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1B25 1718 London Paddington to Swansea
Departing on 1st December 2025

operated by
Great Western Railway
9 coaches
800321
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
1717¾
3
0.41
Royal Oak Junction
pass
1719
pass
1719
3
2
1.28
Portobello Jn (London)
pass
1720½
pass
1720¾
1.68
Ladbroke Grove
pass
1721
pass
1721½
2
DM
2.55
Old Oak Common East
pass
1721½
pass
1722¾
+1
3.15
Old Oak Common West
pass
1722
pass
1723¼
+1
3.48
Friars Jn
pass
1722½
pass
1723¼
+1
4.16
Acton Main Line [AML]
pass
1723
pass
1724
+1
4.75
Acton West
pass
1723½
pass
1724½
+1
ML
ML
5.51
Ealing Broadway [EAL]
1
pass
1724
pass
1725
+1
6.41
West Ealing [WEA]
pass
1724½
pass
1725½
+1
6.49
West Ealing Junction
pass
1724½
pass
1725½
+1
7.23
Hanwell [HAN]
pass
1724½
pass
1725¾
+1
8.57
Southall East Jn
pass
1725½
pass
1726½
+1
9.01
Southall [STL]
1
pass
1725½
pass
1727
+1
9.65
Southall West Jn
pass
1726
pass
1727¼
+1
10.66
Hayes & Harlington [HAY]
1
pass
1726½
pass
1728
+1
11.09
Heathrow Airport Jn
pass
1726½
pass
1727¾
+1
ML
12.04
Stockley Junction
pass
1727
pass
1728¼
+1
12.62
West Drayton East
pass
1727½
pass
1728¾
+1
13.12
West Drayton [WDT]
1
pass
1727½
pass
1729¼
+1
13.26
West Drayton Jcn
pass
1727½
pass
1729¼
+1
14.55
Iver [IVR]
1
pass
1728
pass
1729¾
+1
16.13
Langley [LNY]
1
pass
1729
pass
1730¾
+1
17.13
Dolphin Jn
pass
1729½
pass
1731
+1
18.31
Slough [SLO]
2
pass
1730
pass
1731½
+1
ML
19.06
Slough West
pass
1730½
pass
1731¾
+1
20.72
Burnham [BNM]
pass
1731½
pass
1732½
+1
22.34
Taplow [TAP]
1
pass
1732
pass
1733¼
+1
23.53
Maidenhead East
pass
1732½
pass
1734¼
+1
24.14
Maidenhead [MAI]
1
pass
1733
pass
1734½
+1
29.40
Ruscombe
pass
1736
pass
1738¾
+3
30.76
Twyford [TWY]
1
1
pass
1736½
pass
1740¼
+3
ML
31.57
Twyford West
pass
1737
pass
1740¾
+3
35.10
Kennet Bridge Jn
pass
1739½
pass
1744¼
+4
35.56
Reading Main Line East
pass
1740
pass
1744¾
+4
35.75
Reading [RDG]
9
1741
1743
1741
1743
1745¾
1747¾
+4
DM
DM
36.12
Reading Main Line West
pass
1743½
pass
1748½
+5
36.45
Reading High Level Jn
pass
1744
pass
1749½
+5
ML
38.29
Tilehurst East Jn.
pass
1745
pass
1750¾
+5
38.47
Tilehurst [TLH]
1
pass
1745
pass
1750¾
+5
41.38
Pangbourne [PAN]
pass
1747
pass
1752
+5
44.55
Goring & Streatley [GOR]
1
1
pass
1749
pass
1754
+5
ML
48.32
Cholsey [CHO]
1
pass
1751½
pass
1755½
+4
51.32
Moreton Cutting
pass
1753½
pass
1756¾
+3
52.61
Didcot East Jn
pass
1754½
pass
1757½
+3
53.05
Didcot Parkway [DID]
1
1755
1756
1755
1756½
1759¼
1800¼
+3
53.20
Didcot West End
pass
1757
No report
53.50
Foxhall Jn [XJF]
pass
1757½
pass
1801¼
+4
55.14
Milton Junction
pass
1758½
pass
1802¼
+4
56.27
Steventon
pass
1759
pass
1803¼
+4
60.17
Wantage Road
pass
1801½
pass
1805¾
+4
63.75
Challow
pass
1803½
pass
1807¾
+4
66.34
Uffington (Oxfordshire)
1
pass
1804½
pass
1809
+4
72.25
Bourton
pass
1808
pass
1848¾
+40
74.46
Swindon South Marston Jn
pass
1809½
pass
1850¾
+41
75.58
Swindon Stratton Green
pass
1810
pass
1851¾
+41
76.27
Highworth Jn
pass
1810½
pass
1852
+41
76.59
Swindon East Loop
pass
1810½
pass
1853¼
+42
77.18
Swindon [SWI]
4
1812
1813
1811½
1813½
1854¼
1856¼
+42
DM
DM
82.67
Wootton Bassett Jn
pass
1818
pass
1900¾
+42
DM
DB
89.57
Little Somerford
pass
1822
pass
1905
+43
94.16
Hullavington
1
pass
1824½
pass
1907½
+43
99.76
Badminton
pass
1828
pass
1909¾
+42
104.40
Chipping Sodbury
pass
1830½
pass
1912¾
+42
107.09
Westerleigh Jn
pass
1832
pass
1914½
+42
111.57
Bristol Parkway [BPW]
2
1834
1837
1835
1837
1918
1920¼
+43
DB
DT
112.79
Patchway [PWY]
2
pass
1838½
pass
1921¾
+43
116.45
Pilning [PIL]
2
pass
1841
pass
1925¼
+44
118.03
Severn Tunnel East
pass
1842
pass
1928¾
+46
122.31
Severn Tunnel West
pass
1845½
pass
1932½
+47
123.41
Severn Tunnel Junction [STJ]
3
pass
1846½
pass
1934
+47
DT
DM
125.66
Magor
pass
1848
pass
1935¾
+47
130.72
Llanwern West Jn
2
pass
1851½
pass
1939¾
+48
131.63
East Usk Jn.
