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1B25 1718 London Paddington to Swansea
Departing on 12th December 2025

operated by
Great Western Railway
10 coaches
800010
800027
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
9
1718
1718
1717½
4
0.41
Royal Oak Junction
pass
1719
pass
1718¾
4
4
1.28
Portobello Jn (London)
pass
1720½
pass
1720
1.68
Ladbroke Grove
pass
1721
pass
1720¾
4
DR
2.55
Old Oak Common East
pass
1721½
pass
1721½
3.15
Old Oak Common West
pass
1722
pass
1722
3.48
Friars Jn
pass
1722½
pass
1722½
4.16
Acton Main Line [AML]
3
pass
1723
pass
1725
+2
4.75
Acton West
pass
1723½
pass
1727½
+4
DR
DM
5.51
Ealing Broadway [EAL]
1
pass
1724
pass
1727¾
+4
6.41
West Ealing [WEA]
pass
1724½
pass
1728¾
+4
6.49
West Ealing Junction
pass
1724½
pass
1728¾
+4
7.23
Hanwell [HAN]
pass
1724½
pass
1729¼
+4
8.57
Southall East Jn
pass
1725½
pass
1730
+4
9.01
Southall [STL]
1
pass
1725½
pass
1730½
+5
9.65
Southall West Jn
pass
1726
pass
1730½
+4
10.66
Hayes & Harlington [HAY]
1
pass
1726½
pass
1731¼
+5
11.09
Heathrow Airport Jn
pass
1726½
pass
1731¼
+4
ML
12.04
Stockley Junction
pass
1727
pass
1731½
+4
12.62
West Drayton East
pass
1727½
pass
1732
+4
13.12
West Drayton [WDT]
1
pass
1727½
pass
1732½
+5
13.26
West Drayton Jcn
pass
1727½
pass
1732½
+5
14.55
Iver [IVR]
1
pass
1728
pass
1733
+4
16.13
Langley [LNY]
1
pass
1729
pass
1734
+5
17.13
Dolphin Jn
pass
1729½
pass
1734¼
+5
18.31
Slough [SLO]
2
pass
1730
pass
1735
+5
ML
19.06
Slough West
pass
1730½
pass
1735¼
+4
20.72
Burnham [BNM]
pass
1731½
pass
1736
+4
22.34
Taplow [TAP]
1
pass
1732
pass
1736¾
+4
23.53
Maidenhead East
pass
1732½
pass
1737½
+4
24.14
Maidenhead [MAI]
1
pass
1733
pass
1738
+5
29.40
Ruscombe
pass
1736
pass
1740
+4
30.76
Twyford [TWY]
1
1
pass
1736½
pass
1740¾
+4
ML
31.57
Twyford West
pass
1737
pass
1741¼
+4
35.10
Kennet Bridge Jn
pass
1739½
pass
1743¼
+3
35.56
Reading Main Line East
pass
1740
pass
1743¾
+3
35.75
Reading [RDG]
9
1741
1743
1741
1743
1744¾
1746½
+3
DM
DM
36.12
Reading Main Line West
pass
1743½
pass
1747
+3
36.45
Reading High Level Jn
pass
1744
pass
1748
+4
ML
38.29
Tilehurst East Jn.
