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1B25 1718 London Paddington to Swansea
Departing on 8th January 2026

operated by
Great Western Railway
5 coaches
800004
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 1D29 from Oxford and forms from 1L23 from Cardiff Central
8
1718
1718
1725¼
+7
3
0.41
Royal Oak Junction
pass
1719
pass
1726½
+7
3
4
1.28
Portobello Jn (London)
pass
1720½
pass
1728
+7
4
3
1.68
Ladbroke Grove
pass
1721
pass
1729¼
+8
3
DM
2.55
Old Oak Common East
pass
1721½
pass
1730½
+8
3.15
Old Oak Common West
pass
1722
pass
1731
+9
3.48
Friars Jn
pass
1722½
pass
1731¼
+8
4.16
Acton Main Line [AML]
pass
1723
pass
1732
+9
4.75
Acton West
pass
1723½
pass
1732½
+9
ML
ML
5.51
Ealing Broadway [EAL]
1
pass
1724
pass
1732¾
+9
6.41
West Ealing [WEA]
pass
1724½
pass
1733½
+9
6.49
West Ealing Junction
pass
1724½
pass
1733½
+9
7.23
Hanwell [HAN]
pass
1724½
pass
1734
+9
8.57
Southall East Jn
pass
1725½
pass
1734¾
+9
9.01
Southall [STL]
1
pass
1725½
pass
1735½
+10
9.65
Southall West Jn
pass
1726
pass
1735½
+9
10.66
Hayes & Harlington [HAY]
1
pass
1726½
pass
1736½
+10
11.09
Heathrow Airport Jn
pass
1726½
pass
1736½
+10
ML
12.04
Stockley Junction
pass
1727
pass
1737
+10
12.62
West Drayton East
pass
1727½
pass
1737½
+10
13.12
West Drayton [WDT]
1
pass
1727½
pass
1738
+10
13.26
West Drayton Jcn
pass
1727½
pass
1738
+10
14.55
Iver [IVR]
1
pass
1728
pass
1738½
+10
16.13
Langley [LNY]
1
pass
1729
pass
1739½
+10
17.13
Dolphin Jn
pass
1729½
pass
1739¾
+10
18.31
Slough [SLO]
2
pass
1730
pass
1740¾
+10
ML
19.06
Slough West
pass
1730½
pass
1741
+10
20.72
Burnham [BNM]
pass
1731½
pass
1742
+10
22.34
Taplow [TAP]
1
pass
1732
pass
1743
+10
23.53
Maidenhead East
pass
1732½
pass
1743¾
+11
24.14
Maidenhead [MAI]
1
pass
1733
pass
1744¼
+11
29.40
Ruscombe
pass
1736
pass
1746¼
+10
30.76
Twyford [TWY]
1
1
pass
1736½
pass
1747
+10
ML
31.57
Twyford West
pass
1737
pass
1747½
+10
35.10
Kennet Bridge Jn
pass
1739½
pass
1749¾
+10
35.56
Reading Main Line East
pass
1740
pass
1750¼
+10
35.75
Reading [RDG]
9
1741
1743
1741
1743
1751¼
1753¼
+10
DM
DM
36.12
Reading Main Line West
pass
1743½
pass
1754
+10
36.45
Reading High Level Jn
pass
1744
pass
1755
+11
ML
38.29
Tilehurst East Jn.
pass
1745
pass
1756
+11
38.47
Tilehurst [TLH]
1
pass
1745
pass
1756
+10
41.38
Pangbourne [PAN]
pass
1747
pass
1757½
+10
44.55
Goring & Streatley [GOR]
1
1
pass
1749
pass
1759½
+10
ML
48.32
Cholsey [CHO]
1
pass
1751½
pass
1801
+9
51.32
Moreton Cutting
pass
1753½
pass
1802½
+9
52.61
Didcot East Jn
pass
1754½
pass
1803
+8
53.05
Didcot Parkway [DID]
1
1755
1756
1755
1756½
1804¾
1806¼
+9
53.20
Didcot West End
pass
1757
No report
53.50
Foxhall Jn [XJF]
pass
1757½
pass
1807
+9
55.14
Milton Junction
pass
1758½
pass
1808
+9
56.27
Steventon
pass
1759
pass
1808¾
+9
60.17
Wantage Road
pass
1801½
pass
1812½
+11
DM
63.75
Challow
pass
1803½
pass
1815¼
+11
66.34
Uffington (Oxfordshire)
1
pass
1804½
pass
1816¼
+11
72.25
Bourton
pass
1808
pass
1819¼
+11
74.46
Swindon South Marston Jn
pass
1809½
pass
1820¼
+11
75.58
Swindon Stratton Green