pass
1853
pass
1940¾
+47
132.55
Maindee East Jn
pass
1855
pass
1942¼
+47
132.77
Maindee West Jn
pass
1855½
pass
1943
+47
133.31
Newport (South Wales) [NWP]
2
1857
1858
1856½
1858½
1944
1945½
+47
DM
DM
134.13
Gaer Jn
pass
1900
pass
1947¼
+47
DM
134.68
Ebbw Jn
pass
1901
pass
1948
+47
DM
DM
138.41
Marshfield
1
pass
1903½
pass
1950¾
+47
142.42
Rumney River Bridge Jn
pass
1907
pass
1953
+46
143.01
Pengam Jn
pass
1907½
pass
1953½
+46
143.46
Moorland Road Junction
pass
1908
pass
1954
+46
144.16
Long Dyke Jn
pass
1908½
pass
1955
+46
E
144.79
Cardiff East
pass
1910
pass
1956
+46
DM
E
145.11
Cardiff Central [CDF]
Pathed as Class 80x on diesel from here
3
1910
1918
1910½
1918
1957½
2000¼
+42
E
D
145.37
Cardiff West
pass
1919
No report
146.36
Leckwith North Jn
pass
1921
pass
2003½
+42
D
DM
149.14
St Fagans L C
pass
1923
pass
2006¼
+43
154.08
Miskin
pass
1927
pass
2010¼
+43
156.21
Pontyclun [PYC]
5½
1
pass
1929
pass
2012
+43
156.57
Llantrisant [LTI]
pass
1929½
No report
158.53
Llanharan [LLR]
2
pass
1932½
pass
2014¼
+42
161.41
Pencoed [PCD]
1
pass
1936
pass
2016¼
+40
164.42
Tremains
pass
1940½
pass
2019¼
+39
165.26
Bridgend [BGN]
1
1942
1943
1942
1943½
pass
2021½
+38
DM
DM
169.46
Stormy
pass
1948
pass
2028
+40
171.21
Pyle [PYL]
1
pass
1949
pass
2031
+42
173.45
Margam Moors Jn.
pass
1950½
pass
2032¾
+42
DM
175.12
Margam East Jn
pass
1951½
pass
2034¼
+42
176.00
Margam Middle Jn
pass
1952
pass
2036
+44
DM
DR
176.70
Port Talbot East
pass
1953
No report
177.39
Port Talbot Parkway [PTA]
DR
1954
1955
1954
1955½
pass
2039¼
+43
DM
DM
179.38
Baglan [BAJ]
1
pass
1957½
pass
2042¼
+44
180.09
Briton Ferry East
pass
1958½
pass
2042¾
+44
181.20
Briton Ferry [BNF]
1
pass
1959½
pass
2044
+44
181.38
Court Sart Jn
pass
1959½
pass
2044
+44
183.00
Neath [NTH]
1
1
2002
2003
2001½
2003
pass
2045¾
+42
185.06
Skewen [SKE]
1
pass
2006
pass
2048¾
+42
186.68
Llansamlet [LAS]
1
pass
2008½
pass
2050¾
+42
189.42
Landore Junction
pass
2011½
pass
2053¾
+42
DM
DSM
190.23
Swansea Loop East
pass
2012½
pass
2055¼
+42
190.67
Swansea [SWA]
2
2014
2014
2059¼
+45
DSM
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