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1B27 1748 London Paddington to Carmarthen
Departing on 7th January 2026

operated by
Great Western Railway
9 coaches
London Paddington - Swansea
800315
5 coaches
Swansea - Carmarthen
800021
GBTT
WTT
RTTRealtime
Route
Location
Pl
Arr
Dep
Arr
Dep
Arr
Dep
Dly
Path
Line
London Paddington [PAD]
Pathed as Class 80x on electric at 125mph
10
1748
1748
1748½
3
Royal Oak Junction
pass
1749
pass
1750¼
+1
3
2
Portobello Jn (London)
pass
1750½
pass
1751½
+1
Ladbroke Grove
pass
1751
pass
1752
+1
2
DM
Old Oak Common East
pass
1751½
pass
1753
+1
Old Oak Common West
pass
1752
pass
1753¾
+1
Friars Jn
pass
1752½
pass
1753¾
+1
Acton Main Line [AML]
pass
1753
pass
1754½
+1
Acton West
pass
1753½
pass
1755
+1
ML
ML
Ealing Broadway [EAL]
1
pass
1754
pass
1755¼
+1
West Ealing [WEA]
pass
1754½
pass
1755¾
+1
West Ealing Junction
pass
1754½
pass
1755¾
+1
Hanwell [HAN]
pass
1754½
pass
1756¼
+1
Southall East Jn
pass
1755½
pass
1757
+1
Southall [STL]
1
pass
1755½
pass
1757½
+2
Southall West Jn
pass
1756
pass
1757½
+1
Hayes & Harlington [HAY]
1
pass
1756½
pass
1758¼
+2
Heathrow Airport Jn
pass
1756½
pass
1758
+1
ML
Stockley Junction
pass
1757
pass
1758½
+1
West Drayton East
pass
1757½
pass
1759
+1
West Drayton [WDT]
1
pass
1757½
pass
1759½
+2
West Drayton Jcn
pass
1757½
pass
1759½
+2
Iver [IVR]
1
pass
1758
pass
1800
+1
Langley [LNY]
1
pass
1759
pass
1801
+2
Dolphin Jn
pass
1759½
pass
1801½
+2
Slough [SLO]
2
pass
1800
pass
1802¼
+2
ML
Slough West
pass
1800½
pass
1802¾
+2
Burnham [BNM]
pass
1801½
pass
1803¾
+2
Taplow [TAP]
1
pass
1802
pass
1804½
+2
Maidenhead East
pass
1802½
pass
1805½
+2
Maidenhead [MAI]
1
pass
1803
pass
1805¾
+2
Ruscombe
pass
1806
pass
1808
+2
Twyford [TWY]
1
1
pass
1806½
pass
1808¾
+2
ML
Twyford West
pass
1807
pass
1809
+2
Kennet Bridge Jn
pass
1809½
pass
1811¼
+1
Reading Main Line East
pass
1810
pass
1811¾
+1
Reading [RDG]
9
1811
1813
1811
1813
1812¾
1814¾
+1
DM
DM
Reading Main Line West
pass
1813½
pass
1815½
+1
Reading High Level Jn
pass
1814
pass
1816½
+2
ML
Tilehurst East Jn.
pass
1815
pass
1817½
+2
Tilehurst [TLH]
1
pass
1815
pass
1817½
+2
Pangbourne [PAN]
pass
1817
pass
1819
+2
Goring & Streatley [GOR]
1
1
pass
1819
pass
1820¾
+1
ML
Cholsey [CHO]
1
pass
1821
pass
1822½
+1
Moreton Cutting
pass
1823
pass
1823¾
Didcot East Jn
pass
1824
pass
1824¼
Didcot Parkway [DID]
1
pass
1824
pass
1824¾
Didcot West End
pass
1824
No report
Foxhall Jn [XJF]
pass
1824½
pass
1825
Milton Junction
pass
1825
pass
1825¼
Steventon
pass
1826
pass
1826¼
Wantage Road
pass
1828
pass
1829¾
+1
Challow
pass
1830
pass
1832¾
+2
Uffington (Oxfordshire)
1
pass
1831
pass
1834
+3
Bourton
pass
1834½
pass
1836¾
+2
Swindon South Marston Jn
pass
1836
pass
1838
+2
Swindon Stratton Green
pass
1836½
pass
1838¾
+2
Highworth Jn
pass
1837
pass
1838¾
+1
Swindon East Loop
pass
1837
pass
1840
+2
Swindon [SWI]
4
1837
1840
1838
1840
1841
1842½
+2
DM
DM
Rushey Platt
pass
1841½
pass
1844¼
+3
Wootton Bassett Jn
pass
1844½
pass
1848
+3
DM
DB
Little Somerford
pass
1848½
pass
1852¼
+3
Hullavington
1
pass
1851
pass
1854½
+3
Badminton
pass
1854½
pass
1857
+2
Chipping Sodbury
pass
1857
pass
1900
+3
Westerleigh Jn
1
pass
1858½
pass
1901¾
+3
Bristol Parkway [BPW]
Pathed as Class 80x on electric from here
2
1902
1904
1902½
1904
1906¾
1908½
+4
DB
DT
Patchway [PWY]
2
pass
1905½
pass
1910½
+5
Pilning [PIL]
2
pass
1908
pass
1913½
+5
Severn Tunnel East
pass
1909
pass
1914½
+5
Severn Tunnel West
pass
1912½
pass
1917¾
+5
Severn Tunnel Junction [STJ]
1
3
pass
1913½
pass
1919¼
+5
DT
DM
Magor
pass
1915½
pass
1921
+5
Llanwern West Jn
pass
1919½
pass
1924¾
+5
East Usk Jn.
