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1B25 1718 London Paddington to Swansea
Departing on 4th December 2025

operated by
Great Western Railway
10 coaches
800005
800016
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 1L23 from Cardiff Central and forms from 1P33 from Oxford
10
1718
1718
1718¾
3
0.41
Royal Oak Junction
pass
1719
pass
1720¼
+1
3
2
1.28
Portobello Jn (London)
pass
1720½
pass
1721½
+1
1.68
Ladbroke Grove
pass
1721
pass
1722¼
+1
2
DM
2.55
Old Oak Common East
pass
1721½
pass
1723¼
+1
3.15
Old Oak Common West
pass
1722
pass
1723¾
+1
3.48
Friars Jn
pass
1722½
pass
1724
+1
4.16
Acton Main Line [AML]
pass
1723
pass
1724½
+1
4.75
Acton West
pass
1723½
pass
1725
+1
ML
ML
5.51
Ealing Broadway [EAL]
1
pass
1724
pass
1725½
+1
6.41
West Ealing [WEA]
pass
1724½
pass
1725¾
+1
6.49
West Ealing Junction
pass
1724½
pass
1725¾
+1
7.23
Hanwell [HAN]
pass
1724½
pass
1726¼
+1
8.57
Southall East Jn
pass
1725½
pass
1727
+1
9.01
Southall [STL]
1
pass
1725½
pass
1727½
+2
9.65
Southall West Jn
pass
1726
pass
1727½
+1
10.66
Hayes & Harlington [HAY]
1
pass
1726½
pass
1728¼
+2
11.09
Heathrow Airport Jn
pass
1726½
pass
1728
+1
ML
12.04
Stockley Junction
pass
1727
pass
1728½
+1
12.62
West Drayton East
pass
1727½
pass
1729
+1
13.12
West Drayton [WDT]
1
pass
1727½
pass
1729½
+2
13.26
West Drayton Jcn
pass
1727½
pass
1729½
+2
14.55
Iver [IVR]
1
pass
1728
pass
1730
+1
16.13
Langley [LNY]
1
pass
1729
pass
1731
+2
17.13
Dolphin Jn
pass
1729½
pass
1731¼
+2
18.31
Slough [SLO]
2
pass
1730
pass
1731¾
+1
ML
19.06
Slough West
pass
1730½
pass
1732¼
+1
20.72
Burnham [BNM]
pass
1731½
pass
1733
+1
22.34
Taplow [TAP]
1
pass
1732
pass
1733¾
+1
23.53
Maidenhead East
pass
1732½
pass
1734½
+1
24.14
Maidenhead [MAI]
1
pass
1733
pass
1735
+2
29.40
Ruscombe
pass
1736
pass
1737
+1
30.76
Twyford [TWY]
1
1
pass
1736½
pass
1737¾
+1
ML
31.57
Twyford West
pass
1737
pass
1738¼
+1
35.10
Kennet Bridge Jn
pass
1739½
pass
1740¼
35.56
Reading Main Line East
pass
1740
pass
1740¾
35.75
Reading [RDG]
9
1741
1743
1741
1743
1741¾
1744
+1
DM
DM
36.12
Reading Main Line West
pass
1743½
pass
1744¾
+1
36.45
Reading High Level Jn
pass
1744
pass
1745¾
+1
ML
38.29
Tilehurst East Jn.
pass
1745
pass
1746¾
+1
38.47
Tilehurst [TLH]
1
pass
1745
pass
1746¾
+1
41.38
Pangbourne [PAN]
pass
1747
pass
1748
+1
44.55
Goring & Streatley [GOR]
1
1
pass
1749
pass
1750
+1
ML
48.32
Cholsey [CHO]
1
pass
1751½
pass
1751½
51.32
Moreton Cutting
pass
1753½
pass
1752¾
52.61
Didcot East Jn
pass
1754½
pass
1753½
53.05
Didcot Parkway [DID]
1
1755
1756
1755
1756½
1755
1756½
53.20
Didcot West End
pass
1757
No report
53.50
Foxhall Jn [XJF]
pass
1757½
pass
1757½
55.14
Milton Junction
pass
1758½
pass
1758¼
56.27
Steventon
pass
1759
pass
1759¼
60.17
Wantage Road
pass
1801½
pass
1801¾
63.75
Challow
pass
1803½
pass
1803¾
66.34
Uffington (Oxfordshire)
1
pass
1804½
pass
1805
72.25
Bourton
pass
1808
pass
1807¾
74.46
Swindon South Marston Jn
pass
1809½
pass
1809
75.58
Swindon Stratton Green
pass
1810
pass
1809¾
76.27
Highworth Jn
pass
1810½
pass
1809¾
76.59
Swindon East Loop
pass
1810½
pass
1811
77.18
Swindon [SWI]
4
1812
1813
1811½
1813½
1812
1813
DM
DM
82.67
Wootton Bassett Jn
pass
1818
pass
1817½
DM
DB
89.57
Little Somerford
pass
1822
pass
1821¾
94.16
Hullavington
1
pass
1824½
pass
1824¼
99.76
Badminton
pass
1828
pass
1826¾
-1
104.40
Chipping Sodbury
pass
1830½
pass
1829½
107.09
Westerleigh Jn
pass
1832
pass
1831¼
111.57
Bristol Parkway [BPW]
2
1834
1837
1835
1837
1836
1838¼
+1
DB
DT
112.79
Patchway [PWY]
2
pass
1838½
pass
1840¾
+2
116.45
Pilning [PIL]
2
pass
1841
pass
1844¾
+3
118.03
Severn Tunnel East
pass
1842
pass
1845¾
+3
122.31
Severn Tunnel West
pass
1845½
pass
1849¼
+3
123.41
Severn Tunnel Junction [STJ]
3
pass
1846½
pass
1850¾
+4
DT
DM
125.66
Magor
pass
1848
pass
1852¼
+4
130.72
Llanwern West Jn
2
pass
1851½
pass
1856
+4
131.63
East Usk Jn.
