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1B27 1631 London Paddington to Carmarthen
Departing on 2nd January 2026

operated by
Great Western Railway
GBTT
WTT
Route
Location
Pl
Arr
Dep
Arr
Dep
Path
Line
London Paddington [PAD]
3
1631
1631
2
Royal Oak Junction
pass
1632
2
Portobello Jn (London)
pass
1633½
2
Ladbroke Grove
pass
1634
2
ML
Acton West
pass
1636½
ML
ML
Southall [STL]
1
pass
1638½
ML
Heathrow Airport Jn
pass
1639½
ML
Stockley Junction
1½
pass
1640½
ML
RL
Slough [SLO]
4
pass
1647½
RL
Slough West
pass
1648½
ML
Maidenhead [MAI]
1
pass
1653
ML
Twyford [TWY]
1
1
pass
1656½
ML
Kennet Bridge Jn
pass
1659½
DML
Reading [RDG]
7
1701
1703
1701
1703
WL
Oxford Road Jn
pass
1704½
Southcote Jn
pass
1705½
Theale [THE]
1 2½
pass
1708½
Newbury [NBY]
5½
Pathed as Class 80x on diesel from here
pass
1719
Bedwyn [BDW]
2½
1
pass
1733½
Pewsey [PEW]
1
pass
1742½
Woodborough
½
pass
1746
Lavington
1
pass
1751
Heywood Road Jn
3
pass
1756½
Hawkeridge Jn
pass
1802½
Bradford Jn
1
pass
1809½
Bathampton Jn
pass
1821½
Bath Spa [BTH]
1
1
1826
1827
1825½
1827½
North Somerset Jn
pass
1837
DM
Bristol East Jn
pass
1837½
Bristol Temple Meads [BRI]
Service reverses here
13
1839
1847
1839
1847
DF
Bristol East Jn
pass
1848
UF
Dr Day's Jn
1
pass
1849
ML
Horfield Junction
½
pass
1853
Filton Abbey Wood [FIT]
2
pass
1855
DF
Bristol Parkway [BPW]
Pathed as Class 80x on electric from here
Service reverses here
2
1857
1905
1857½
1905½
Patchway [PWY]
2
pass
1907
Pilning [PIL]
2
pass
1909½
Severn Tunnel East
pass
1910½
Severn Tunnel West
pass
1914
Severn Tunnel Junction [STJ]
3
pass
1915
ML
Llanwern West Jn
pass
1920
Maindee East Jn
pass
1921½
ML
Maindee West Jn
pass
1922
Newport (South Wales) [NWP]
2
1923
1924
1923
1924½
DM
Gaer Jn
pass
1926
ML
Ebbw Jn
pass
1927
Marshfield
pass
1929½
Moorland Road Junction
1
pass
1933
RL
Long Dyke Jn
pass
1934½
E
Cardiff Central [CDF]
Pathed as Class 80x on diesel from here
3
1937
1939
1937
1939
D
Leckwith North Jn
pass
1942
Pontyclun [PYC]
pass
1950
Bridgend [BGN]
1½
1
1958
1959
1957½
1959
Stormy
pass
2005
Margam Moors Jn.
pass
2007½
Margam East Jn
pass
2008½
Port Talbot Parkway [PTA]
1
2011
2012
2011
2012½
Court Sart Jn
pass
2016½
Neath [NTH]
1
2019
2020
2018½
2020
Swansea Loop East
3
pass
2029½
Swansea [SWA]
Pathed as Class 80x on diesel from here
Service divides here, reverses here
3
2034
2048
2034
2048
Swansea Loop East
pass
2049½
Swansea Loop West
pass
2052
Gowerton [GWN]
pass
2058
Llandeilo Jn
pass
2101½
Llanelli [LLE]
DPL
2104
2105
2104
2105½
Pembrey & Burry Port [PBY]
2111
2112
2111
2112½
Kidwelly [KWL]
2
2119
2120
2118½
2120
Bertwyn Level Crossing
pass
2122½
Ferryside [FYS]
1
2126
2127
2125½
2127
Carmarthen Jn [XCI]
pass
2137
Carmarthen [CMN]
1
2139
2139
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