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1B27 1748 London Paddington to Swansea
Departing on 13th December 2025

operated by
Great Western Railway
10 coaches
800014
800036
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
2
1748
1748
1748¼
2
0.41
Royal Oak Junction
pass
1749
pass
1749½
1.28
Portobello Jn (London)
pass
1750½
pass
1750½
1.68
Ladbroke Grove
pass
1751
pass
1751¼
2
DM
2.55
Old Oak Common East
pass
1751½
pass
1752¼
3.15
Old Oak Common West
pass
1752
pass
1752¾
3.48
Friars Jn
pass
1752½
pass
1753
4.16
Acton Main Line [AML]
pass
1753
pass
1753½
4.75
Acton West
pass
1753½
pass
1754
ML
ML
5.51
Ealing Broadway [EAL]
1
pass
1754
pass
1754¼
6.41
West Ealing [WEA]
pass
1754½
pass
1754¾
6.49
West Ealing Junction
pass
1754½
pass
1754¾
7.23
Hanwell [HAN]
pass
1754½
pass
1755
8.57
Southall East Jn
pass
1755½
pass
1755¾
9.01
Southall [STL]
1
pass
1755½
pass
1756¼
9.65
Southall West Jn
pass
1756
pass
1756¼
10.66
Hayes & Harlington [HAY]
1
pass
1756½
pass
1757¼
11.09
Heathrow Airport Jn
pass
1756½
pass
1757
ML
12.04
Stockley Junction
pass
1757
pass
1757¼
12.62
West Drayton East
pass
1757½
pass
1757¾
13.12
West Drayton [WDT]
1
pass
1757½
pass
1758¼
13.26
West Drayton Jcn
pass
1757½
pass
1758¼
14.55
Iver [IVR]
1
pass
1758
pass
1758¾
16.13
Langley [LNY]
1
pass
1759
pass
1759¾
+1
17.13
Dolphin Jn
pass
1759½
pass
1800¼
18.31
Slough [SLO]
2
pass
1800
pass
1800¾
ML
19.06
Slough West
pass
1800½
pass
1801
20.72
Burnham [BNM]
pass
1801½
pass
1801¾
22.34
Taplow [TAP]
1
pass
1802
pass
1802½
23.53
Maidenhead East
pass
1802½
pass
1803¼
24.14
Maidenhead [MAI]
1
pass
1803
pass
1803¾
29.40
Ruscombe
pass
1806
pass
1806
30.76
Twyford [TWY]
1
1
pass
1806½
pass
1806¾
ML
31.57
Twyford West
pass
1807
pass
1807
35.10
Kennet Bridge Jn
pass
1809½
pass
1809½
35.56
Reading Main Line East
pass
1810
pass
1810¼
35.75
Reading [RDG]
9
1811
1813
1811
1813
1811¼
1813
DM
DM
36.12
Reading Main Line West
pass
1813½
pass
1813½
36.45
Reading High Level Jn
pass
1814
pass
1814½
ML
38.29
Tilehurst East Jn.
pass
1815
pass
1815½
38.47
Tilehurst [TLH]
1
pass
1815
pass
1815½
41.38
Pangbourne [PAN]
pass
1817
pass
1816¾
44.55
Goring & Streatley [GOR]
1
1
pass
1819
pass
1818¾
ML
48.32
Cholsey [CHO]
1
pass
1821
pass
1820½
51.32
Moreton Cutting
pass
1823
pass
1821¾
-1
52.61
Didcot East Jn
pass
1824
pass
1822¼
-1
53.05
Didcot Parkway [DID]
1
pass
1824
pass
1822¾
-1
53.20
Didcot West End
pass
1824
No report
53.50
Foxhall Jn [XJF]
pass
1824½
pass
1823
-1
55.14
Milton Junction
pass
1825
pass
1823¼
-1
56.27
Steventon
pass
1826
pass
1824
-1
60.17
Wantage Road
pass
1828
pass
1826½
-1
63.75
Challow
pass
1830
pass
1828¾
-1
66.34
Uffington (Oxfordshire)
1
pass
1831
pass
1829¾
-1
72.25
Bourton
pass
1834½
pass
1832¾
-1
74.46
Swindon South Marston Jn
pass
1836
pass
1833¾
-1
75.58
Swindon Stratton Green
pass
1836½
pass
1834½
-1
76.27
Highworth Jn
pass
1837
pass
1834¾
-2
76.59
Swindon East Loop
pass
1837
pass
1835¾
-1
77.18
Swindon [SWI]
4
1838
1840
1838
1840
1836½
1839¾
DM
DM
82.67
Wootton Bassett Jn
pass
1844½
pass
1844
DM
DB
89.57
Little Somerford
pass
1848½
pass
1848¼
94.16
Hullavington
1
pass
1851
pass
1850½
99.76
Badminton
pass
1854½
pass
1853
-1
104.40
Chipping Sodbury
pass
1857
pass
1855¾
-1
107.09
Westerleigh Jn
½
pass
1858½
pass
1857¼
-1
111.57
Bristol Parkway [BPW]
½
2
1902
1904
1902
1904
1901
1913¾
+9
DB
DT
112.79
Patchway [PWY]
2
pass
1906
pass
1915¼
+9
116.45
Pilning [PIL]
2
pass
1908½
pass
1918¼
+9
118.03
Severn Tunnel East
pass
1909½
pass
1919¼
+9
122.31
Severn Tunnel West
pass
1913
pass
1922¼
+9
123.41
Severn Tunnel Junction [STJ]
3
pass
1914
pass
1923¾
+9
DT
DM
125.66
Magor
pass
1915½
pass
1925¼
+9
130.72
Llanwern West Jn
pass
1919
pass
1929
+10
131.63
East Usk Jn.
