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1L32 1823 Swansea to London Paddington
Departing on 15th December 2025

operated by
Great Western Railway
10 coaches
Swansea - Cardiff Central
800031
800019
5 coaches
Cardiff Central - London Paddington
800025
GBTT
WTT
RTTRealtime
Route
Location
Pl
Arr
Dep
Arr
Dep
Arr
Dep
Dly
Path
Line
Swansea [SWA]
Pathed as Class 80x on diesel at 125mph
3
1823
1823
1822½
USM
Swansea Loop East
pass
1824½
pass
1824¼
Landore Junction
pass
1825½
pass
1825½
USM
UM
Llansamlet [LAS]
2
pass
1828½
pass
1828¾
Skewen [SKE]
2
pass
1830½
pass
1830¾
Neath [NTH]
2
1834
1835
1833½
1835
1833½
1835
Briton Ferry West Jn
pass
1837½
pass
1838
Port Talbot Parkway [PTA]
2
1841
1842
1841
1842½
1841¾
1843¼
Port Talbot East
pass
1843½
No report
Margam Middle Jn
pass
1844½
pass
1844½
Margam East Jn
pass
1845½
pass
1846
Margam Moors Jn.
pass
1846½
pass
1847½
+1
UM
Pyle [PYL]
2
pass
1848
pass
1849
Stormy
pass
1849½
pass
1851¼
+1
At platform
Bridgend [BGN]
2
1854
1855
1853½
1855
1855½
1857
+2
UM
UM
Tremains
pass
1856
pass
1859½
+3
Pencoed Up Passenger Loop
pass
1858½
No report
Pencoed [PCD]
2
pass
1859
pass
1901¾
+2
Llanharan [LLR]
1
pass
1901
pass
1905¾
+4
Llantrisant [LTI]
pass
1902½
No report
Pontyclun [PYC]
1
2
pass
1903
pass
1910
+7
Miskin
pass
1905
pass
1912
+7
St Fagans L C
pass
1909½
pass
1916¼
+6
Leckwith North Jn
½
pass
1912
pass
1919
+7
UM
C
Cardiff West
pass
1914½
No report
Cardiff Central [CDF]
Pathed as Class 80x on electric from here
3
1915
1918
1916
1918
1924¼
2022½
+64
C
D
Cardiff East
pass
1918½
pass
2023¾
+65
D
UR
Long Dyke Jn
pass
1920
pass
2025
+65
ML
Moorland Road Junction
pass
1920½
pass
2025¾
+65
Pengam Jn
pass
1921
pass
2027
+66
Rumney River Bridge Jn
pass
1921
pass
2027¼
+66
Marshfield
pass
1924
pass
2031¾
+67
Ebbw Jn
pass
1926½
pass
2035¾
+69
UR
UM
Gaer Jn
pass
1927
pass
2036¾
+69
UM
Newport (South Wales) [NWP]
3
1929
1931
1929
1931
2039¼
2040½
+69
UM
UM
Maindee West Jn
pass
1932
pass
2042
+70
Maindee East Jn
pass
1932½
pass
2042¾
+70
ML
East Usk Jn.
