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1B30 1846 London Paddington to Swansea
Departing on 29th December 2025

operated by
Great Western Railway
GBTT
WTT
Route
Location
Pl
Arr
Dep
Arr
Dep
Path
Line
London Paddington [PAD]
5
1846
1846
2
Royal Oak Junction
pass
1847
2
Portobello Jn (London)
pass
1848
2
Ladbroke Grove
pass
1849
2
ML
Acton West
pass
1851½
ML
ML
Southall [STL]
1
1
pass
1853½
ML
Heathrow Airport Jn
pass
1855½
ML
Slough [SLO]
2
pass
1859
ML
Maidenhead [MAI]
1
pass
1902
ML
Twyford [TWY]
1
1
pass
1905½
ML
Kennet Bridge Jn
pass
1908½
DML
Reading [RDG]
9
1910
1913
1910
1913
ML
Reading High Level Jn
pass
1914
ML
Goring & Streatley [GOR]
1
pass
1919
ML
Didcot Parkway [DID]
1½
1
pass
1924
Wantage Road
pass
1929½
Challow
pass
1931½
Uffington (Oxfordshire)
1
pass
1932½
Swindon [SWI]
4
1939
1941
1939½
1941½
Wootton Bassett Jn
pass
1946
Hullavington
1
pass
1952½
Westerleigh Jn
pass
2000
Bristol Parkway [BPW]
2
2002
2005
2003
2005
Patchway [PWY]
2
pass
2006½
Pilning [PIL]
2
pass
2009
Severn Tunnel East
pass
2010
Severn Tunnel West
1
pass
2013½
Severn Tunnel Junction [STJ]
3
pass
2015½
ML
Llanwern West Jn
1½
pass
2020½
Maindee East Jn
pass
2023½
ML
Maindee West Jn
pass
2024
Newport (South Wales) [NWP]
Pathed as Class 80x on diesel from here
2
2025
2026
2025
2026½
DM
Gaer Jn
pass
2028
ML
Ebbw Jn
4
pass
2029
Marshfield
1
pass
2035½
Long Dyke Jn
pass
2040½
E
Cardiff Central [CDF]
4
2043
2046
2043
2046
Cardiff Radyr Branch Jn
pass
2048
Penarth Curve North Jn
2
pass
2049
Ninian Park [NNP]
1
pass
2052
Leckwith North Jn
pass
2053
Pontyclun [PYC]
pass
2101½
Bridgend [BGN]
1
2109
2110
2109
2110½
Stormy
pass
2115
Margam Moors Jn.
pass
2117½
Margam East Jn
pass
2118½
Port Talbot Parkway [PTA]
1
2121
2122
2121
2122½
Court Sart Jn
pass
2126½
Neath [NTH]
1
2129
2130
2128½
2130
Swansea Loop East
pass
2139½
Swansea [SWA]
3
2141
2141
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