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1B27 1748 London Paddington to Carmarthen
Departing on 8th January 2026

operated by
Great Western Railway
10 coaches
London Paddington - Swansea
800008
800036
5 coaches
Swansea - Carmarthen
800036
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
1748¾
3
Royal Oak Junction
pass
1749
pass
1750¼
+1
3
2
Portobello Jn (London)
pass
1750½
pass
1751¾
+1
Ladbroke Grove
pass
1751
pass
1752¼
+1
2
DM
Old Oak Common East
pass
1751½
pass
1753¼
+1
Old Oak Common West
pass
1752
pass
1753¾
+1
Friars Jn
pass
1752½
pass
1754
+1
Acton Main Line [AML]
pass
1753
pass
1754¾
+1
Acton West
pass
1753½
pass
1755¼
+1
ML
ML
Ealing Broadway [EAL]
1
pass
1754
pass
1755½
+1
West Ealing [WEA]
pass
1754½
pass
1756
+1
West Ealing Junction
pass
1754½
pass
1756
+1
Hanwell [HAN]
pass
1754½
pass
1756½
+1
Southall East Jn
pass
1755½
pass
1757¼
+2
Southall [STL]
1
pass
1755½
pass
1757¾
+2
Southall West Jn
pass
1756
pass
1757¾
+2
Hayes & Harlington [HAY]
1
pass
1756½
pass
1758½
+2
Heathrow Airport Jn
pass
1756½
pass
1758¼
+1
ML
Stockley Junction
pass
1757
pass
1758¾
+1
West Drayton East
pass
1757½
pass
1759¼
+2
West Drayton [WDT]
1
pass
1757½
pass
1759¾
+2
West Drayton Jcn
pass
1757½
pass
1759¾
+2
Iver [IVR]
1
pass
1758
pass
1800¼
+2
Langley [LNY]
1
pass
1759
pass
1801¼
+2
Dolphin Jn
pass
1759½
pass
1801¾
+2
Slough [SLO]
2
pass
1800
pass
1802½
+2
ML
Slough West
pass
1800½
pass
1803
+2
Burnham [BNM]
pass
1801½
pass
1804
+2
Taplow [TAP]
1
pass
1802
pass
1804¾
+2
Maidenhead East
pass
1802½
pass
1805½
+2
Maidenhead [MAI]
1
pass
1803
pass
1806
+3
Ruscombe
pass
1806
pass
1808¼
+2
Twyford [TWY]
1
1
pass
1806½
pass
1809
+2
ML
Twyford West
pass
1807
pass
1809¼
+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
1813
1814¾
+1
DM
DM
Reading Main Line West
pass
1813½
pass
1815½
+1
Reading High Level Jn
pass
1814
pass
1816¼
+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
1831½
+3
Challow
pass
1830
pass
1834¼
+4
Uffington (Oxfordshire)
1
pass
1831
pass
1835½
+4
Bourton
pass
1834½
pass
1838¼
+3
Swindon South Marston Jn
pass
1836
pass
1839½
+3
Swindon Stratton Green
pass
1836½
pass
1840¼
+3
Highworth Jn
pass
1837
pass
1840¼
+3
Swindon East Loop
pass
1837
pass
1841½
+4
Swindon [SWI]
4
1837
1840
1838
1840
1842¼
1844½
+4
DM
DM
Rushey Platt
pass
1841½
pass
1846
+4
Wootton Bassett Jn
pass
1844½
pass
1849¼
+4
DM
DB
Little Somerford
pass
1848½
pass
1853¼
+4
Hullavington
1
pass
1851
pass
1855¾
+4
Badminton
pass
1854½
pass
1858
+3
Chipping Sodbury
pass
1857
pass
1901
+4
Westerleigh Jn
1
pass
1858½
pass
1902½
+4
Bristol Parkway [BPW]
Pathed as Class 80x on electric from here
2
1902
1904
1902½
1904
1906½
1908¼
+4
DB
DT
Patchway [PWY]
2
pass
1905½
pass
1910
+4
Pilning [PIL]
2
pass
1908
pass
1912¾
+4
Severn Tunnel East
pass
1909
pass
1913¾
+4
Severn Tunnel West
pass
1912½
pass
1917
+4
Severn Tunnel Junction [STJ]
1
3
pass
1913½
pass
1918½
+5
DT
DM
Magor
pass
1915½
pass
1920
+4
Llanwern West Jn
pass
1919½
pass
1923¾
+4
East Usk Jn.