pass
1933½
pass
2043¾
+70
Llanwern West Jn
pass
1934½
pass
2045
+70
Magor
pass
1938
pass
2048
+70
Severn Tunnel Junction [STJ]
4
pass
1939½
pass
2051
+71
UM
UT
Severn Tunnel West
pass
1940½
pass
2051¾
+71
Severn Tunnel East
pass
1944
pass
2055½
+71
Pilning [PIL]
1
1
pass
1945
pass
2056½
+71
Patchway [PWY]
1½
1
pass
1948½
pass
2059½
+71
Bristol Parkway [BPW]
3
1953
1955
1952½
1955
2101½
2109½
+74
UT
UB
Westerleigh Jn
pass
1959
pass
2113½
+74
Chipping Sodbury
pass
2000½
pass
2115¼
+74
Badminton
pass
2002½
pass
2117½
+74
Hullavington
pass
2005½
pass
2120
+74
Little Somerford
pass
2008
pass
2123
+74
Wootton Bassett Jn
1 ½
pass
2012
pass
2126¼
+74
UB
UM
Swindon [SWI]
1
2018
2020
2018
2020
pass
2131¾
+71
UM
UM
Highworth Jn
pass
2021
pass
2132
+71
Swindon Stratton Green
pass
2021½
pass
2132½
+71
Swindon South Marston Jn
pass
2022
pass
2132¾
+70
Bourton
pass
2023
pass
2134
+70
Uffington (Oxfordshire)
pass
2026½
pass
2137
+70
Challow
pass
2028
pass
2138
+70
Wantage Road
1
pass
2029½
pass
2140½
+71
Steventon
pass
2032
pass
2142
+70
Milton Junction
pass
2032½
pass
2143
+70
Foxhall Jn [XJF]
pass
2033½
pass
2144
+70
Didcot West End
pass
2034
No report
Didcot Parkway [DID]
2
pass
2034
pass
2144¾
+70
Didcot East Jn
pass
2034
pass
2144¾
+70
Moreton Cutting
pass
2035
pass
2145
+70
Cholsey [CHO]
2
pass
2036
pass
2146½
+70
Goring & Streatley [GOR]
1
2
pass
2038
pass
2148½
+70
ML
Pangbourne [PAN]
pass
2040
pass
2150¼
+70
Tilehurst [TLH]
2
pass
2042
pass
2151½
+69
Tilehurst East Jn.
pass
2042½
pass
2151¾
+69
Reading High Level Jn
pass
2043½
pass
2153¼
+69
ML
Reading Main Line West
pass
2044
pass
2153½
+69
Reading [RDG]
10
2044
2047
2045
2047½
pass
2153¾
+66
UM
UM
Reading Main Line East
pass
2048
pass
2153¾
+65
Kennet Bridge Jn
pass
2048½
pass
2154
+65
Twyford West
pass
2051
pass
2155¾
+64
Twyford [TWY]
2
pass
2051½
pass
2156½
+65
ML
Ruscombe
pass
2052
pass
2156¾
+64
Maidenhead [MAI]
2
pass
2055
pass
2200
+65
Maidenhead East
pass
2055½
pass
2200
+64
Taplow [TAP]
2
pass
2056
pass
2200¾
+64
Burnham [BNM]
pass
2056½
pass
2201
+64
Slough West
pass
2057½
pass
2202¼
+64
Slough [SLO]
3
pass
2058
pass
2202¾
+64
Dolphin Jn
pass
2058½
pass
2203
+64
Langley [LNY]
2
pass
2059
pass
2203¾
+64
Iver [IVR]
2
pass
2100
pass
2204½
+64
West Drayton Jcn
pass
2100½
pass
2204¾
+64
West Drayton [WDT]
2
pass
2100½
pass
2205¼
+64
West Drayton East
pass
2100½
pass
2205¼
+64
Stockley Junction
pass
2101
pass
2205½
+64
ML
ML
Heathrow Airport Jn
pass
2101½
pass
2206
+64
Hayes & Harlington [HAY]
2
pass
2101½
pass
2206¼
+64
Southall West Jn
pass
2102
pass
2206¾
+64
Southall [STL]
2
pass
2102½
pass
2206¾
+64
ML
Southall East Jn
pass
2102½
pass
2207
+64
Hanwell [HAN]
1
pass
2103
pass
2208
+65
West Ealing Junction
pass
2103½
pass
2208½
+65
West Ealing [WEA]
pass
2103½
pass
2208¾
+65
Ealing Broadway [EAL]
2
pass
2103½
pass
2209½
+65
Acton West
1
pass
2104
pass
2209¾
+65
ML
ML
Acton Main Line [AML]
2
pass
2105
pass
2210½
+65
Friars Jn
pass
2105½
No report
Old Oak Common West
pass
2106
pass
2211¼
+65
Old Oak Common East
pass
2106½
pass
2212
+65
Ladbroke Grove
pass
2107½
pass
2213
+65
UM
3
Portobello Jn (London)
pass
2108
pass
2213½
+65
Royal Oak Junction
pass
2109
pass
2215
+66
London Paddington [PAD]
10
2110
2110
2218¾
+68
3
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