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1B79 1845 London Paddington to Swansea
Departing on 4th January 2026

operated by
Great Western Railway
10 coaches
800032
800021
GBTT
WTT
RTTRealtime
Route
Mi.Ch
Location
Pl
Arr
Dep
Arr
Dep
Arr
Dep
Dly
Path
Line
0.00
London Paddington [PAD]
Pathed as Class 80x on electric at 125mph
1
1845
1845
1845½
2
0.41
Royal Oak Junction
pass
1846
pass
1846¾
1.28
Portobello Jn (London)
pass
1847½
pass
1848
1.68
Ladbroke Grove
pass
1848
pass
1848½
2
DM
2.55
Old Oak Common East
pass
1848½
pass
1849½
3.15
Old Oak Common West
pass
1849
pass
1850
+1
3.48
Friars Jn
pass
1849½
pass
1850¼
4.16
Acton Main Line [AML]
pass
1850
pass
1850¾
+1
4.75
Acton West
pass
1850½
pass
1851¼
ML
ML
5.51
Ealing Broadway [EAL]
1
pass
1851
pass
1851½
6.41
West Ealing [WEA]
pass
1851½
pass
1852
6.49
West Ealing Junction
pass
1851½
pass
1852
7.23
Hanwell [HAN]
pass
1851½
pass
1852½
8.57
Southall East Jn
pass
1852½
pass
1853¼
+1
9.01
Southall [STL]
1
pass
1852½
pass
1853¾
+1
9.65
Southall West Jn
pass
1853
pass
1853¾
10.66
Hayes & Harlington [HAY]
1
pass
1853½
pass
1854½
+1
11.09
Heathrow Airport Jn
pass
1853½
pass
1854¼
ML
12.04
Stockley Junction
pass
1854
pass
1854¾
12.62
West Drayton East
pass
1854½
pass
1855¼
+1
13.12
West Drayton [WDT]
1
pass
1854½
pass
1855¾
+1
13.26
West Drayton Jcn
pass
1854½
pass
1855¾
+1
14.55
Iver [IVR]
1
pass
1855
pass
1856¼
+1
16.13
Langley [LNY]
1
pass
1856
pass
1857¼
+1
17.13
Dolphin Jn
pass
1856½
pass
1857¾
+1
18.31
Slough [SLO]
2
pass
1857
pass
1858½
+1
ML
19.06
Slough West
pass
1857½
pass
1859
+1
20.72
Burnham [BNM]
pass
1858½
pass
1900
+1
22.34
Taplow [TAP]
1
pass
1859
pass
1901
+1
23.53
Maidenhead East
pass
1859½
pass
1901¾
+2
24.14
Maidenhead [MAI]
1
pass
1900
pass
1902¼
+2
29.40
Ruscombe
pass
1903
pass
1904½
+1
30.76
Twyford [TWY]
1
1
pass
1903½
pass
1905¼
+1
ML
31.57
Twyford West
pass
1904
pass
1905¾
+1
35.10
Kennet Bridge Jn
pass
1906½
pass
1908
+1
35.56
Reading Main Line East
pass
1907
pass
1908¾
+1
35.75
Reading [RDG]
9
1908
1910
1908
1910
1909¾
1912
+2
DM
DM
36.12
Reading Main Line West
pass
1910½
pass
1912½
+2
36.45
Reading High Level Jn
pass
1911
pass
1913½
+2
ML
38.29
Tilehurst East Jn.