pass
1920
pass
1929½
+9
132.55
Maindee East Jn
pass
1920½
pass
1930½
+9
132.77
Maindee West Jn
pass
1921
pass
1931¼
+10
133.31
Newport (South Wales) [NWP]
2
1922
1924
1922
1924
1932½
1933¾
+9
DM
DM
134.13
Gaer Jn
pass
1925½
pass
1935¼
+9
DM
134.68
Ebbw Jn
pass
1926½
pass
1936
+9
DM
DM
138.41
Marshfield
1 1
pass
1929
pass
1938¾
+9
142.42
Rumney River Bridge Jn
pass
1933
pass
1941
+7
143.01
Pengam Jn
pass
1933½
pass
1941½
+7
143.46
Moorland Road Junction
pass
1934½
pass
1942¼
+7
DM
DR
144.16
Long Dyke Jn
pass
1935
pass
1942¾
+7
E
144.79
Cardiff East
pass
1936½
pass
1943¾
+7
DR
E
145.11
Cardiff Central [CDF]
Pathed as Class 80x on diesel from here
3
1937
1940
1937
1940
1945
1947½
+7
E
D
145.37
Cardiff West
pass
1941
No report
146.36
Leckwith North Jn
pass
1943
pass
1950¼
+7
D
DM
149.14
St Fagans L C
pass
1945
pass
1952¾
+7
154.08
Miskin
pass
1949
pass
1956½
+7
156.21
Pontyclun [PYC]
1
pass
1951
pass
1958½
+7
156.57
Llantrisant [LTI]
pass
1951½
No report
158.53
Llanharan [LLR]
2
pass
1953
pass
2000½
+7
161.41
Pencoed [PCD]
1
pass
1955
pass
2002½
+7
164.42
Tremains
pass
1957½
pass
2004¼
+7
165.26
Bridgend [BGN]
1
1959
2000
1958½
2000
2005¾
2007¾
+7
DM
DM
169.46
Stormy
pass
2004½
pass
2012½
+8
171.21
Pyle [PYL]
1
pass
2005½
pass
2013¾
+8
173.45
Margam Moors Jn.
pass
2007
pass
2014¾
+7
DM
175.12
Margam East Jn
pass
2008
pass
2016¼
+8
176.00
Margam Middle Jn
pass
2008½
pass
2016¼
+7
176.70
Port Talbot East
pass
2009½
No report
177.39
Port Talbot Parkway [PTA]
1
2011
2012
2010½
2012
2018¼
2019½
+7
179.38
Baglan [BAJ]
1
pass
2014
pass
2022¼
+8
180.09
Briton Ferry East
pass
2015
pass
2022½
+7
181.20
Briton Ferry [BNF]
1
pass
2016
pass
2023¾
+8
181.38
Court Sart Jn
pass
2016
pass
2023¾
+7
183.00
Neath [NTH]
1
1
2018
2019
2018
2019½
2025½
2026¾
+7
185.06
Skewen [SKE]
1
pass
2022½
pass
2029¾
+7
186.68
Llansamlet [LAS]
1
pass
2025
pass
2031¾
+7
189.42
Landore Junction
pass
2028
pass
2034½
+6
DM
DSM
190.23
Swansea Loop East
pass
2029
pass
2035¾
+6
190.67
Swansea [SWA]
3
2031
2031
2037¾
+6
DSM
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