pass
1920
pass
1924¼
+4
Maindee East Jn
pass
1921
pass
1925¼
+4
ML
Maindee West Jn
pass
1921½
pass
1926
+4
Newport (South Wales) [NWP]
2
1923
1924
1922½
1924½
1927¼
1928¼
+3
DM
DM
Gaer Jn
pass
1926
pass
1930
+4
DM
Ebbw Jn
pass
1927
pass
1930¾
+3
DM
DM
Marshfield
pass
1929½
pass
1933½
+4
Rumney River Bridge Jn
pass
1932½
pass
1935¾
+3
Pengam Jn
pass
1932½
pass
1936¼
+3
Moorland Road Junction
1
pass
1933
pass
1936¾
+3
RL
Long Dyke Jn
pass
1934½
pass
1937¾
+3
D
Cardiff East
pass
1936
pass
1938¾
+2
DM
E
Cardiff Central [CDF]
Pathed as Class 80x on diesel from here
4
1937
1939
1937
1939
1940¼
1951½
+12
E
D
Cardiff West
pass
1940
No report
Leckwith North Jn
pass
1942
pass
1954½
+12
D
DM
St Fagans L C
pass
1944
pass
1956¾
+12
Miskin
pass
1948
pass
2000¾
+12
Pontyclun [PYC]
1
pass
1950
pass
2002¾
+12
Llantrisant [LTI]
pass
1950½
No report
Llanharan [LLR]
2
pass
1952
pass
2004¾
+13
Pencoed [PCD]
1
pass
1954
pass
2007½
+13
Tremains
pass
1956½
pass
2009¾
+13
Bridgend [BGN]
1½
1
1958
1959
1957½
1959
2011½
2014¼
+15
DM
DM
Stormy
pass
2005
pass
2019
+14
Pyle [PYL]
1
pass
2006
pass
2020
+14
Margam Moors Jn.
pass
2007½
pass
2021¼
+13
DM
Margam East Jn
pass
2008½
pass
2022½
+14
Margam Middle Jn
pass
2009
pass
2022¾
+13
Port Talbot East
pass
2010
No report
Port Talbot Parkway [PTA]
1
2011
2012
2011
2012½
2024¾
2026
+13
Baglan [BAJ]
1
pass
2014½
pass
2028¾
+14
Briton Ferry East
pass
2015½
pass
2029
+13
Briton Ferry [BNF]
1
pass
2016½
pass
2030¼
+14
Court Sart Jn
pass
2016½
pass
2030
+13
Neath [NTH]
1
1
2019
2020
2018½
2020
2031¾
2033¼
+13
Skewen [SKE]
1
pass
2023
pass
2036
+12
Llansamlet [LAS]
1
pass
2025½
pass
2037¾
+12
Landore Junction
pass
2028½
pass
2040½
+12
DM
DSM
Swansea Loop East
3
pass
2029½
pass
2041¾
+12
Swansea [SWA]
Pathed as Class 80x on diesel from here
Service divides here, reverses here
3
2034
2048
2034
2048
2045
2055½
+7
DSM
USM
Swansea Loop East
pass
2049½
pass
2057¼
+7
USM
DSL
Swansea Loop West
pass
2052
pass
2059¼
+7
DSL
DM
Cockett West
pass
2055½
pass
2103¼
+7
Gowerton [GWN]
1
pass
2058
pass
2104½
+6
Duffryn West
pass
2101
pass
2107¼
+6
Llandeilo Jn
pass
2101½
pass
2107¾
+6
Llanelli [LLE]
1
2104
2105
2104
2105½
2110
2111
+5
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
2138
+1
DD
Carmarthen [CMN]
1
2139
2139
2140
+1
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