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1B27 1746 London Paddington to Swansea
Departing on 27th December 2025

operated by
Great Western Railway
GBTT
WTT
RTTRealtime
Route
Mi.Ch
Location
Pl
Arr
Dep
Arr
Dep
Arr
Dep
Dly
Path
Line
0.00
London Paddington [PAD]
10
1746
1746
1746
4
0.41
Royal Oak Junction
pass
1747
pass
1747
4
1.28
Portobello Jn (London)
pass
1748
pass
1748
3
1.68
Ladbroke Grove
pass
1749
pass
1749
3
ML
2.55
Old Oak Common East
pass
1749½
pass
1749
3.15
Old Oak Common West
pass
1750
pass
1750
3.48
Friars Jn
pass
1750½
pass
1750
4.16
Acton Main Line [AML]
pass
1751
pass
1750
4.75
Acton West
pass
1751½
pass
1751
ML
ML
5.51
Ealing Broadway [EAL]
pass
1752
pass
1751
6.41
West Ealing [WEA]
pass
1752½
pass
1752
6.49
West Ealing Junction
pass
1752½
pass
1752
7.23
Hanwell [HAN]
pass
1752½
pass
1752
8.57
Southall East Jn
pass
1753½
pass
1753
9.01
Southall [STL]
1
1
pass
1753½
pass
1753
ML
9.65
Southall West Jn
pass
1754½
pass
1753
10.66
Hayes & Harlington [HAY]
pass
1755
pass
1754
11.09
Heathrow Airport Jn
pass
1755½
pass
1755
ML
12.04
Stockley Junction
pass
1756
pass
1755
12.62
West Drayton East
pass
1756½
pass
1755
13.12
West Drayton [WDT]
pass
1756½
pass
1756
13.26
West Drayton Jcn
pass
1756½
pass
1756
14.55
Iver [IVR]
pass
1757
pass
1756
16.13
Langley [LNY]
pass
1758
pass
1757
17.13
Dolphin Jn
pass
1758½
pass
1758
18.31
Slough [SLO]
1
2
pass
1759
pass
1758
ML
19.06
Slough West
pass
1759½
pass
1759
20.72
Burnham [BNM]
pass
1800½
pass
1800
22.34
Taplow [TAP]
pass
1802
pass
1801
23.53
Maidenhead East
pass
1802½
pass
1802
24.14
Maidenhead [MAI]
1
pass
1803
pass
1803
ML
29.40
Ruscombe
pass
1806
pass
1805
30.76
Twyford [TWY]
1
1
pass
1806½
pass
1806
ML
31.57
Twyford West
pass
1807
pass
1806
35.10
Kennet Bridge Jn
pass
1809½
pass
1809
DML
35.56
Reading Main Line East
pass
1810
pass
1810
35.75
Reading [RDG]
9
1811
1813
1811
1813
1810
1813
ML
36.12
Reading Main Line West
pass
1813½
pass
1813
36.45
Reading High Level Jn
pass
1814
pass
1814
ML
38.29
Tilehurst East Jn.
pass
1815
pass
1815
38.47
Tilehurst [TLH]
pass
1815
pass
1815
41.38
Pangbourne [PAN]
pass
1817
pass
1817
44.55
Goring & Streatley [GOR]
1
pass
1819
pass
1819
ML
48.32
Cholsey [CHO]
pass
1821
pass
1821
51.32
Moreton Cutting
pass
1823
pass
1822
52.61
Didcot East Jn
pass
1824
pass
1823
53.05
Didcot Parkway [DID]
1
pass
1824
pass
1823
53.20
Didcot West End
pass
1824
pass
1823
53.50
Foxhall Jn [XJF]
pass
1824½
pass
1824
55.14
Milton Junction
pass
1825
pass
1825
56.27
Steventon
pass
1826
pass
1825
60.17
Wantage Road
pass
1828
pass
1827
63.75
Challow
pass
1830
pass
1829
66.34
Uffington (Oxfordshire)
1
pass
1831
pass
1830
72.25
Bourton
pass
1834½
pass
1834
74.46
Swindon South Marston Jn
pass
1836
pass
1835
75.58
Swindon Stratton Green
pass
1836½
pass
1836
76.27
Highworth Jn
pass
1837
pass
1836
76.59
Swindon East Loop
pass
1837
pass
1836
77.18
Swindon [SWI]
4
1838
1840
1838
1840
1837
1840
78.31
Rushey Platt
pass
1841½
pass
1841
82.67
Wootton Bassett Jn
pass
1844½
pass
1844
89.57
Little Somerford
pass
1848½
pass
1848
94.16
Hullavington
1
pass
1851
pass
1851
99.76
Badminton
pass
1854½
pass
1854
104.40
Chipping Sodbury
pass
1857
pass
1856
107.09
Westerleigh Jn
½
pass
1858½
pass
1858
111.57
Bristol Parkway [BPW]
1
2
1902
1904
1902
1904
1902
1904
112.79
Patchway [PWY]
2
pass
1906½
pass
1906
116.45
Pilning [PIL]
2
pass
1909
pass
1909
118.03
Severn Tunnel East
pass
1910
pass
1910
122.31
Severn Tunnel West
½
pass
1913½
pass
1913
123.41
Severn Tunnel Junction [STJ]
3
pass
1915
pass
1914
ML
125.66
Magor
pass
1916½
pass
1916
130.72
Llanwern West Jn
1
pass
1920
pass
1919
131.63
East Usk Jn.
