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1B25 1718 London Paddington to Swansea
Departing on 11th December 2025

operated by
Great Western Railway
10 coaches
800010
800035
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
forms from 1P33 from Oxford
10
1718
1718
1717¾
3
0.41
Royal Oak Junction
pass
1719
pass
1719¼
3
2
1.28
Portobello Jn (London)
pass
1720½
pass
1720½
1.68
Ladbroke Grove
pass
1721
pass
1721
2
DM
2.55
Old Oak Common East
pass
1721½
pass
1722
3.15
Old Oak Common West
pass
1722
pass
1722½
3.48
Friars Jn
pass
1722½
pass
1722¾
4.16
Acton Main Line [AML]
pass
1723
pass
1723¼
4.75
Acton West
pass
1723½
pass
1723¾
ML
ML
5.51
Ealing Broadway [EAL]
1
pass
1724
pass
1724¼
6.41
West Ealing [WEA]
pass
1724½
pass
1724¾
6.49
West Ealing Junction
pass
1724½
pass
1724¾
7.23
Hanwell [HAN]
pass
1724½
pass
1725
8.57
Southall East Jn
pass
1725½
pass
1725¾
9.01
Southall [STL]
1
pass
1725½
pass
1726¼
9.65
Southall West Jn
pass
1726
pass
1726¼
10.66
Hayes & Harlington [HAY]
1
pass
1726½
pass
1727
11.09
Heathrow Airport Jn
pass
1726½
pass
1727
ML
12.04
Stockley Junction
pass
1727
pass
1727¼
12.62
West Drayton East
pass
1727½
pass
1727¾
13.12
West Drayton [WDT]
1
pass
1727½
pass
1728¼
13.26
West Drayton Jcn
pass
1727½
pass
1728¼
14.55
Iver [IVR]
1
pass
1728
pass
1728¾
16.13
Langley [LNY]
1
pass
1729
pass
1729¾
+1
17.13
Dolphin Jn
pass
1729½
pass
1730
18.31
Slough [SLO]
2
pass
1730
pass
1731
+1
ML
19.06
Slough West
pass
1730½
pass
1731¼
+1
20.72
Burnham [BNM]
pass
1731½
pass
1732¼
22.34
Taplow [TAP]
1
pass
1732
pass
1733
23.53
Maidenhead East
pass
1732½
pass
1733¾
+1
24.14
Maidenhead [MAI]
1
pass
1733
pass
1734¼
+1
29.40
Ruscombe
pass
1736
pass
1737¼
+1
30.76
Twyford [TWY]
1
1
pass
1736½
pass
1740
+3
ML
31.57
Twyford West
pass
1737
pass
1740½
+3
35.10
Kennet Bridge Jn
pass
1739½
pass
1745¼
+5
35.56
Reading Main Line East
pass
1740
pass
1746
+5
35.75
Reading [RDG]
9
1741
1743
1741
1743
1747¼
1749
+6
DM
DM
36.12
Reading Main Line West
pass
1743½
pass
1749¾
+6
36.45
Reading High Level Jn
pass
1744
pass
1750¾
+6
ML
38.29
Tilehurst East Jn.
pass
1745
pass
1751¾
+6
38.47
Tilehurst [TLH]
1
pass
1745
pass
1751¾
+6
41.38
Pangbourne [PAN]
pass
1747
pass
1753
+6
44.55
Goring & Streatley [GOR]
1
1
pass
1749
pass
1755
+6
ML
48.32
Cholsey [CHO]
1
pass
1751½
pass
1756½
+5
51.32
Moreton Cutting
pass
1753½
pass
1758
+4
52.61
Didcot East Jn
pass
1754½
pass
1758½
+4
53.05
Didcot Parkway [DID]
1
1755
1756
1755
1756½
1800¼
1802
+5
53.20
Didcot West End
pass
1757
No report
53.50
Foxhall Jn [XJF]
pass
1757½
pass
1802¾
+5
55.14
Milton Junction
pass
1758½
pass
1803¾
+5
56.27
Steventon
pass
1759
pass
1804¾
+5
60.17
Wantage Road
pass
1801½
pass
1807¼
+5
63.75
Challow
pass
1803½
pass
1809¼
+5
66.34
Uffington (Oxfordshire)
1
pass
1804½
pass
1810½
+6
72.25
Bourton
pass
1808
pass
1813¼
+5
74.46
Swindon South Marston Jn
pass
1809½
pass
1814½
+5
75.58
Swindon Stratton Green
pass
1810
pass
1815½
+5
76.27
Highworth Jn
pass
1810½
pass
1815¾
+5
76.59
Swindon East Loop
pass
1810½
pass
1817
+6
77.18
Swindon [SWI]
4
1812
1813
1811½
1813½
1818
1819¼
+5
DM
DM
82.67
Wootton Bassett Jn
pass
1818
pass
1824
+6
DM
DB
89.57
Little Somerford
pass
1822
pass
1828¼
+6
94.16
Hullavington
1
pass
1824½
pass
1830¾
+6
99.76
Badminton
pass
1828
pass
1833
+5
104.40
Chipping Sodbury
pass
1830½
pass
1836
+5
107.09
Westerleigh Jn
pass
1832
pass
1837¾
+5
111.57
Bristol Parkway [BPW]
2
1834
1837
1835
1837
1841¾
1844¼
+7
DB
DT
112.79
Patchway [PWY]
2
pass
1838½
pass
1847¾
+9
116.45
Pilning [PIL]
2
pass
1841
pass
1852
+11
118.03
Severn Tunnel East
pass
1842
pass
1853½
+11
122.31
Severn Tunnel West
pass
1845½
pass
1856¾
+11
123.41
Severn Tunnel Junction [STJ]
3
pass
1846½
pass
1858¼
+11
DT
DM
125.66
Magor
pass
1848
pass
1859¾
+11
130.72
Llanwern West Jn
2
pass
1851½
pass
1903½
+12
131.63
East Usk Jn.
