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1B27 1748 London Paddington to Carmarthen
Departing on 6th January 2026

operated by
Great Western Railway
10 coaches
London Paddington - Swansea
800019
800013
5 coaches
Swansea - Carmarthen
800031
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
1750¼
+2
3
Royal Oak Junction
pass
1749
pass
1751½
+2
3
2
Portobello Jn (London)
pass
1750½
pass
1752¾
+2
Ladbroke Grove
pass
1751
pass
1756
+5
2
DM
Old Oak Common East
pass
1751½
pass
1757¼
+5
Old Oak Common West
pass
1752
pass
1757¾
+5
Friars Jn
pass
1752½
pass
1758
+5
Acton Main Line [AML]
pass
1753
pass
1758½
+5
Acton West
pass
1753½
pass
1759
+5
ML
ML
Ealing Broadway [EAL]
1
pass
1754
pass
1759½
+5
West Ealing [WEA]
pass
1754½
pass
1759¾
+5
West Ealing Junction
pass
1754½
pass
1759¾
+5
Hanwell [HAN]
pass
1754½
pass
1800¼
+5
Southall East Jn
pass
1755½
pass
1801
+5
Southall [STL]
1
pass
1755½
pass
1801½
+6
Southall West Jn
pass
1756
pass
1801½
+5
Hayes & Harlington [HAY]
1
pass
1756½
pass
1802½
+6
Heathrow Airport Jn
pass
1756½
pass
1802¼
+5
ML
Stockley Junction
pass
1757
pass
1802½
+5
West Drayton East
pass
1757½
pass
1803
+5
West Drayton [WDT]
1
pass
1757½
pass
1803½
+6
West Drayton Jcn
pass
1757½
pass
1803½
+6
Iver [IVR]
1
pass
1758
pass
1804
+6
Langley [LNY]
1
pass
1759
pass
1805¼
+6
Dolphin Jn
pass
1759½
pass
1805¾
+6
Slough [SLO]
2
pass
1800
pass
1806¾
+6
ML
Slough West
pass
1800½
pass
1807
+6
Burnham [BNM]
pass
1801½
pass
1808
+6
Taplow [TAP]
1
pass
1802
pass
1808¾
+6
Maidenhead East
pass
1802½
pass
1809¾
+7
Maidenhead [MAI]
1
pass
1803
pass
1810¼
+7
Ruscombe
pass
1806
pass
1812¼
+6
Twyford [TWY]
1
1
pass
1806½
pass
1813
+6
ML
Twyford West
pass
1807
pass
1813½
+6
Kennet Bridge Jn
pass
1809½
pass
1816½
+7
Reading Main Line East
pass
1810
pass
1818½
+8
Reading [RDG]
9
1811
1813
1811
1813
1819¾
1821¾
+8
DM
DM
Reading Main Line West
pass
1813½
pass
1822½
+8
Reading High Level Jn
pass
1814
pass
1823½
+9
ML
Tilehurst East Jn.
pass
1815
pass
1824½
+9
Tilehurst [TLH]
1
pass
1815
pass
1824½
+9
Pangbourne [PAN]
pass
1817
pass
1826
+9
Goring & Streatley [GOR]
1
1
pass
1819
pass
1827¾
+8
ML
Cholsey [CHO]
1
pass
1821
pass
1829½
+8
Moreton Cutting
pass
1823
pass
1830¾
+7
Didcot East Jn
pass
1824
pass
1831½
+7
Didcot Parkway [DID]
1
pass
1824
pass
1833½
+9
Didcot West End
pass
1824
No report
Foxhall Jn [XJF]
pass
1824½
pass
1834
+9
Milton Junction
pass
1825
pass
1834¾
+9
Steventon
pass
1826
pass
1835¾
+10
Wantage Road
pass
1828
pass
1840
+12
Challow
pass
1830
pass
1843
+13
Uffington (Oxfordshire)
1
pass
1831
pass
1844¼
+13
Bourton
pass
1834½
pass
1847
+12
Swindon South Marston Jn
pass
1836
pass
1848¼
+12
Swindon Stratton Green
pass
1836½
pass
1849¾
+13
Highworth Jn
pass
1837
pass
1850¼
+13
Swindon East Loop
pass
1837
pass
1851½
+14
Swindon [SWI]
4
1837
1840
1838
1840
1852¾
1854¼
+14
DM
DM
Rushey Platt
pass
1841½
pass
1857¾
+16
Wootton Bassett Jn
pass
1844½
pass
1901¼
+16
DM
DB
Little Somerford
pass
1848½
pass
1905¼
+17
Hullavington
1
pass
1851
pass
1907¾
+16
Badminton
pass
1854½
pass
1910¼
+16
Chipping Sodbury
pass
1857
pass
1913¼
+16
Westerleigh Jn
1
pass
1858½
pass
1916¾
+18
Bristol Parkway [BPW]
Pathed as Class 80x on electric from here
2
1902
1904
1902½
1904
1925
1928¾
+24
DB
DT
Patchway [PWY]
2
pass
1905½
pass
1930¼
+24
Pilning [PIL]
2
pass
1908
pass
1933¼
+25
Severn Tunnel East
pass
1909
pass
1934¼
+25
Severn Tunnel West
pass
1912½
pass
1937½
+25
Severn Tunnel Junction [STJ]
1
3
pass
1913½
pass
1939
+25
DT
DM
Magor
pass
1915½
pass
1940½
+25
Llanwern West Jn
pass
1919½
pass
1944¼
+24
East Usk Jn.