pass
1921
pass
1921
132.55
Maindee East Jn
pass
1922½
pass
1922
ML
132.77
Maindee West Jn
pass
1923
pass
1923
133.31
Newport (South Wales) [NWP]
Pathed as Class 80x on diesel from here
2
1924
1926
1924
1926
1924
1926
DM
134.13
Gaer Jn
pass
1927½
pass
1927
ML
134.68
Ebbw Jn
4
pass
1928½
pass
1928
138.41
Marshfield
1
pass
1935
pass
1934
142.42
Rumney River Bridge Jn
pass
1938½
pass
1937
143.01
Pengam Jn
pass
1939
pass
1938
143.46
Moorland Road Junction
pass
1939½
pass
1938
144.16
Long Dyke Jn
pass
1940
pass
1939
E
144.79
Cardiff East
pass
1941½
pass
1941
145.11
Cardiff Central [CDF]
4
1943
1946
1942½
1946
1941
1946
145.37
Cardiff West
pass
1947½
pass
1947
145.52
Cardiff Radyr Branch Jn
pass
1948
pass
1948
145.74
Penarth Curve North Jn
2
pass
1949
pass
1949
146.10
Ninian Park [NNP]
1
pass
1952
pass
1952
146.16
Leckwith South Jn
pass
1952
pass
1952
146.29
Leckwith Loop
pass
1952½
pass
1952
146.42
Leckwith North Jn
pass
1953
pass
1953
149.20
St Fagans L C
pass
1955½
pass
1955
154.14
Miskin
pass
1959½
pass
1959
156.27
Pontyclun [PYC]
pass
2001½
pass
2001
156.63
Llantrisant [LTI]
pass
2002
pass
2001
158.59
Llanharan [LLR]
pass
2003½
pass
2003
161.47
Pencoed [PCD]
pass
2005½
pass
2005
164.48
Tremains
pass
2008
pass
2007
165.32
Bridgend [BGN]
1
2009
2010
2009
2010½
2009
2010
169.52
Stormy
pass
2015
pass
2014
171.27
Pyle [PYL]
pass
2016
pass
2015
173.51
Margam Moors Jn.
pass
2017½
pass
2017
175.18
Margam East Jn
pass
2018½
pass
2018
176.06
Margam Middle Jn
pass
2019
pass
2018
176.76
Port Talbot East
pass
2020
pass
2019
177.45
Port Talbot Parkway [PTA]
1
2021
2022
2021
2022½
2020
2022
179.44
Baglan [BAJ]
pass
2024½
pass
2024
180.15
Briton Ferry East
pass
2025½
pass
2024
181.26
Briton Ferry [BNF]
pass
2026½
pass
2025
181.44
Court Sart Jn
pass
2026½
pass
2026
183.06
Neath [NTH]
1
2029
2030
2028½
2030
2028
2030
185.12
Skewen [SKE]
pass
2033
pass
2032
186.74
Llansamlet [LAS]
pass
2035½
pass
2035
189.48
Landore Junction
pass
2038½
pass
2038
190.29
Swansea Loop East
pass
2039½
pass
2039
190.73
Swansea [SWA]
3
2041
2041
2040
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