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1B27 1748 London Paddington to Carmarthen
Departing on 8th December 2025

operated by
Great Western Railway
10 coaches
London Paddington - Swansea
802012
802022
5 coaches
Swansea - Carmarthen
800008
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
1747¾
2
0.41
Royal Oak Junction
pass
1749
pass
1749
1.28
Portobello Jn (London)
pass
1750½
pass
1750¼
1.68
Ladbroke Grove
pass
1751
pass
1751
2
DM
2.55
Old Oak Common East
pass
1751½
pass
1752
3.15
Old Oak Common West
pass
1752
pass
1752½
3.48
Friars Jn
pass
1752½
pass
1752¾
4.16
Acton Main Line [AML]
pass
1753
pass
1753¼
4.75
Acton West
pass
1753½
pass
1753¾
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
1757
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
1800
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
1805¾
30.76
Twyford [TWY]
1
1
pass
1806½
pass
1806½
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
1810½
35.75
Reading [RDG]
8
1811
1813
1811
1813
1811½
1814
+1
DM
FVL
36.12
Reading Main Line West
pass
1813½
pass
1814¾
+1
36.45
Reading High Level Jn
pass
1814
pass
1818½
+4
FVL
DM
38.29
Tilehurst East Jn.
pass
1815
pass
1820½
+5
38.47
Tilehurst [TLH]
1
pass
1815
pass
1820¾
+5
41.38
Pangbourne [PAN]
pass
1817
pass
1822¼
+5
44.55
Goring & Streatley [GOR]
1
1
pass
1819
pass
1824
+5
ML
48.32
Cholsey [CHO]
1
pass
1821
pass
1825¾
+4
51.32
Moreton Cutting
pass
1823
pass
1827
+4
52.61
Didcot East Jn
pass
1824
pass
1827¾
+3
53.05
Didcot Parkway [DID]
1
pass
1824
pass
1828¼
+4
53.20
Didcot West End
pass
1824
No report
53.50
Foxhall Jn [XJF]
pass
1824½
pass
1828½
+4
55.14
Milton Junction
pass
1825
pass
1828¾
+3
56.27
Steventon
pass
1826
pass
1829½
+3
60.17
Wantage Road
pass
1828
pass
1832½
+4
63.75
Challow
pass
1830
pass
1834¾
+4
66.34
Uffington (Oxfordshire)
1
pass
1831
pass
1835¾
+4
72.25
Bourton
pass
1834½
pass
1838¾
+4
74.46
Swindon South Marston Jn
pass
1836
pass
1840
+4
75.58
Swindon Stratton Green
pass
1836½
pass
1841
+4
76.27
Highworth Jn
pass
1837
pass
1841
+4
76.59
Swindon East Loop
pass
1837
pass
1842¼
+5
77.18
Swindon [SWI]
4
1837
1840
1838
1840
1843½
1844¾
+4
DM
DM
82.67
Wootton Bassett Jn
pass
1844½
pass
1849½
+5
DM
DB
89.57
Little Somerford
pass
1848½
pass
1853¾
+5
94.16
Hullavington
1
pass
1851
pass
1856
+5
99.76
Badminton
pass
1854½
pass
1858½
+4
104.40
Chipping Sodbury
pass
1857
pass
1901¼
+4
107.09
Westerleigh Jn
1
pass
1858½
pass
1903
+4
111.57
Bristol Parkway [BPW]
Pathed as Class 80x on electric from here
2
1902
1904
1902½
1904
1907¼
1909¼
+5
DB
DT
112.79
Patchway [PWY]
2
pass
1905½
pass
1910¾
+5
116.45
Pilning [PIL]
2
pass
1908
pass
1914¼
+6
118.03
Severn Tunnel East
pass
1909
pass
1915¾
+6
122.31
Severn Tunnel West
pass
1912½
pass
1919¼
+6
123.41
Severn Tunnel Junction [STJ]
1
3
pass
1913½
pass
1920¾
+7
DT
DM
125.66
Magor
pass
1915½
pass
1922¼
+6
130.72
Llanwern West Jn
pass
1919½
pass
1926
+6
131.63
East Usk Jn.
