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1B31 1918 London Paddington to Swansea
Departing on 15th December 2025

operated by
Great Western Railway
9 coaches
800309
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
11
1918
1918
1932
+14
D3
0.41
Royal Oak Junction
pass
1919
pass
1933½
+14
3
2
1.28
Portobello Jn (London)
pass
1920
pass
1935
+15
1.68
Ladbroke Grove
pass
1921
pass
1935½
+14
2
DM
2.55
Old Oak Common East
pass
1921½
pass
1936½
+14
3.15
Old Oak Common West
pass
1922
pass
1937
+15
3.48
Friars Jn
pass
1922½
pass
1937¼
+14
4.16
Acton Main Line [AML]
pass
1923
pass
1937¾
+15
4.75
Acton West
pass
1923½
pass
1938¼
+14
ML
ML
5.51
Ealing Broadway [EAL]
1
pass
1924
pass
1938¾
+14
6.41
West Ealing [WEA]
pass
1924½
pass
1939
+14
6.49
West Ealing Junction
pass
1924½
pass
1939
+14
7.23
Hanwell [HAN]
pass
1924½
pass
1939½
+14
8.57
Southall East Jn
pass
1925½
pass
1940¼
+14
9.01
Southall [STL]
1
pass
1925½
pass
1940¾
+15
9.65
Southall West Jn
pass
1926
pass
1940¾
+14
10.66
Hayes & Harlington [HAY]
1
pass
1926½
pass
1941½
+15
11.09
Heathrow Airport Jn
pass
1926½
pass
1941¼
+14
ML
12.04
Stockley Junction
pass
1927
pass
1941¾
+14
12.62
West Drayton East
pass
1927½
pass
1942¼
+14
13.12
West Drayton [WDT]
1
pass
1927½
pass
1942½
+15
13.26
West Drayton Jcn
pass
1927½
pass
1942¾
+15
14.55
Iver [IVR]
1
pass
1928
pass
1943¼
+15
16.13
Langley [LNY]
1
pass
1929
pass
1944¼
+15
17.13
Dolphin Jn
pass
1929½
pass
1944½
+15
18.31
Slough [SLO]
2
pass
1930
pass
1945
+15
ML
19.06
Slough West
pass
1930½
pass
1945¼
+15
20.72
Burnham [BNM]
pass
1931½
pass
1946
+14
22.34
Taplow [TAP]
1
pass
1932
pass
1946¾
+14
23.53
Maidenhead East
pass
1932½
pass
1947¾
+15
24.14
Maidenhead [MAI]
1
pass
1933
pass
1948
+15
29.40
Ruscombe
pass
1936
pass
1950¼
+14
30.76
Twyford [TWY]
1
1
pass
1936½
pass
1951
+14
ML
31.57
Twyford West
pass
1937
pass
1951½
+14
35.10
Kennet Bridge Jn
1
pass
1939½
pass
1954¾
+15
35.56
Reading Main Line East
pass
1940½
pass
1957½
+17
35.75
Reading [RDG]
9
pass
1941
pass
1958¼
+17
DM
DM
36.12
Reading Main Line West
pass
1941½
pass
1958½
+17
36.45
Reading High Level Jn
pass
1942
pass
1959¼
+17
ML
38.29
Tilehurst East Jn.
pass
1943
pass
2000¾
+17
38.47
Tilehurst [TLH]
1
pass
1943
pass
2001
+17
41.38
Pangbourne [PAN]
pass
1945
pass
2003½
+18
44.55
Goring & Streatley [GOR]
1
1
pass
1947
pass
2005¾
+18
ML
48.32
Cholsey [CHO]
1
pass
1949
pass
2007½
+18
51.32
Moreton Cutting
pass
1951
pass
2008¾
+17
52.61
Didcot East Jn
pass
1952
pass
2009¾
+18
53.05
Didcot Parkway [DID]
1
pass
1952
pass
2011¼
+19
53.20
Didcot West End
pass
1952
No report
53.50
Foxhall Jn [XJF]
pass
1952½
pass
2011¾
+19
55.14
Milton Junction
pass
1953
pass
2013¼
+20
56.27
Steventon
pass
1954
pass
2014½
+20
60.17
Wantage Road
pass
1956
pass
2017¼
+21
63.75
Challow
pass
1958
pass
2019½
+21
66.34
Uffington (Oxfordshire)
1
pass
1959
pass
2020½
+21
72.25
Bourton
pass
2002½
pass
2023¼
+20
74.46
Swindon South Marston Jn
pass
2004
pass
2024¾
+20
75.58
Swindon Stratton Green
pass
2004½
pass
2025¾
+21
76.27
Highworth Jn
pass
2005
pass
2026¼
+21
76.59
Swindon East Loop
pass
2005
pass
2027¼
+22
77.18
Swindon [SWI]
½
4
pass
2005½
pass
2028
+22
DM
DM
82.67
Wootton Bassett Jn
pass
2010
pass
2032¼
+22
DM
DB
89.57
Little Somerford
pass
2014
pass
2036½
+22
94.16
Hullavington
1
pass
2016½
pass
2039
+22
99.76
Badminton
pass
2020
pass
2041½
+21
104.40
Chipping Sodbury
pass
2022½
pass
2044½
+22
107.09
Westerleigh Jn
pass
2024
pass
2046¼
+22
111.57
Bristol Parkway [BPW]
2
2027
2029
2027
2029
2050¾
2052¾
+23
DB
DT
112.79
Patchway [PWY]
2
pass
2030½
pass
2054½
+24
116.45
Pilning [PIL]
2
pass
2033
pass
2057¼
+24
118.03
Severn Tunnel East
pass
2034
pass
2058¼
+24
122.31
Severn Tunnel West
1½
pass
2037½
pass
2101¾
+24
123.41
Severn Tunnel Junction [STJ]
3
pass
2040
pass
2103
+23
DT
DM
125.66
Magor
pass
2041½
pass
2104½
+23
130.72
Llanwern West Jn
pass
2045
pass
2108¼
+23
131.63
East Usk Jn.
