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1L34 1818 Carmarthen to London Paddington
Departing on 12th December 2025

operated by
Great Western Railway
5 coaches
Carmarthen - Swansea
800031
10 coaches
Swansea - London Paddington
800031
800015
GBTT
WTT
RTTRealtime
Route
Location
Pl
Arr
Dep
Arr
Dep
Arr
Dep
Dly
Path
Line
Carmarthen [CMN]
Pathed as Class 80x on diesel at 125mph
2
1818
1818
1818
U2
Carmarthen Jn [XCI]
pass
1820
pass
1820
UU
Ferryside [FYS]
pass
1828½
No report
Kidwelly [KWL]
pass
1832
No report
Kidwelly Junction
pass
1832½
No report
Pembrey & Burry Port [PBY]
1837
1838
1837
1838½
No report
Llanelli [LLE]
2
1845
1846
1844½
1846½
1843
1845¾
Llandeilo Jn
pass
1849
pass
1848
Duffryn West
pass
1849½
pass
1848½
Gowerton [GWN]
2
pass
1853
pass
1851¼
-1
Cockett West
1
pass
1854½
pass
1853
-1
Swansea Loop West
6
pass
1858½
pass
1857
-1
UM
USL
Swansea Loop East
pass
1906½
pass
1902¼
-4
USL
USM
Swansea [SWA]
Pathed as Class 80x on diesel from here
Service reverses here, gains coaches here
2
1909
1919
1909
1919
1904¾
1918¾
USM
USM
Swansea Loop East
pass
1920½
pass
1920½
Landore Junction
pass
1921½
pass
1921¾
USM
UM
Llansamlet [LAS]
2
pass
1924½
pass
1924¾
Skewen [SKE]
2
pass
1926½
pass
1927
Neath [NTH]
2
1930
1931
1929½
1931
1929¼
1931
Briton Ferry West Jn
pass
1933½
pass
1933¾
Port Talbot Parkway [PTA]
½
2
1937
1938
1937
1938½
1937½
1938½
Port Talbot East
pass
1940
No report
Margam Middle Jn
pass
1941
pass
1939¾
-1
Margam East Jn
pass
1942
pass
1941¼
Margam Moors Jn.
pass
1943
pass
1942¾
UM
Pyle [PYL]
2
pass
1944½
pass
1944¼
Stormy
pass
1946
pass
1946¼
At platform
Bridgend [BGN]
2
1950
1953
1950
1953
1950
1952¾
UM
UM
Tremains
pass
1954
pass
1955
Pencoed Up Passenger Loop
pass
1956½
No report
Pencoed [PCD]
2
pass
1957
pass
1957¼
Llanharan [LLR]
1
pass
1959
pass
1959
Llantrisant [LTI]
pass
2000½
No report
Pontyclun [PYC]
1 1
2
pass
2001
pass
2001¼
Miskin
pass
2003
pass
2003
St Fagans L C
pass
2008
pass
2007
-1
Leckwith North Jn
pass
2011
pass
2009½
-1
UM
C
Cardiff West
pass
2013½
No report
Cardiff Central [CDF]
Pathed as Class 80x on electric from here
1
2014
2018
2014½
2018½
2015½
2018
C
B
Cardiff East
pass
2019
pass
2019¼
Long Dyke Jn
pass
2020½
pass
2020¼
B
UM
Moorland Road Junction
pass
2021
pass
2021¼
Pengam Jn
pass
2021½
pass
2021½
Rumney River Bridge Jn
pass
2021½
pass
2021¾
Marshfield
pass
2024½
pass
2024¼
Ebbw Jn
pass
2027
pass
2027
UM
UM
Gaer Jn
pass
2028
pass
2027¼
UM
Newport (South Wales) [NWP]
3
2030
2032
2029½
2032
2029½
2035½
+3
UM
UM
Maindee West Jn
pass
2033
pass
2037¼
+4
Maindee East Jn
pass
2033½
pass
2037¾
+4
East Usk Jn.
