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1L34 1820 Carmarthen to London Paddington
Departing on 1st January 2026

operated by
Great Western Railway
GBTT
WTT
Route
Location
Pl
Arr
Dep
Arr
Dep
Path
Line
Carmarthen [CMN]
1
1820
1820
Carmarthen Jn [XCI]
pass
1822
Ferryside [FYS]
pass
1830½
Bertwyn Level Crossing
pass
1833
Kidwelly [KWL]
1
pass
1834½
Pembrey & Burry Port [PBY]
1839
1840
1839½
1841
Llanelli [LLE]
UPL
1847
1849
1847
1849
Llandeilo Jn
pass
1851½
Duffryn West
pass
1852
Cockett West
1 2
pass
1857
Swansea Loop West
1½
pass
1903
Swansea Loop East
pass
1906½
Swansea [SWA]
Pathed as Class 80x on diesel from here
joins with 1B21 from London Paddington
Service reverses here, gains coaches here
3
1909
1919
1909
1919
Swansea Loop East
pass
1920½
Neath [NTH]
1930
1931
1929½
1931
Briton Ferry West Jn
pass
1933½
Port Talbot Parkway [PTA]
½
2
1937
1938
1937
1938½
Margam East Jn
pass
1942
Margam Moors Jn.
pass
1943
Stormy
pass
1946
Bridgend [BGN]
2
1950
1953
1950
1953
Pencoed [PCD]
pass
1957
Pontyclun [PYC]
1 1
pass
2001
Leckwith North Jn
pass
2011
C
Cardiff Central [CDF]
Pathed as Class 80x on electric from here
1
2014
2019
2014½
2019
B
Long Dyke Jn
pass
2021
ML
Marshfield
pass
2025
Ebbw Jn
pass
2027½
Gaer Jn
pass
2028
UM
Newport (South Wales) [NWP]
4
2030
2032
2030
2032
ML
Maindee West Jn
pass
2033
Maindee East Jn
pass
2033½
ML
Llanwern West Jn
pass
2035½
Severn Tunnel Junction [STJ]
4
pass
2040½
Severn Tunnel West
pass
2041½
Severn Tunnel East
pass
2045
Pilning [PIL]
1
1
pass
2046
Patchway [PWY]
1
pass
2049½
Bristol Parkway [BPW]
3
2051
2055
2051
2055
Westerleigh Jn
pass
2058½
Hullavington
pass
2105
Wootton Bassett Jn
1
pass
2111½
Swindon [SWI]
1
2117
2119
2117
2119
Uffington (Oxfordshire)
½
pass
2125½
Challow
pass
2127½
Wantage Road
1
pass
2129
Didcot Parkway [DID]
2
pass
2133½
ML
Goring & Streatley [GOR]
1
pass
2137½
ML
Reading High Level Jn
pass
2143
ML
Reading [RDG]
11
2144
2147
2144½
2147
UML
Kennet Bridge Jn
pass
2148
ML
Twyford West
pass
2151
RL
Twyford [TWY]
4
pass
2152
RL
Maidenhead [MAI]
3½
4
pass
2155½
RL
Slough [SLO]
1 4½
5
pass
2203
RL
Stockley Junction
pass
2213½
RL
ML
Heathrow Airport Jn
pass
2214½
ML
Southall [STL]
2
pass
2216½
ML
Acton West
1
pass
2218
ML
ML
Ladbroke Grove
pass
2221½
ML
3
Portobello Jn (London)
pass
2222
3
Royal Oak Junction
pass
2223
3
London Paddington [PAD]
5
2224
2224
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