pass
1853
pass
1904
+10
132.55
Maindee East Jn
pass
1855
pass
1905¼
+10
132.77
Maindee West Jn
pass
1855½
pass
1906¾
+11
133.31
Newport (South Wales) [NWP]
2
1857
1858
1856½
1858½
1908½
1910¼
+11
DM
DM
134.13
Gaer Jn
pass
1900
pass
1912
+12
DM
134.68
Ebbw Jn
pass
1901
pass
1912¾
+11
DM
DM
138.41
Marshfield
1
pass
1903½
pass
1915½
+12
142.42
Rumney River Bridge Jn
pass
1907
pass
1917¾
+10
143.01
Pengam Jn
pass
1907½
pass
1918¼
+10
143.46
Moorland Road Junction
pass
1908
pass
1918¾
+11
144.16
Long Dyke Jn
pass
1908½
pass
1920
+11
E
144.79
Cardiff East
pass
1910
pass
1921¼
+11
DM
E
145.11
Cardiff Central [CDF]
Pathed as Class 80x on diesel from here
3
1910
1918
1910½
1918
1924¼
1926
+8
E
D
145.37
Cardiff West
pass
1919
No report
146.36
Leckwith North Jn
pass
1921
pass
1928¾
+7
D
DM
149.14
St Fagans L C
pass
1923
pass
1931¼
+8
154.08
Miskin
pass
1927
pass
1935¼
+8
156.21
Pontyclun [PYC]
5½
1
pass
1929
pass
1937
+8
156.57
Llantrisant [LTI]
pass
1929½
No report
158.53
Llanharan [LLR]
2
pass
1932½
pass
1939¼
+7
161.41
Pencoed [PCD]
1
pass
1936
pass
1941¼
+5
164.42
Tremains
pass
1940½
pass
1943½
+3
165.26
Bridgend [BGN]
1
1942
1943
1942
1943½
1945¼
1947
+3
DM
DM
169.46
Stormy
pass
1948
pass
1952
+4
171.21
Pyle [PYL]
1
pass
1949
pass
1953
+4
173.45
Margam Moors Jn.
pass
1950½
pass
1954¼
+3
DM
175.12
Margam East Jn
pass
1951½
pass
1955½
+4
176.00
Margam Middle Jn
pass
1952
pass
1955¾
+3
176.70
Port Talbot East
pass
1953
No report
177.39
Port Talbot Parkway [PTA]
1
1954
1955
1954
1955½
1958
1959
+3
179.38
Baglan [BAJ]
1
pass
1957½
pass
2002
+4
180.09
Briton Ferry East
pass
1958½
pass
2002¼
+4
181.20
Briton Ferry [BNF]
1
pass
1959½
pass
2003½
+4
181.38
Court Sart Jn
pass
1959½
pass
2003½
+4
183.00
Neath [NTH]
1
1
2002
2003
2001½
2003
2005½
2007½
+4
185.06
Skewen [SKE]
1
pass
2006
pass
2010¼
+4
186.68
Llansamlet [LAS]
1
pass
2008½
pass
2012¼
+4
189.42
Landore Junction
pass
2011½
pass
2014¾
+3
DM
DSM
190.23
Swansea Loop East
pass
2012½
pass
2016¼
+3
190.67
Swansea [SWA]
3
2014
2014
2018½
+4
DSM
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