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1L34 1818 Carmarthen to London Paddington
Departing on 4th December 2025

operated by
Great Western Railway
5 coaches
Carmarthen - Swansea
800015
9 coaches
Swansea - London Paddington
800317
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
1819
-1
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
1844¼
1845¾
Llandeilo Jn
pass
1849
pass
1848¼
Duffryn West
pass
1849½
pass
1848¾
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
1859½
-6
USL
USM
Swansea [SWA]
Pathed as Class 80x on diesel from here
Service reverses here, gains coaches here
2
1909
1919
1909
1919
1901¾
1918¾
USM
USM
Swansea Loop East
pass
1920½
pass
1920½
Landore Junction
pass
1921½
pass
1921¾
USM
UM
Llansamlet [LAS]
2
pass
1924½
pass
1925
Skewen [SKE]
2
pass
1926½
pass
1927
Neath [NTH]
2
1930
1931
1929½
1931
1929½
1931¾
Briton Ferry West Jn
pass
1933½
pass
1934½
+1
Port Talbot Parkway [PTA]
½
2
1937
1938
1937
1938½
1938½
1939½
+1
Port Talbot East
pass
1940
No report
Margam Middle Jn
pass
1941
pass
1941
Margam East Jn
pass
1942
pass
1942½
Margam Moors Jn.
pass
1943
pass
1944
+1
UM
Pyle [PYL]
2
pass
1944½
pass
1945¾
+1
Stormy
pass
1946
pass
1948
+2
At platform
Bridgend [BGN]
2
1950
1953
1950
1953
1953¾
1955¼
+2
UM
UM
Tremains
pass
1954
pass
1957½
+3
Pencoed Up Passenger Loop
pass
1956½
No report
Pencoed [PCD]
2
pass
1957
pass
1959¾
+3
Llanharan [LLR]
1
pass
1959
pass
2006½
+7
Llantrisant [LTI]
pass
2000½
No report
Pontyclun [PYC]
1 1
2
pass
2001
pass
2010½
+9
Miskin
pass
2003
pass
2012½
+9
St Fagans L C
pass
2008
pass
2016¾
+8
Leckwith North Jn
pass
2011
pass
2019
+8
UM
C
Cardiff West
pass
2013½
No report
Cardiff Central [CDF]
Pathed as Class 80x on electric from here
1
2014
2018
2014½
2018½
2022½
2024¼
+5
C
B
Cardiff East
pass
2019
pass
2025½
+6
Long Dyke Jn
pass
2020½
pass
2026½
+6
B
UM
Moorland Road Junction
pass
2021
pass
2027½
+6
Pengam Jn
pass
2021½
pass
2028¼
+7
Rumney River Bridge Jn
pass
2021½
pass
2028½
+7
Marshfield
pass
2024½
pass
2031¼
+6
Ebbw Jn
pass
2027
pass
2035
+8
UM
UM
Gaer Jn
pass
2028
pass
2035¼
+7
UM
Newport (South Wales) [NWP]
4
2030
2032
2029½
2032
2037½
2040½
+8
UM
UM
Maindee West Jn
pass
2033
pass
2042
+9
Maindee East Jn
pass
2033½
pass
2042½
+9
East Usk Jn.