pass
1745
pass
1749
+4
38.47
Tilehurst [TLH]
1
pass
1745
pass
1749
+3
41.38
Pangbourne [PAN]
pass
1747
pass
1750½
+3
44.55
Goring & Streatley [GOR]
1
1
pass
1749
pass
1752¼
+3
ML
48.32
Cholsey [CHO]
1
pass
1751½
pass
1754
+2
51.32
Moreton Cutting
pass
1753½
pass
1755¼
+1
52.61
Didcot East Jn
pass
1754½
pass
1755¾
+1
53.05
Didcot Parkway [DID]
1
1755
1756
1755
1756½
1757¼
1758¾
+2
53.20
Didcot West End
pass
1757
No report
53.50
Foxhall Jn [XJF]
pass
1757½
pass
1759¾
+2
55.14
Milton Junction
pass
1758½
pass
1800½
+2
56.27
Steventon
pass
1759
pass
1801½
+2
60.17
Wantage Road
pass
1801½
pass
1804
+2
63.75
Challow
pass
1803½
pass
1806
+2
66.34
Uffington (Oxfordshire)
1
pass
1804½
pass
1807
+2
72.25
Bourton
pass
1808
pass
1810
+2
74.46
Swindon South Marston Jn
pass
1809½
pass
1811¾
+2
75.58
Swindon Stratton Green
pass
1810
pass
1813¼
+3
76.27
Highworth Jn
pass
1810½
pass
1813¾
+3
76.59
Swindon East Loop
pass
1810½
pass
1814¾
+4
77.18
Swindon [SWI]
4
1812
1813
1811½
1813½
1815¾
1816½
+3
DM
DM
82.67
Wootton Bassett Jn
pass
1818
pass
1822¾
+4
DM
DB
89.57
Little Somerford
pass
1822
pass
1826¾
+4
94.16
Hullavington
1
pass
1824½
pass
1829¼
+4
99.76
Badminton
pass
1828
pass
1831½
+3
104.40
Chipping Sodbury
pass
1830½
pass
1834½
+4
107.09
Westerleigh Jn
pass
1832
pass
1836
+4
111.57
Bristol Parkway [BPW]
2
1834
1837
1835
1837
1839½
1841
+4
DB
DT
112.79
Patchway [PWY]
2
pass
1838½
pass
1842½
+4
116.45
Pilning [PIL]
2
pass
1841
pass
1845½
+4
118.03
Severn Tunnel East
pass
1842
pass
1846¼
+4
122.31
Severn Tunnel West
pass
1845½
pass
1849½
+4
123.41
Severn Tunnel Junction [STJ]
3
pass
1846½
pass
1851
+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
1857¼
+2
132.77
Maindee West Jn
pass
1855½
pass
1858¼
+2
133.31
Newport (South Wales) [NWP]
2
1857
1858
1856½
1858½
1859¼
1900¼
+1
DM
DM
134.13
Gaer Jn
pass
1900
pass
1902¼
+2
DM
134.68
Ebbw Jn
pass
1901
pass
1903¼
+2
DM
DM
138.41
Marshfield
1
pass
1903½
pass
1906½
+3
142.42
Rumney River Bridge Jn
pass
1907
pass
1909¼
+2
143.01
Pengam Jn
pass
1907½
pass
1909¾
+2
143.46
Moorland Road Junction
pass
1908
pass
1910¼
+2
144.16
Long Dyke Jn
pass
1908½
pass
1911¼
+2
E
144.79
Cardiff East
pass
1910
pass
1912½
+2
DM
E
145.11
Cardiff Central [CDF]
Pathed as Class 80x on diesel from here
4
1910
1918
1910½
1918
1916¼
1918¾
E
D
145.37
Cardiff West
pass
1919
No report
146.36
Leckwith North Jn
pass
1921
pass
1922
+1
D
DM
149.14
St Fagans L C
pass
1923
pass
1924¼
+1
154.08
Miskin
pass
1927
pass
1928¼
+1
156.21
Pontyclun [PYC]
5½
1
pass
1929
pass
1930½
+1
156.57
Llantrisant [LTI]
pass
1929½
No report
158.53
Llanharan [LLR]
2
pass
1932½
pass
1935¼
+3
161.41
Pencoed [PCD]
1
pass
1936
pass
1940¼
+4
164.42
Tremains
pass
1940½
pass
1944
+3
165.26
Bridgend [BGN]
1
1942
1943
1942
1943½
1945½
1947½
+4
DM
DM
169.46
Stormy
pass
1948
pass
1952½
+4
171.21
Pyle [PYL]
1
pass
1949
pass
1953½
+4
173.45
Margam Moors Jn.
pass
1950½
pass
1954¾
+4
DM
175.12
Margam East Jn
pass
1951½
pass
1956
+4
176.00
Margam Middle Jn
pass
1952
pass
1956¼
+4
176.70
Port Talbot East
pass
1953
No report
177.39
Port Talbot Parkway [PTA]
1
1954
1955
1954
1955½
1958¼
1959½
+4
179.38
Baglan [BAJ]
1
pass
1957½
pass
2002½
+4
180.09
Briton Ferry East
pass
1958½
pass
2002¾
+4
181.20
Briton Ferry [BNF]
1
pass
1959½
pass
2004
+4
181.38
Court Sart Jn
pass
1959½
pass
2003¾
+4
183.00
Neath [NTH]
1
1
2002
2003
2001½
2003
2005¾
2007¼
+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
2015
+3
DM
DSM
190.23
Swansea Loop East
pass
2012½
pass
2016¼
+3
190.67
Swansea [SWA]
3
2014
2014
2018¼
+4
DSM
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