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1B27 1748 London Paddington to Carmarthen
Departing on 18th December 2025

operated by
Great Western Railway
10 coaches
London Paddington - Bristol Parkway
800018
800006
10 coaches
Bristol Parkway - Swansea
800006
800018
5 coaches
Swansea - Carmarthen
800019
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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
1748
4
Royal Oak Junction
pass
1749
pass
1749½
4
4
Portobello Jn (London)
pass
1750½
pass
1751½
+1
4
3
Ladbroke Grove
pass
1751
pass
1752
+1
3
DM
Old Oak Common East
pass
1751½
pass
1753
+1
Old Oak Common West
pass
1752
pass
1753½
+1
Friars Jn
pass
1752½
pass
1753½
+1
Acton Main Line [AML]
pass
1753
pass
1754¼
+1
Acton West
pass
1753½
pass
1754¾
+1
ML
ML
Ealing Broadway [EAL]
1
pass
1754
pass
1755
+1
West Ealing [WEA]
pass
1754½
pass
1756¼
+2
West Ealing Junction
pass
1754½
pass
1756¼
+2
Hanwell [HAN]
pass
1754½
pass
1757
+2
Southall East Jn
pass
1755½
pass
1758
+2
Southall [STL]
1
pass
1755½
pass
1758¾
+3
Southall West Jn
pass
1756
pass
1758¾
+2
Hayes & Harlington [HAY]
1
pass
1756½
pass
1759½
+3
Heathrow Airport Jn
pass
1756½
pass
1759¼
+2
ML
Stockley Junction
pass
1757
pass
1759¾
+2
West Drayton East
pass
1757½
pass
1800¼
+3
West Drayton [WDT]
1
pass
1757½
pass
1800¾
+3
West Drayton Jcn
pass
1757½
pass
1800¾
+3
Iver [IVR]
1
pass
1758
pass
1801¼
+3
Langley [LNY]
1
pass
1759
pass
1802¼
+3
Dolphin Jn
pass
1759½
pass
1802½
+3
Slough [SLO]
2
pass
1800
pass
1803
+3
ML
Slough West
pass
1800½
pass
1803½
+3
Burnham [BNM]
pass
1801½
pass
1804¼
+2
Taplow [TAP]
1
pass
1802
pass
1805
+2
Maidenhead East
pass
1802½
pass
1805¾
+3
Maidenhead [MAI]
1
pass
1803
pass
1806¼
+3
Ruscombe
pass
1806
pass
1808¼
+2
Twyford [TWY]
1
1
pass
1806½
pass
1809
+2
ML
Twyford West
pass
1807
pass
1809½
+2
Kennet Bridge Jn
pass
1809½
pass
1812
+2
Reading Main Line East
pass
1810
pass
1813
+2
Reading [RDG]
9
1811
1813
1811
1813
1814
1816½
+3
DM
DM
Reading Main Line West
pass
1813½
pass
1817¼
+3
Reading High Level Jn
pass
1814
pass
1818¼
+4
ML
Tilehurst East Jn.
pass
1815
pass
1819¼
+4
Tilehurst [TLH]
1
pass
1815
pass
1819¼
+4
Pangbourne [PAN]
pass
1817
pass
1820½
+3
Goring & Streatley [GOR]
1
1
pass
1819
pass
1822½
+3
ML
Cholsey [CHO]
1
pass
1821
pass
1824
+2
Moreton Cutting
pass
1823
pass
1825¼
+2
Didcot East Jn
pass
1824
pass
1826
+2
Didcot Parkway [DID]
1
pass
1824
pass
1826½
+2
Didcot West End
pass
1824
No report
Foxhall Jn [XJF]
pass
1824½
pass
1826¾
+2
Milton Junction
pass
1825
pass
1827
+1
Steventon
pass
1826
pass
1827¾
+2
Wantage Road
pass
1828
pass
1830¼
+2
Challow
pass
1830
pass
1832½
+2
Uffington (Oxfordshire)
1
pass
1831
pass
1833½
+2
Bourton
pass
1834½
pass
1836¼
+1
Swindon South Marston Jn
pass
1836
pass
1837½
+1
Swindon Stratton Green
pass
1836½
pass
1838½
+2
Highworth Jn
pass
1837
pass
1839¼
+2
Swindon East Loop
pass
1837
pass
1840½
+3
Swindon [SWI]
4
1837
1840
1838
1840
1841¾
1843¼
+3
DM
DM
Wootton Bassett Jn
pass
1844½
pass
1847½
+3
DM
Little Somerford
pass
1848½
No report
Hullavington
1
pass
1851
No report
Badminton
pass
1854½
No report
Chipping Sodbury
pass
1857
No report
Westerleigh Jn
1
pass
1858½
No report
Bristol Parkway [BPW]
Pathed as Class 80x on electric from here
3
1902
1904
1902½
1904
1928¾
1936¾
+32
UF
DT
Patchway [PWY]
2
pass
1905½
pass
1941¼
+35
Pilning [PIL]
2
pass
1908
pass
1944¾
+36
Severn Tunnel East
pass
1909
pass
1946
+37
Severn Tunnel West
pass
1912½
pass
1949¾
+37
Severn Tunnel Junction [STJ]
1
3
pass
1913½
pass
1951½
+38
DT
DM
Magor
pass
1915½
pass
1953
+37
Llanwern West Jn
pass
1919½
pass
1956¾
+37
East Usk Jn.