pass
1920
pass
1945¼
+25
Maindee East Jn
pass
1921
pass
1946¾
+25
ML
Maindee West Jn
pass
1921½
pass
1947½
+26
Newport (South Wales) [NWP]
2
1923
1924
1922½
1924½
1948¾
1950
+25
DM
DM
Gaer Jn
pass
1926
pass
1951½
+25
DM
Ebbw Jn
pass
1927
pass
1952¼
+25
DM
DM
Marshfield
pass
1929½
pass
1955
+25
Rumney River Bridge Jn
pass
1932½
pass
1957½
+25
Pengam Jn
pass
1932½
pass
1958
+25
Moorland Road Junction
1
pass
1933
pass
1958½
+25
DM
DR
Long Dyke Jn
pass
1934½
pass
1959½
+25
D
Cardiff East
pass
1936
pass
2001¾
+25
DR
E
Cardiff Central [CDF]
Pathed as Class 80x on diesel from here
4
1937
1939
1937
1939
2003¾
2007
+28
E
D
Cardiff West
pass
1940
No report
Leckwith North Jn
pass
1942
pass
2010½
+28
D
DM
St Fagans L C
pass
1944
pass
2013¼
+29
Miskin
pass
1948
pass
2017¼
+29
Pontyclun [PYC]
1
pass
1950
pass
2019¼
+29
Llantrisant [LTI]
pass
1950½
No report
Llanharan [LLR]
2
pass
1952
pass
2021½
+29
Pencoed [PCD]
1
pass
1954
pass
2023¾
+29
Tremains
pass
1956½
pass
2026¼
+29
Bridgend [BGN]
1½
1
1958
1959
1957½
1959
2028
2029¼
+30
DM
DM
Stormy
pass
2005
pass
2035½
+30
Pyle [PYL]
1
pass
2006
pass
2039¼
+33
Margam Moors Jn.
pass
2007½
pass
2043
+35
DM
Margam East Jn
pass
2008½
pass
2045
+36
Margam Middle Jn
pass
2009
pass
2045½
+36
Port Talbot East
pass
2010
No report
Port Talbot Parkway [PTA]
1
2011
2012
2011
2012½
2048
2049
+36
Baglan [BAJ]
1
pass
2014½
pass
2052¼
+37
Briton Ferry East
pass
2015½
pass
2052½
+37
Briton Ferry [BNF]
1
pass
2016½
pass
2054
+37
Court Sart Jn
pass
2016½
pass
2054
+37
Neath [NTH]
1
1
2019
2020
2018½
2020
2055¾
2057
+37
Skewen [SKE]
1
pass
2023
pass
2100¾
+37
Llansamlet [LAS]
1
pass
2025½
pass
2103
+37
Landore Junction
pass
2028½
pass
2106
+37
DM
DSM
Swansea Loop East
3
pass
2029½
pass
2107¼
+37
Swansea [SWA]
Pathed as Class 80x on diesel from here
Service divides here, reverses here
2
2034
2048
2034
2048
2110
2118½
+30
DSM
USM
Swansea Loop East
pass
2049½
pass
2120
+30
USM
DSL
Swansea Loop West
pass
2052
pass
2122
+30
DSL
DM
Cockett West
pass
2055½
pass
2126¼
+30
Gowerton [GWN]
1
pass
2058
pass
2128¼
+30
Duffryn West
pass
2101
pass
2131¼
+30
Llandeilo Jn
pass
2101½
pass
2131¾
+30
Llanelli [LLE]
1
2104
2105
2104
2105½
2133¾
2135
+29
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
2205
+28
DD
Carmarthen [CMN]
1
2139
2139
2208
+29
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