pass
2034
pass
2038½
+4
Llanwern West Jn
pass
2035
pass
2039½
+4
Magor
pass
2039
pass
2042¼
+3
Severn Tunnel Junction [STJ]
4
pass
2040½
pass
2045
+4
UM
UT
Severn Tunnel West
pass
2041½
pass
2045¾
+4
Severn Tunnel East
pass
2045
pass
2049½
+4
Pilning [PIL]
1
1
pass
2046
pass
2050½
+4
Patchway [PWY]
1
pass
2049½
pass
2054¾
+5
Bristol Parkway [BPW]
4
2051
2055
2051
2055
2058¼
2100
+5
UT
UB
Westerleigh Jn
pass
2058½
pass
2105
+6
Chipping Sodbury
pass
2100
pass
2106½
+6
Badminton
pass
2102
pass
2108¾
+6
Hullavington
pass
2105
pass
2111¼
+6
Little Somerford
pass
2107½
pass
2114¼
+6
Wootton Bassett Jn
1
pass
2111½
pass
2117¼
+5
UB
UM
Swindon [SWI]
1
2117
2119
2117
2119
2122¾
2124¾
+5
UR
UM
Highworth Jn
pass
2120
pass
2127
+7
Swindon Stratton Green
pass
2120½
pass
2127½
+7
Swindon South Marston Jn
pass
2121
pass
2127¾
+7
Bourton
pass
2122
pass
2129½
+7
Uffington (Oxfordshire)
½
pass
2125½
pass
2132¼
+6
Challow
pass
2127½
pass
2133¼
+5
Wantage Road
1
pass
2129
pass
2135¾
+6
Steventon
pass
2131½
pass
2137
+5
Milton Junction
pass
2132
pass
2138
+5
Foxhall Jn [XJF]
pass
2133
pass
2139
+5
Didcot West End
pass
2133½
No report
Didcot Parkway [DID]
2
pass
2133½
pass
2139¾
+6
Didcot East Jn
pass
2133½
pass
2139¾
+6
Moreton Cutting
pass
2134½
pass
2140
+5
Cholsey [CHO]
2
pass
2135½
pass
2141½
+6
Goring & Streatley [GOR]
1
2
pass
2137½
pass
2143½
+6
ML
Pangbourne [PAN]
pass
2139½
pass
2145¼
+5
Tilehurst [TLH]
2
pass
2141½
pass
2146¼
+4
Tilehurst East Jn.
pass
2142
pass
2146½
+4
Reading High Level Jn
pass
2143
pass
2148
+5
ML
Reading Main Line West
pass
2143½
pass
2148½
+5
Reading [RDG]
11
2144
2146
2144½
2146½
2149½
2151
+4
UM
UM
Reading Main Line East
pass
2147
pass
2151¾
+4
Kennet Bridge Jn
pass
2147½
pass
2152½
+5
Twyford West
pass
2150
pass
2154½
+4
Twyford [TWY]
2
pass
2150½
pass
2155¼
+4
ML
Ruscombe
pass
2151
pass
2155¾
+4
Maidenhead [MAI]
2
pass
2154
pass
2158¾
+4
Maidenhead East
pass
2154½
pass
2158¾
+4
Taplow [TAP]
2
pass
2155
pass
2159½
+4
Burnham [BNM]
pass
2155½
pass
2159¾
+4
Slough West
pass
2156½
pass
2201
+4
Slough [SLO]
3
pass
2157
pass
2201½
+4
Dolphin Jn
pass
2157½
pass
2201¾
+4
Langley [LNY]
2
pass
2158
pass
2202½
+4
Iver [IVR]
2
pass
2159
pass
2203¼
+4
West Drayton Jcn
pass
2159½
pass
2203½
+4
West Drayton [WDT]
2
pass
2159½
pass
2204
+4
West Drayton East
pass
2159½
pass
2204
+4
Stockley Junction
pass
2200
pass
2204¼
+4
ML
ML
Heathrow Airport Jn
pass
2200½
pass
2204½
+4
Hayes & Harlington [HAY]
2
pass
2200½
pass
2205
+4
Southall West Jn
pass
2201
pass
2205½
+4
Southall [STL]
2
pass
2201½
pass
2206¾
+5
ML
Southall East Jn
pass
2201½
pass
2207¼
+5
Hanwell [HAN]
1
pass
2202
pass
2208¼
+6
West Ealing Junction
pass
2202½
pass
2208¾
+6
West Ealing [WEA]
pass
2202½
pass
2209
+6
Ealing Broadway [EAL]
2
pass
2202½
pass
2209½
+6
Acton West
1
pass
2203
pass
2209¾
+6
ML
ML
Acton Main Line [AML]
2
pass
2204
pass
2210¼
+6
Friars Jn
pass
2204½
No report
Old Oak Common West
pass
2205
pass
2210¾
+5
Old Oak Common East
pass
2205½
pass
2211¼
+5
Ladbroke Grove
pass
2206½
pass
2212
+5
UM
2
Portobello Jn (London)
pass
2207
pass
2212¾
+5
Royal Oak Junction
pass
2208
pass
2213¾
+5
2
3
London Paddington [PAD]
4
2209
2209
2216
+7
3
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