pass
2045½
pass
2108¾
+23
132.55
Maindee East Jn
pass
2046½
pass
2109¾
+23
ML
132.77
Maindee West Jn
pass
2047
pass
2110½
+23
133.31
Newport (South Wales) [NWP]
2
2048
2050
2048
2050
2111¾
2113¾
+23
DM
DM
134.13
Gaer Jn
pass
2051½
pass
2115¼
+23
DM
134.68
Ebbw Jn
pass
2052½
pass
2116¼
+23
DM
DM
138.41
Marshfield
1
pass
2055
pass
2119
+24
142.42
Rumney River Bridge Jn
pass
2058½
pass
2121¼
+22
143.01
Pengam Jn
pass
2059
pass
2121¾
+22
143.46
Moorland Road Junction
pass
2059½
pass
2122¼
+22
144.16
Long Dyke Jn
pass
2100
pass
2123
+23
E
144.79
Cardiff East
pass
2101½
pass
2124¼
+22
DM
E
145.11
Cardiff Central [CDF]
Pathed as Class 80x on diesel from here
4
2102
2104
2102½
2104½
2127
2129¼
+24
E
D
145.37
Cardiff West
pass
2105½
No report
146.36
Leckwith North Jn
pass
2107½
pass
2132¼
+24
D
DM
149.14
St Fagans L C
pass
2109½
pass
2134½
+24
154.08
Miskin
pass
2113½
pass
2138½
+24
156.21
Pontyclun [PYC]
1
pass
2115½
pass
2140½
+25
156.57
Llantrisant [LTI]
pass
2116
No report
158.53
Llanharan [LLR]
2
pass
2117½
pass
2142½
+25
161.41
Pencoed [PCD]
1
pass
2119½
pass
2144¾
+25
164.42
Tremains
pass
2122
pass
2147½
+25
165.26
Bridgend [BGN]
1
2123
2124
2123
2124½
2159¾
2201
+36
DM
DM
169.46
Stormy
pass
2129
pass
2205¾
+36
171.21
Pyle [PYL]
1
pass
2130
pass
2206¾
+36
173.45
Margam Moors Jn.
pass
2131½
pass
2208
+36
DM
175.12
Margam East Jn
3½
pass
2132½
pass
2209¼
+36
176.00
Margam Middle Jn
pass
2134½
pass
2209½
+35
176.70
Port Talbot East
pass
2136½
No report
177.39
Port Talbot Parkway [PTA]
3½
1
2139
2140
2138½
2140
2211½
2212
+32
179.38
Baglan [BAJ]
1
pass
2143½
pass
2214¾
+31
180.09
Briton Ferry East
pass
2144½
pass
2215
+30
181.20
Briton Ferry [BNF]
1
pass
2146½
pass
2216¼
+30
181.38
Court Sart Jn
pass
2146½
pass
2216
+29
183.00
Neath [NTH]
1 2
1
2150
2151
2149½
2151
2218
2219
+28
185.06
Skewen [SKE]
1
pass
2154½
pass
2221¾
+27
186.68
Llansamlet [LAS]
1
pass
2157½
pass
2223¾
+26
189.42
Landore Junction
pass
2201½
pass
2226½
+25
DM
DSM
190.23
Swansea Loop East
pass
2202½
pass
2228
+25
190.67
Swansea [SWA]
3
2204
2204
2230
+26
DSM
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