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1Z51 1839 Cardiff Central to Swindon
Departing on 29th November 2025

operated by
Great Western Railway
8 coaches
387171
387155
GBTT
WTT
RTTRealtime
Route
Mi.Ch
Location
Pl
Arr
Dep
Arr
Dep
Arr
Dep
Dly
Path
Line
0.00
Cardiff Central [CDF]
Pathed as Class 387 EMU at 110mph
2
1839
1839
1851½
+12
B
0.12
Cardiff East
pass
1839½
pass
1853
+13
0.75
Long Dyke Jn
pass
1841
pass
1854
+13
B
UM
1.45
Moorland Road Junction
pass
1841½
pass
1854¾
+13
2.10
Pengam Jn
pass
1842
pass
1855
+13
2.49
Rumney River Bridge Jn
pass
1842½
pass
1855½
+13
6.50
Marshfield
pass
1845½
pass
1858
+12
10.23
Ebbw Jn
pass
1848
pass
1900¾
+12
UM
UM
10.78
Gaer Jn
pass
1849½
pass
1901¼
+11
UM
11.60
Newport (South Wales) [NWP]
3
1852
1853
1851½
1853½
1903¾
1904¾
+11
UM
UM
12.14
Maindee West Jn
pass
1854½
pass
1906¼
+11
12.36
Maindee East Jn
pass
1855
pass
1906¾
+12
13.28
East Usk Jn.
pass
1856
pass
1907½
+11
14.19
Llanwern West Jn
pass
1857
pass
1908½
+11
19.25
Magor
pass
1901
pass
1911½
+10
21.50
Severn Tunnel Junction [STJ]
4
pass
1902½
pass
1914
+11
UM
UT
22.60
Severn Tunnel West
pass
1903½
pass
1914¾
+11
27.08
Severn Tunnel East
pass
1907
pass
1918½
+11
28.46
Pilning [PIL]
1
1
pass
1908
pass
1919½
+11
32.12
Patchway [PWY]
1
pass
1911½
pass
1926¾
+15
33.34
Bristol Parkway [BPW]
3
1914
1916
1913½
1916½
1929
1930½
+14
UT
UB
38.02
Westerleigh Jn
pass
1919½
pass
1934½
+15
40.51
Chipping Sodbury
pass
1921
pass
1936
+15
45.15
Badminton
pass
1923½
pass
1938½
+15
50.75
Hullavington
5
pass
1926½
pass
1941½
+15
55.34
Little Somerford
pass
1931
pass
1944¾
+13
62.24
Wootton Bassett Jn
1 2
pass
1938
pass
1948
+10
UB
UM
67.73
Swindon [SWI]
1
1947
1947
1954
+7
UR
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