pass
1853
pass
1856½
+3
132.55
Maindee East Jn
pass
1855
pass
1857¾
+2
132.77
Maindee West Jn
pass
1855½
pass
1900
+4
DM
DR
133.31
Newport (South Wales) [NWP]
1
1857
1858
1856½
1858½
1901¾
1903½
+5
DR
DR
134.13
Gaer Jn
pass
1900
pass
1905½
+5
DR
DM
134.68
Ebbw Jn
pass
1901
pass
1906¾
+5
DM
DM
138.41
Marshfield
1
pass
1903½
pass
1909½
+6
142.42
Rumney River Bridge Jn
pass
1907
pass
1911¾
+4
143.01
Pengam Jn
pass
1907½
pass
1912¼
+5
143.46
Moorland Road Junction
pass
1908
pass
1912¾
+5
144.16
Long Dyke Jn
pass
1908½
pass
1913¾
+5
E
144.79
Cardiff East
pass
1910
pass
1915
+5
DM
E
145.11
Cardiff Central [CDF]
Pathed as Class 80x on diesel from here
3
1910
1918
1910½
1918
1916¾
1918½
E
D
145.37
Cardiff West
pass
1919
No report
146.36
Leckwith North Jn
pass
1921
pass
1921½
D
DM
149.14
St Fagans L C
pass
1923
pass
1924½
+1
154.08
Miskin
pass
1927
pass
1930¼
+3
156.21
Pontyclun [PYC]
5½
1
pass
1929
pass
1932½
+3
156.57
Llantrisant [LTI]
pass
1929½
No report
158.53
Llanharan [LLR]
2
pass
1932½
pass
1935¾
+3
161.41
Pencoed [PCD]
1
pass
1936
pass
1938½
+2
164.42
Tremains
pass
1940½
pass
1941¼
+1
165.26
Bridgend [BGN]
1
1942
1943
1942
1943½
1947¾
1949¾
+6
DM
DM
169.46
Stormy
pass
1948
pass
1955¼
+7
171.21
Pyle [PYL]
1
pass
1949
pass
1956½
+7
173.45
Margam Moors Jn.
pass
1950½
pass
1957½
+7
DM
175.12
Margam East Jn
pass
1951½
pass
1959
+7
176.00
Margam Middle Jn
pass
1952
pass
1959¼
+7
176.70
Port Talbot East
pass
1953
No report
177.39
Port Talbot Parkway [PTA]
1
1954
1955
1954
1955½
2001¼
2002¼
+6
179.38
Baglan [BAJ]
1
pass
1957½
pass
2005½
+7
180.09
Briton Ferry East
pass
1958½
pass
2005¾
+7
181.20
Briton Ferry [BNF]
1
pass
1959½
pass
2007
+7
181.38
Court Sart Jn
pass
1959½
pass
2007
+7
183.00
Neath [NTH]
1
1
2002
2003
2001½
2003
2008¾
2010¼
+7
185.06
Skewen [SKE]
1
pass
2006
pass
2013½
+7
186.68
Llansamlet [LAS]
1
pass
2008½
pass
2015½
+7
189.42
Landore Junction
pass
2011½
pass
2018½
+7
DM
DSM
190.23
Swansea Loop East
pass
2012½
pass
2020¼
+7
190.67
Swansea [SWA]
3
2014
2014
2022½
+8
DSM
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