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1L30 1723 Swansea to London Paddington
Departing on 17th January 2026

operated by
Great Western Railway
GBTT
WTT
Route
Location
Pl
Arr
Dep
Arr
Dep
Path
Line
Swansea [SWA]
3
1723
1723
Swansea Loop East
pass
1724½
Neath [NTH]
1734
1735
1733½
1735
Briton Ferry West Jn
pass
1737½
Port Talbot Parkway [PTA]
2
1741
1742
1741
1742½
Margam East Jn
pass
1745½
Margam Moors Jn.
pass
1746½
Stormy
pass
1749½
Bridgend [BGN]
2
1754
1755
1753½
1755½
Pencoed [PCD]
pass
1759½
Pontyclun [PYC]
1
pass
1803½
Leckwith North Jn
pass
1812½
C
Cardiff Central [CDF]
Pathed as Class 80x on electric from here
1
1816
1819
1816
1819
B
Long Dyke Jn
pass
1821
ML
Marshfield
pass
1825
Ebbw Jn
pass
1827½
Gaer Jn
pass
1828
UM
Newport (South Wales) [NWP]
3
1830
1832
1830
1832
ML
Maindee West Jn
pass
1833
Maindee East Jn
pass
1833½
ML
Llanwern West Jn
pass
1835½
Severn Tunnel Junction [STJ]
4
pass
1840½
Severn Tunnel West
pass
1841½
Severn Tunnel East
pass
1845
Pilning [PIL]
1
1
pass
1846
Patchway [PWY]
2½
1
pass
1849½
Bristol Parkway [BPW]
Pathed as Class 80x on diesel from here
Service reverses here
1
1853
1913
1853½
1913
Filton Abbey Wood [FIT]
1
pass
1915½
ML
Horfield Junction
1
pass
1916
Dr Day's Jn
pass
1919½
DF
Bristol East Jn
pass
1920½
Bristol Temple Meads [BRI]
Service reverses here
13
1922
1930
1922
1930
UM
Bristol East Jn
pass
1931
North Somerset Jn
pass
1932
Bath Spa [BTH]
2
1941
1943
1941
1943
Bathampton Jn
pass
1946½
Bathampton Sig Bl1990
pass
1950½
Bradford-on-Avon [BOA]
pass
1954½
Bradford Jn
1
pass
1957
Hawkeridge Jn
pass
2004
Heywood Road Jn
pass
2007
Lavington
pass
2012½
Woodborough
3½
pass
2018½
Bedwyn [BDW]
2
pass
2030
Hungerford [HGD]
1
pass
2034
Newbury [NBY]
Pathed as Class 80x on electric from here
pass
2040
Theale [THE]
1
pass
2046
Southcote Jn
1
pass
2050
Oxford Road Jn
pass
2052
UFM
Reading [RDG]
11
2055
2102
2054½
2102
UML
Kennet Bridge Jn
pass
2103
ML
Twyford [TWY]
2
pass
2106
ML
Maidenhead [MAI]
2
pass
2109½
ML
Slough [SLO]
1
3
pass
2112½
ML
Stockley Junction
pass
2116½
ML
ML
Heathrow Airport Jn
pass
2117
ML
Southall [STL]
2
pass
2118
ML
Acton West
1
pass
2119½
ML
ML
Ladbroke Grove
pass
2123
ML
3
Portobello Jn (London)
pass
2123½
3
Royal Oak Junction
pass
2124½
3
London Paddington [PAD]
8
2126
2126
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