pass
1920
pass
1957¼
+37
Maindee East Jn
pass
1921
pass
1958¼
+37
ML
Maindee West Jn
pass
1921½
pass
1959¼
+37
DM
DR
Newport (South Wales) [NWP]
1
1923
1924
1922½
1924½
2000½
2002½
+38
DR
DR
Gaer Jn
pass
1926
pass
2004
+38
DR
DM
Ebbw Jn
pass
1927
pass
2005
+38
DM
DM
Marshfield
pass
1929½
pass
2009
+39
Rumney River Bridge Jn
pass
1932½
pass
2012¼
+40
Pengam Jn
pass
1932½
pass
2012¾
+40
Moorland Road Junction
1
pass
1933
pass
2013¾
+40
DM
DR
Long Dyke Jn
pass
1934½
pass
2015
+40
D
Cardiff East
pass
1936
pass
2016¼
+40
DR
E
Cardiff Central [CDF]
Pathed as Class 80x on diesel from here
3
1937
1939
1937
1939
2017¾
2019¾
+40
E
D
Cardiff West
pass
1940
No report
Leckwith North Jn
pass
1942
pass
2022¾
+40
D
DM
St Fagans L C
pass
1944
pass
2025
+41
Miskin
pass
1948
pass
2029
+40
Pontyclun [PYC]
1
pass
1950
pass
2031
+41
Llantrisant [LTI]
pass
1950½
No report
Llanharan [LLR]
2
pass
1952
pass
2033
+41
Pencoed [PCD]
1
pass
1954
pass
2035
+41
Tremains
pass
1956½
pass
2037
+40
Bridgend [BGN]
1½
1
1958
1959
1957½
1959
2038½
2039¾
+40
DM
DM
Stormy
pass
2005
pass
2045
+40
Pyle [PYL]
1
pass
2006
pass
2047¼
+41
Margam Moors Jn.
pass
2007½
pass
2050
+42
DM
Margam East Jn
pass
2008½
pass
2051½
+43
Margam Middle Jn
pass
2009
pass
2051½
+42
Port Talbot East
pass
2010
No report
Port Talbot Parkway [PTA]
1
2011
2012
2011
2012½
2053½
2054¾
+42
Baglan [BAJ]
1
pass
2014½
pass
2057¾
+43
Briton Ferry East
pass
2015½
pass
2058
+42
Briton Ferry [BNF]
1
pass
2016½
pass
2059½
+43
Court Sart Jn
pass
2016½
pass
2059¼
+42
Neath [NTH]
1
1
2019
2020
2018½
2020
2102
2103½
+43
Skewen [SKE]
1
pass
2023
pass
2108
+45
Llansamlet [LAS]
1
pass
2025½
pass
2111¼
+46
Landore Junction
pass
2028½
pass
2114½
+46
DM
DSM
Swansea Loop East
3
pass
2029½
pass
2115¾
+46
Swansea [SWA]
Pathed as Class 80x on diesel from here
Service divides here, reverses here
2
2034
2048
2034
2048
2117¾
2129¾
+41
DSM
USM
Swansea Loop East
pass
2049½
pass
2131¼
+41
USM
DSL
Swansea Loop West
pass
2052
pass
2133¼
+41
DSL
DM
Cockett West
pass
2055½
pass
2137½
+41
Gowerton [GWN]
1
pass
2058
pass
2139
+41
Duffryn West
pass
2101
pass
2141¾
+40
Llandeilo Jn
pass
2101½
pass
2142¼
+40
Llanelli [LLE]
1
2104
2105
2104
2105½
2144½
2146
+40
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
2221
+44
DD
Carmarthen [CMN]
2
2139
2139
2223
+44
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