pass
1912
pass
1914¾
+2
38.47
Tilehurst [TLH]
1
pass
1912
pass
1914¾
+2
41.38
Pangbourne [PAN]
pass
1914
pass
1916¼
+2
44.55
Goring & Streatley [GOR]
1
1
pass
1916
pass
1918
+2
ML
48.32
Cholsey [CHO]
1
pass
1918
pass
1919¾
+1
51.32
Moreton Cutting
pass
1920
pass
1921
+1
52.61
Didcot East Jn
pass
1921
pass
1921½
53.05
Didcot Parkway [DID]
1
pass
1921
pass
1922
+1
53.20
Didcot West End
pass
1921
No report
53.50
Foxhall Jn [XJF]
pass
1921½
pass
1922¼
+1
55.14
Milton Junction
pass
1922
pass
1922½
56.27
Steventon
pass
1923
pass
1923½
60.17
Wantage Road
pass
1925
pass
1927
+2
63.75
Challow
pass
1927
pass
1930
+3
66.34
Uffington (Oxfordshire)
1
pass
1928
pass
1931
+3
72.25
Bourton
pass
1931½
pass
1934
+2
74.46
Swindon South Marston Jn
pass
1933
pass
1935
+2
75.58
Swindon Stratton Green
pass
1933½
pass
1935¾
+2
76.27
Highworth Jn
pass
1934
pass
1936
+2
76.59
Swindon East Loop
pass
1934
pass
1937¼
+3
77.18
Swindon [SWI]
4
1934
1937
1935
1937
1938
1940¼
+3
DM
DM
78.31
Rushey Platt
pass
1938½
pass
1941¾
+3
82.67
Wootton Bassett Jn
pass
1941½
pass
1944¾
+3
DM
DB
89.57
Little Somerford
pass
1945½
pass
1949
+3
94.16
Hullavington
1
pass
1948
pass
1951½
+3
99.76
Badminton
pass
1951½
pass
1953¾
+2
104.40
Chipping Sodbury
pass
1954
pass
1956½
+2
107.09
Westerleigh Jn
½
pass
1955½
pass
1958¼
+2
111.57
Bristol Parkway [BPW]
2
1959
2001
1959
2001
2002
2004
+3
DB
DT
112.79
Patchway [PWY]
2
pass
2002½
pass
2005½
+3
116.45
Pilning [PIL]
½
2
pass
2005
pass
2008¼
+3
118.03
Severn Tunnel East
pass
2006½
pass
2009¼
+2
122.31
Severn Tunnel West
pass
2010
pass
2012½
+2
123.41
Severn Tunnel Junction [STJ]
½
3
pass
2011
pass
2014
+3
DT
DM
125.66
Magor
pass
2012½
pass
2015½
+2
130.72
Llanwern West Jn
pass
2016½
pass
2019¼
+2
131.63
East Usk Jn.
pass
2017
pass
2019¾
+2
132.55
Maindee East Jn
pass
2018
pass
2020¾
+2
ML
132.77
Maindee West Jn
pass
2018½
pass
2021½
+3
133.31
Newport (South Wales) [NWP]
3
2020
2021
2019½
2021
2022¾
2024½
+3
DM
DM
134.13
Gaer Jn
pass
2022½
pass
2026
+3
DM
134.68
Ebbw Jn
pass
2023½
pass
2026¾
+3
DM
DM
138.41
Marshfield
1 ½
pass
2026
pass
2029½
+3
142.42
Rumney River Bridge Jn
pass
2030
pass
2031¾
+1
143.01
Pengam Jn
pass
2030½
pass
2032¼
+1
143.46
Moorland Road Junction
pass
2031
pass
2032¾
+1
144.16
Long Dyke Jn
pass
2031½
pass
2033½
+2
D
144.79
Cardiff East
pass
2033
pass
2034½
+1
DM
D
145.11
Cardiff Central [CDF]
Pathed as Class 80x on diesel from here
3
2035
2036
2034
2036
2036¼
2038
+2
D
D
145.37
Cardiff West
pass
2037
No report
146.36
Leckwith North Jn
pass
2039
pass
2040¾
+1
D
DM
149.14
St Fagans L C
pass
2041
pass
2043¼
+2
154.08
Miskin
pass
2045
pass
2047¼
+2
156.21
Pontyclun [PYC]
1
pass
2047
pass
2049
+2
156.57
Llantrisant [LTI]
pass
2047½
No report
158.53
Llanharan [LLR]
2
pass
2049
pass
2051¼
+2
161.41
Pencoed [PCD]
1
pass
2051
pass
2053
+2
164.42
Tremains
pass
2053½
pass
2055
+1
165.26
Bridgend [BGN]
1
2055
2056
2054½
2056
2056¾
2058
+2
DM
DM
169.46
Stormy
pass
2100½
pass
2103
+2
171.21
Pyle [PYL]
1
pass
2101½
pass
2104
+2
173.45
Margam Moors Jn.
pass
2103
pass
2105¼
+2
DM
175.12
Margam East Jn
pass
2104
pass
2106½
+2
176.00
Margam Middle Jn
pass
2104½
pass
2106¾
+2
176.70
Port Talbot East
pass
2105½
No report
177.39
Port Talbot Parkway [PTA]
1
2107
2107
2106½
2108
2108¾
2109½
+1
179.38
Baglan [BAJ]
1
pass
2110
pass
2112¼
+2
180.09
Briton Ferry East
pass
2111
pass
2112½
+1
181.20
Briton Ferry [BNF]
1
pass
2112
pass
2113¾
+2
181.38
Court Sart Jn
pass
2112
pass
2113¾
+1
183.00
Neath [NTH]
1
1
2114
2115
2114
2115½
2115½
2116½
+1
185.06
Skewen [SKE]
1
pass
2118½
pass
2119½
+1
186.68
Llansamlet [LAS]
1
pass
2121
pass
2121½
189.42
Landore Junction
pass
2124
pass
2124¼
DM
DSM
190.23
Swansea Loop East
pass
2125
pass
2125¾
190.67
Swansea [SWA]
3
2127
2127
2129¾
+2
DSM
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