pass
1810
pass
1821
+11
76.27
Highworth Jn
pass
1810½
pass
1821¼
+10
76.59
Swindon East Loop
pass
1810½
pass
1822½
+11
77.18
Swindon [SWI]
4
1812
1813
1811½
1813½
1823¼
1824
+10
DM
DM
78.31
Rushey Platt
pass
1815
pass
1825½
+10
82.67
Wootton Bassett Jn
pass
1818
pass
1828½
+10
DM
DB
89.57
Little Somerford
pass
1822
pass
1832¾
+10
94.16
Hullavington
1
pass
1824½
pass
1835¼
+10
99.76
Badminton
pass
1828
pass
1837½
+9
104.40
Chipping Sodbury
pass
1830½
pass
1840½
+10
107.09
Westerleigh Jn
pass
1832
pass
1842¼
+10
111.57
Bristol Parkway [BPW]
1
2
1834
1837
1835
1837
1846
1847½
+10
DB
DT
112.79
Patchway [PWY]
2
pass
1839½
pass
1849¼
+9
116.45
Pilning [PIL]
2
pass
1842
pass
1852½
+10
118.03
Severn Tunnel East
pass
1843
pass
1854½
+11
122.31
Severn Tunnel West
pass
1846½
pass
1858
+11
123.41
Severn Tunnel Junction [STJ]
3
pass
1847½
pass
1859¼
+11
DT
DM
125.66
Magor
pass
1849
pass
1900¾
+11
130.72
Llanwern West Jn
pass
1852½
pass
1904½
+12
131.63
East Usk Jn.
pass
1853
pass
1905¼
+12
132.55
Maindee East Jn
1
pass
1854
pass
1906¼
+12
ML
132.77
Maindee West Jn
pass
1855½
pass
1907¼
+11
133.31
Newport (South Wales) [NWP]
2
1857
1858
1856½
1858½
1910¾
1911¾
+13
DM
DM
134.13
Gaer Jn
pass
1900
pass
1913½
+13
DM
134.68
Ebbw Jn
pass
1901
pass
1914¼
+13
DM
DM
138.41
Marshfield
1
pass
1903½
pass
1917
+13
142.42
Rumney River Bridge Jn
pass
1907
pass
1919½
+12
143.01
Pengam Jn
pass
1907½
pass
1920
+12
143.46
Moorland Road Junction
pass
1908
pass
1920½
+12
144.16
Long Dyke Jn
pass
1908½
pass
1921½
+13
E
144.79
Cardiff East
pass
1910
pass
1922¾
+12
DM
E
145.11
Cardiff Central [CDF]
Pathed as Class 80x on diesel from here
4
1910
1918
1911
1918
1924¾
1927
+9
E
D
145.37
Cardiff West
pass
1919
No report
146.36
Leckwith North Jn
pass
1921
pass
1929¾
+8
D
DM
149.14
St Fagans L C
pass
1923
pass
1932¼
+9
154.08
Miskin
pass
1927
pass
1936¼
+9
156.21
Pontyclun [PYC]
7
1
pass
1929
pass
1938
+9
156.57
Llantrisant [LTI]
pass
1929½
No report
158.53
Llanharan [LLR]
2
pass
1932½
pass
1940¼
+7
161.41
Pencoed [PCD]
1
pass
1937
pass
1942¼
+5
164.42
Tremains
pass
1942
pass
1944¼
+2
165.26
Bridgend [BGN]
1
1944
1945
1943½
1945
1946
1946¾
+1
DM
DM
169.46
Stormy
pass
1949½
pass
1951¼
+1
171.21
Pyle [PYL]
1
pass
1950½
pass
1952½
+1
173.45
Margam Moors Jn.
pass
1952
pass
1953½
+1
DM
175.12
Margam East Jn
pass
1953
pass
1955
+2
176.00
Margam Middle Jn
pass
1953½
pass
1955
+1
176.70
Port Talbot East
pass
1954½
No report
177.39
Port Talbot Parkway [PTA]
1
1956
1957
1955½
1957
1957¼
1958
+1
179.38
Baglan [BAJ]
1
pass
1959
pass
2000½
+1
180.09
Briton Ferry East
pass
2000
pass
2001
+1
181.20
Briton Ferry [BNF]
1
pass
2001
pass
2002¼
+1
181.38
Court Sart Jn
pass
2001
pass
2002¼
+1
183.00
Neath [NTH]
1
1
2003
2004
2003
2004½
2005
2005½
+1
185.06
Skewen [SKE]
1
pass
2007½
pass
2010
+2
186.68
Llansamlet [LAS]
1
pass
2010
pass
2013¼
+3
189.42
Landore Junction
pass
2013
pass
2017
+4
DM
DSM
190.23
Swansea Loop East
pass
2014
pass
2019
+5
190.67
Swansea [SWA]
3
2016
2016
2021
+5
DSM
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