]
1
1
pass
1736½
ML
Kennet Bridge Jn
pass
1739½
DML
Reading [RDG]
9
1741
1743
1741
1743
ML
Reading High Level Jn
pass
1744
ML
Goring & Streatley [GOR]
1
pass
1749
ML
Didcot Parkway [DID]
1
1755
1756
1755
1756½
Wantage Road
pass
1801½
Challow
pass
1803½
Uffington (Oxfordshire)
1
pass
1804½
Swindon [SWI]
4
1812
1813
1811½
1813½
Wootton Bassett Jn
pass
1818
Hullavington
1
pass
1824½
Westerleigh Jn
pass
1832
Bristol Parkway [BPW]
1
2
1834
1837
1835
1837
Patchway [PWY]
2
pass
1839½
Pilning [PIL]
2
pass
1842
Severn Tunnel East
pass
1843
Severn Tunnel West
pass
1846½
Severn Tunnel Junction [STJ]
3
pass
1847½
ML
Llanwern West Jn
pass
1852½
Maindee East Jn
1
pass
1854
ML
Maindee West Jn
pass
1855½
Newport (South Wales) [NWP]
2
1857
1858
1856½
1858½
DM
Gaer Jn
pass
1900
ML
Ebbw Jn
pass
1901
Marshfield
1
pass
1903½
Long Dyke Jn
pass
1908½
E
Cardiff Central [CDF]
Pathed as Class 80x on diesel from here
3
1910
1918
1911
1918
D
Leckwith North Jn
pass
1921
Pontyclun [PYC]
7
pass
1929
Bridgend [BGN]
1
1944
1945
1943½
1945
Stormy
pass
1949½
Margam Moors Jn.
pass
1952
Margam East Jn
pass
1953
Port Talbot Parkway [PTA]
1
1956
1957
1955½
1957
Court Sart Jn
pass
2001
Neath [NTH]
1
2003
2004
2003
2004½
Swansea Loop East
pass
2014
Swansea [SWA]
3
2016
2016
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