pass
1920
pass
1925¼
+5
Maindee East Jn
pass
1921
pass
1926½
+5
ML
Maindee West Jn
pass
1921½
pass
1927½
+6
Newport (South Wales) [NWP]
2
1923
1924
1922½
1924½
1928¾
1930¼
+5
DM
DM
Gaer Jn
pass
1926
pass
1932¼
+6
DM
Ebbw Jn
pass
1927
pass
1933
+6
DM
DM
Marshfield
pass
1929½
pass
1936
+6
Rumney River Bridge Jn
pass
1932½
pass
1938½
+6
Pengam Jn
pass
1932½
pass
1939
+6
Moorland Road Junction
1
pass
1933
pass
1939½
+6
RL
Long Dyke Jn
pass
1934½
pass
1940¾
+6
D
Cardiff East
pass
1936
pass
1942
+5
DM
E
Cardiff Central [CDF]
Pathed as Class 80x on diesel from here
4
1937
1939
1937
1939
1943¾
1946
+7
E
D
Cardiff West
pass
1940
No report
Leckwith North Jn
pass
1942
pass
1949¼
+7
D
DM
St Fagans L C
pass
1944
pass
1951¾
+7
Miskin
pass
1948
pass
1955¾
+7
Pontyclun [PYC]
1
pass
1950
pass
1957¾
+7
Llantrisant [LTI]
pass
1950½
No report
Llanharan [LLR]
2
pass
1952
pass
2000
+8
Pencoed [PCD]
1
pass
1954
pass
2001¾
+7
Tremains
pass
1956½
pass
2004
+7
Bridgend [BGN]
1½
1
1958
1959
1957½
1959
2005¾
2007¼
+8
DM
DM
Stormy
pass
2005
pass
2012
+7
Pyle [PYL]
1
pass
2006
pass
2013
+7
Margam Moors Jn.
pass
2007½
pass
2014¼
+6
DM
Margam East Jn
pass
2008½
pass
2015¾
+7
Margam Middle Jn
pass
2009
pass
2015¾
+6
Port Talbot East
pass
2010
No report
Port Talbot Parkway [PTA]
1
2011
2012
2011
2012½
2018
2019
+6
Baglan [BAJ]
1
pass
2014½
pass
2022
+7
Briton Ferry East
pass
2015½
pass
2022¼
+6
Briton Ferry [BNF]
1
pass
2016½
pass
2023½
+7
Court Sart Jn
pass
2016½
pass
2023½
+7
Neath [NTH]
1
1
2019
2020
2018½
2020
2025½
2026¾
+6
Skewen [SKE]
1
pass
2023
pass
2029½
+6
Llansamlet [LAS]
1
pass
2025½
pass
2031½
+6
Landore Junction
pass
2028½
pass
2034½
+5
DM
DSM
Swansea Loop East
3
pass
2029½
pass
2035¾
+6
Swansea [SWA]
Pathed as Class 80x on diesel from here
Service divides here, reverses here
2
2034
2048
2034
2048
2038
2114½
+26
DSM
USM
Swansea Loop East
pass
2049½
pass
2116
+26
USM
DSL
Swansea Loop West
pass
2052
pass
2118
+26
DSL
DM
Cockett West
pass
2055½
pass
2121¾
+26
Gowerton [GWN]
1
pass
2058
pass
2123½
+25
Duffryn West
pass
2101
pass
2126¼
+25
Llandeilo Jn
pass
2101½
pass
2126¾
+25
Llanelli [LLE]
1
2104
2105
2104
2105½
2129¼
2130
+24
DD
Pembrey & Burry Port [PBY]
2111
2112
2111
2112½
No report
Kidwelly Junction
pass
2117½
No report
Kidwelly [KWL]
2
2119
2120
2118½
2120
No report
Bertwyn Level Crossing
pass
2122½
No report
Ferryside [FYS]
1
2126
2127
2125½
2127
No report
Carmarthen Jn [XCI]
pass
2137
pass
2159
+22
DD
Carmarthen [CMN]
1
2139
2139
2201
+22
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