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1B27 1746 London Paddington to Carmarthen
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
1746
1746
2
Royal Oak Junction
pass
1747
2
Portobello Jn (London)
pass
1748
2
Ladbroke Grove
pass
1749
2
ML
Acton West
pass
1751½
ML
ML
Southall [STL]
1
1
pass
1753½
ML
Heathrow Airport Jn
pass
1755½
ML
Slough [SLO]
2
pass
1759
ML
Maidenhead [MAI]
1
pass
1802
ML
Twyford [TWY]
1
1
pass
1805½
ML
Kennet Bridge Jn
pass
1808½
DML
Reading [RDG]
9
1810
1813
1810
1813
ML
Reading High Level Jn
pass
1814
ML
Goring & Streatley [GOR]
1
pass
1819
ML
Didcot Parkway [DID]
1
pass
1824
Wantage Road
pass
1828
Challow
pass
1830
Uffington (Oxfordshire)
1
pass
1831
Swindon [SWI]
4
1837
1840
1838
1840
Wootton Bassett Jn
pass
1844½
Hullavington
1
pass
1851
Westerleigh Jn
1
pass
1858½
Bristol Parkway [BPW]
Pathed as Class 80x on electric from here
2
1902
1904
1902½
1904
Patchway [PWY]
2
pass
1905½
Pilning [PIL]
2
pass
1908
Severn Tunnel East
pass
1909
Severn Tunnel West
pass
1912½
Severn Tunnel Junction [STJ]
1
3
pass
1913½
ML
Llanwern West Jn
pass
1919½
Maindee East Jn
pass
1921
ML
Maindee West Jn
pass
1921½
Newport (South Wales) [NWP]
Pathed as Class 80x on diesel from here
2
1923
1924
1922½
1924½
DM
Gaer Jn
pass
1926
ML
Ebbw Jn
4
pass
1927
Marshfield
1 3
pass
1933½
Long Dyke Jn
pass
1941½
E
Cardiff Central [CDF]
4
1944
1946
1944
1947
Cardiff Radyr Branch Jn
pass
1949
Penarth Curve North Jn
pass
1950
Ninian Park [NNP]
1
pass
1951
Leckwith North Jn
pass
1952
Pontyclun [PYC]
pass
2000½
Bridgend [BGN]
1
2008
2009
2008
2009½
Stormy
pass
2014
Margam Moors Jn.
pass
2016½
Margam East Jn
pass
2017½
Port Talbot Parkway [PTA]
1
2020
2021
2020
2021½
Court Sart Jn
pass
2025½
Neath [NTH]
1
2027
2028
2027½
2029
Swansea Loop East
pass
2038½
Swansea [SWA]
Pathed as Class 80x on diesel from here
Service divides here, reverses here
3
2040
2048
2040
2048
Swansea Loop East
pass
2049½
Swansea Loop West
pass
2051½
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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