pass
2034
pass
2043¼
+9
Llanwern West Jn
pass
2035
pass
2044¼
+9
Magor
pass
2039
pass
2047¼
+8
Severn Tunnel Junction [STJ]
4
pass
2040½
pass
2049¾
+9
UM
UT
Severn Tunnel West
pass
2041½
pass
2050½
+9
Severn Tunnel East
pass
2045
pass
2054¼
+9
Pilning [PIL]
1
1
pass
2046
pass
2055½
+9
Patchway [PWY]
1
pass
2049½
pass
2059
+9
Bristol Parkway [BPW]
3
2051
2055
2051
2055
2101½
2104
+9
UT
UB
Westerleigh Jn
pass
2058½
pass
2110
+11
Chipping Sodbury
pass
2100
pass
2112
+12
Badminton
pass
2102
pass
2114¼
+12
Hullavington
pass
2105
pass
2116¾
+11
Little Somerford
pass
2107½
pass
2119¾
+12
Wootton Bassett Jn
1
pass
2111½
pass
2123¾
+12
UB
UM
Swindon [SWI]
1
2117
2119
2117
2119
2133½
2136
+17
UR
UM
Highworth Jn
pass
2120
pass
2137¾
+17
Swindon Stratton Green
pass
2120½
pass
2138¼
+18
Swindon South Marston Jn
pass
2121
pass
2138¾
+17
Bourton
pass
2122
pass
2140
+17
Uffington (Oxfordshire)
½
pass
2125½
pass
2143
+17
Challow
pass
2127½
pass
2144
+16
Wantage Road
1
pass
2129
pass
2147¼
+18
Steventon
pass
2131½
pass
2151¼
+20
Milton Junction
pass
2132
pass
2152¼
+20
Foxhall Jn [XJF]
pass
2133
pass
2153¼
+20
Didcot West End
pass
2133½
No report
Didcot Parkway [DID]
2
pass
2133½
pass
2154¼
+20
Didcot East Jn
pass
2133½
pass
2154¼
+20
Moreton Cutting
pass
2134½
pass
2154¾
+20
Cholsey [CHO]
2
pass
2135½
pass
2156¼
+20
Goring & Streatley [GOR]
1
2
pass
2137½
pass
2158
+20
ML
Pangbourne [PAN]
pass
2139½
pass
2159¾
+20
Tilehurst [TLH]
2
pass
2141½
pass
2201
+19
Tilehurst East Jn.
pass
2142
pass
2201¼
+19
Reading High Level Jn
pass
2143
pass
2203
+20
ML
Reading Main Line West
pass
2143½
pass
2204¼
+20
Reading [RDG]
11
2144
2146
2144½
2146½
2205¼
2207
+20
UM
UM
Reading Main Line East
pass
2147
pass
2207¾
+20
Kennet Bridge Jn
pass
2147½
pass
2208½
+21
Twyford West
pass
2150
pass
2210½
+20
Twyford [TWY]
2
pass
2150½
pass
2211¼
+20
ML
Ruscombe
pass
2151
pass
2211½
+20
Maidenhead [MAI]
2
pass
2154
pass
2214½
+20
Maidenhead East
pass
2154½
pass
2214½
+20
Taplow [TAP]
2
pass
2155
pass
2215¼
+20
Burnham [BNM]
pass
2155½
pass
2215½
+20
Slough West
pass
2156½
pass
2216¾
+20
Slough [SLO]
3
pass
2157
pass
2217½
+20
Dolphin Jn
pass
2157½
pass
2217¾
+20
Langley [LNY]
2
pass
2158
pass
2218¼
+20
Iver [IVR]
2
pass
2159
pass
2219
+20
West Drayton Jcn
pass
2159½
pass
2219½
+20
West Drayton [WDT]
2
pass
2159½
pass
2220
+20
West Drayton East
pass
2159½
pass
2219¾
+20
Stockley Junction
pass
2200
pass
2220
+20
ML
ML
Heathrow Airport Jn
pass
2200½
pass
2220½
+20
Hayes & Harlington [HAY]
2
pass
2200½
pass
2220¾
+20
Southall West Jn
pass
2201
pass
2221¼
+20
Southall [STL]
2
pass
2201½
pass
2221
+19
ML
Southall East Jn
pass
2201½
pass
2221¼
+19
Hanwell [HAN]
1
pass
2202
pass
2222¼
+20
West Ealing Junction
pass
2202½
pass
2222¾
+20
West Ealing [WEA]
pass
2202½
pass
2223
+20
Ealing Broadway [EAL]
2
pass
2202½
pass
2223½
+20
Acton West
1
pass
2203
pass
2223¾
+20
ML
ML
Acton Main Line [AML]
2
pass
2204
pass
2224¼
+20
Friars Jn
pass
2204½
No report
Old Oak Common West
pass
2205
pass
2224¾
+19
Old Oak Common East
pass
2205½
pass
2225¼
+19
Ladbroke Grove
pass
2206½
pass
2226¼
+19
UM
3
Portobello Jn (London)
pass
2207
pass
2226¾
+19
Royal Oak Junction
pass
2208
pass
2228
+20
London Paddington [PAD]
4
2209
2209
2230
+21
3
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