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1L34 1820 Carmarthen to London Paddington
Departing on 2nd 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]
1½
2
1937
1938
1937
1938½
Margam East Jn
pass
1943
Margam Moors Jn.
pass
1944
Stormy
pass
1947
Bridgend [BGN]
2
1951
1954
1951
1954
Pencoed [PCD]
pass
1958
Pontyclun [PYC]
1
pass
2002
Leckwith North Jn
pass
2011
C
Cardiff Central [CDF]
Pathed as Class 80x on electric from here
1
2014
2018
2014½
2018½
B
Long Dyke Jn
pass
2020½
ML
Marshfield
pass
2024½
Ebbw Jn
½
pass
2027
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]
Pathed as Class 80x on diesel from here
Service reverses here
4
2051
2059
2051
2059
Filton Abbey Wood [FIT]
1
pass
2101½
ML
Horfield Junction
1
pass
2102
Dr Day's Jn
pass
2105½
DF
Bristol East Jn
pass
2106½
UM
Bristol Temple Meads [BRI]
Service reverses here
13
2108
2129
2108
2129
Bristol East Jn
1
pass
2130
North Somerset Jn
1½
pass
2132
Bath Spa [BTH]
1
2
2143
2144
2142½
2144½
Bathampton Jn
pass
2149
Bathampton Sig Bl1990
½
pass
2153
Bradford-on-Avon [BOA]
1
pass
2157½
Bradford Jn
pass
2201
Hawkeridge Jn
pass
2207
Heywood Road Jn
pass
2210
Lavington
pass
2215
Woodborough
pass
2221
Bedwyn [BDW]
2
2
pass
2229
Hungerford [HGD]
1 5
pass
2235
Newbury [NBY]
Pathed as Class 80x on electric from here
pass
2246
Theale [THE]
1
pass
2252
Southcote Jn
pass
2256
Oxford Road Jn
pass
2257
UFM
Reading [RDG]
11
2259
2306
2259½
2306½
UML
Kennet Bridge Jn
pass
2307½
ML
Twyford [TWY]
2
pass
2310½
ML
Maidenhead [MAI]
1
2
pass
2314
ML
Slough West
pass
2317½
RL
Slough [SLO]
1 ½
5
pass
2318
RL
Stockley Junction
pass
2324½
RL
ML
Heathrow Airport Jn
pass
2325½
ML
Southall [STL]
1
2
pass
2327½
ML
Acton West
1
pass
2330
ML
ML
Ladbroke Grove
pass
2333½
ML
3
Portobello Jn (London)
pass
2334
3
Royal Oak Junction
pass
2335
3
London Paddington [PAD]
2
2336
2336
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