pass
1920½
pass
1926½
+6
132.55
Maindee East Jn
pass
1921
pass
1927½
+6
132.77
Maindee West Jn
pass
1921½
pass
1928¼
+6
133.31
Newport (South Wales) [NWP]
2
1923
1924
1922½
1924½
1929½
1930½
+6
DM
DM
134.13
Gaer Jn
pass
1926
pass
1932¼
+6
DM
134.68
Ebbw Jn
pass
1927
pass
1933
+6
DM
DM
138.41
Marshfield
1
pass
1929½
pass
1935¾
+6
142.42
Rumney River Bridge Jn
pass
1933
pass
1938¼
+5
143.01
Pengam Jn
pass
1933½
pass
1938¾
+5
143.46
Moorland Road Junction
pass
1934
pass
1939¼
+5
144.16
Long Dyke Jn
pass
1934½
pass
1940
+5
D
144.79
Cardiff East
pass
1936
pass
1941¼
+5
DM
D
145.11
Cardiff Central [CDF]
Pathed as Class 80x on diesel from here
3
1936
1939
1936½
1939
1942¾
1944¾
+5
D
D
145.37
Cardiff West
pass
1940
No report
146.36
Leckwith North Jn
pass
1942
pass
1947¾
+5
D
DM
149.14
St Fagans L C
pass
1944
pass
1950
+5
154.08
Miskin
pass
1948
pass
1953¾
+5
156.21
Pontyclun [PYC]
1
pass
1950
pass
1955¾
+5
156.57
Llantrisant [LTI]
pass
1950½
No report
158.53
Llanharan [LLR]
2
pass
1952
pass
1957¾
+6
161.41
Pencoed [PCD]
1
pass
1954
pass
1959¾
+5
164.42
Tremains
pass
1956½
pass
2001¾
+5
165.26
Bridgend [BGN]
1½
1
1958
1959
1957½
1959
2003¼
2004½
+5
DM
DM
169.46
Stormy
pass
2005
pass
2009½
+4
171.21
Pyle [PYL]
1
pass
2006
pass
2010¾
+4
173.45
Margam Moors Jn.
pass
2007½
pass
2011¾
+4
DM
175.12
Margam East Jn
pass
2008½
pass
2013¼
+4
176.00
Margam Middle Jn
pass
2009
pass
2013¼
+4
176.70
Port Talbot East
pass
2010
No report
177.39
Port Talbot Parkway [PTA]
1
2011
2012
2011
2012½
2015¼
2016¼
+3
179.38
Baglan [BAJ]
1
pass
2014½
pass
2019¼
+4
180.09
Briton Ferry East
pass
2015½
pass
2019½
+4
181.20
Briton Ferry [BNF]
1
pass
2016½
pass
2020¾
+4
181.38
Court Sart Jn
pass
2016½
pass
2020½
+4
183.00
Neath [NTH]
1
1
2019
2020
2018½
2020
2022½
2023½
+3
185.06
Skewen [SKE]
1
pass
2023
pass
2026½
+3
186.68
Llansamlet [LAS]
1
pass
2025½
pass
2028½
+3
189.42
Landore Junction
pass
2028½
pass
2031¼
+2
DM
DSM
190.23
Swansea Loop East
3
pass
2029½
pass
2032½
+3
190.67
Swansea [SWA]
Pathed as Class 80x on diesel from here
Service divides here, reverses here
2
2034
2049
2034
2049
2034½
2111
+22
DSM
USM
191.31
Swansea Loop East
pass
2050½
pass
2112¾
+22
USM
DSL
192.04
Swansea Loop West
pass
2053
pass
2114¾
+21
DSL
DM
194.56
Cockett West
pass
2056½
pass
2118¾
+22
196.35
Gowerton [GWN]
1
pass
2059
pass
2120¼
+21
199.78
Duffryn West
pass
2102
pass
2123
+21
200.39
Llandeilo Jn
pass
2102½
pass
2123½
+21
202.10
Llanelli [LLE]
1
2105
2106
2105
2106½
2126
2127
+20
DD
206.05
Pembrey & Burry Port [PBY]
2112
2113
2112
2113½
No report
210.64
Kidwelly Junction
pass
2118½
No report
211.22
Kidwelly [KWL]
2120
2121
2119½
2121
No report
215.41
Ferryside [FYS]
1 ½
2127
2128
2126½
2128
No report
222.00
Carmarthen Jn [XCI]
pass
2138½
pass
2155
+16
DD
222.45
Carmarthen [CMN]
2
2140
2140
2157
+17
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