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1B30 1848 London Paddington to Swansea
Departing on 9th January 2026

operated by
Great Western Railway
10 coaches
800003
800004
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
8
1848
1848
1847½
3
0.41
Royal Oak Junction
pass
1849
pass
1848½
3
2
1.28
Portobello Jn (London)
pass
1850½
pass
1849¾
1.68
Ladbroke Grove
pass
1851
pass
1850½
2
DM
2.55
Old Oak Common East
pass
1851½
pass
1851½
3.15
Old Oak Common West
pass
1852
pass
1852
3.48
Friars Jn
pass
1852½
pass
1852¼
4.16
Acton Main Line [AML]
pass
1853
pass
1853
4.75
Acton West
pass
1853½
pass
1853½
ML
ML
5.51
Ealing Broadway [EAL]
1
pass
1854
pass
1853¾
6.41
West Ealing [WEA]
pass
1854½
pass
1854¼
6.49
West Ealing Junction
pass
1854½
pass
1854¼
7.23
Hanwell [HAN]
pass
1854½
pass
1854¾
8.57
Southall East Jn
pass
1855½
pass
1855¾
9.01
Southall [STL]
1
pass
1855½
pass
1856¼
9.65
Southall West Jn
pass
1856
pass
1856¼
10.66
Hayes & Harlington [HAY]
1
pass
1856½
pass
1857
11.09
Heathrow Airport Jn
pass
1856½
pass
1856¾
ML
12.04
Stockley Junction
pass
1857
pass
1857¼
12.62
West Drayton East
pass
1857½
pass
1857½
13.12
West Drayton [WDT]
1
pass
1857½
pass
1858
13.26
West Drayton Jcn
pass
1857½
pass
1858¼
14.55
Iver [IVR]
1
pass
1858
pass
1858¾
16.13
Langley [LNY]
1
pass
1859
pass
1859¾
17.13
Dolphin Jn
pass
1859½
pass
1900
18.31
Slough [SLO]
2
pass
1900
pass
1901
+1
ML
19.06
Slough West
pass
1900½
pass
1901¼
+1
20.72
Burnham [BNM]
pass
1901½
pass
1902¼
+1
22.34
Taplow [TAP]
1
pass
1902
pass
1903
+1
23.53
Maidenhead East
pass
1902½
pass
1904
+1
24.14
Maidenhead [MAI]
1
pass
1903
pass
1904¼
+1
29.40
Ruscombe
pass
1906
pass
1906½
30.76
Twyford [TWY]
1
1
pass
1906½
pass
1907¼
ML
31.57
Twyford West
pass
1907
pass
1907¾
35.10
Kennet Bridge Jn
pass
1909½
pass
1909¾
35.56
Reading Main Line East
pass
1910
pass
1910¼
35.75
Reading [RDG]
9
1911
1913
1911
1913
1911½
1912¾
DM
DM
36.12
Reading Main Line West
pass
1913½
pass
1913¼
36.45
Reading High Level Jn
pass
1914
pass
1914¼
ML
38.29
Tilehurst East Jn.
pass
1915
pass
1915¼
38.47
Tilehurst [TLH]
1
pass
1915
pass
1915¼
41.38
Pangbourne [PAN]
pass
1917
pass
1916½
44.55
Goring & Streatley [GOR]
1
1
pass
1919
pass
1918½
ML
48.32
Cholsey [CHO]
1
pass
1921
pass
1920
51.32
Moreton Cutting
pass
1923
pass
1921½
-1
52.61
Didcot East Jn
pass
1924
pass
1922
-1
53.05
Didcot Parkway [DID]
1½
1
pass
1924
pass
1922½
-1
53.20
Didcot West End
pass
1924
No report
53.50
Foxhall Jn [XJF]
pass
1924½
pass
1922¾
-1
55.14
Milton Junction
pass
1925½
pass
1923
-2
56.27
Steventon
pass
1926½
pass
1923¾
-2
60.17
Wantage Road
pass
1929½
pass
1927¼
-2
63.75
Challow
pass
1931½
pass
1930
-1
66.34
Uffington (Oxfordshire)
1
pass
1932½
pass
1931¼
-1
72.25
Bourton
pass
1936
pass
1934¼
-1
74.46
Swindon South Marston Jn
pass
1937½
pass
1935¼
-2
75.58
Swindon Stratton Green
pass
1938
pass
1936
-1
76.27
Highworth Jn
pass
1938½
pass
1936¼
-2
76.59
Swindon East Loop
pass
1938½
pass
1937¼
-1
77.18
Swindon [SWI]
4
1939
1941
1939½
1941½
1938¼
1940¾
DM
DM
78.31
Rushey Platt
pass
1943
pass
1942¼
82.67
Wootton Bassett Jn
pass
1946
pass
1945¼
DM
DB
89.57
Little Somerford
pass
1950
pass
1949¼
94.16
Hullavington
1
pass
1952½
pass
1951¾
99.76
Badminton
pass
1956
pass
1954
-1
104.40
Chipping Sodbury
pass
1958½
pass
1957
-1
107.09
Westerleigh Jn
pass
2000
pass
1958½
-1
111.57
Bristol Parkway [BPW]
2
2002
2005
2003
2005
2002½
2004½
DB
DT
112.79
Patchway [PWY]
2
pass
2006½
pass
2006¼
116.45
Pilning [PIL]
2
pass
2009
pass
2009
118.03
Severn Tunnel East
pass
2010
pass
2010
122.31
Severn Tunnel West
1
pass
2013½
pass
2013
123.41
Severn Tunnel Junction [STJ]
3
pass
2015½
pass
2014½
DT
DM
125.66
Magor
pass
2017
pass
2016
130.72
Llanwern West Jn
1½
pass
2020½
pass
2019¾
131.63
East Usk Jn.
pass
2022
pass
2020¼
-1
132.55
Maindee East Jn
pass
2023½
pass
2021
-2
ML
132.77
Maindee West Jn
pass
2024
pass
2021¾
-2
133.31
Newport (South Wales) [NWP]
2
2024
2026
2025
2026½
2023
2025¾
DM
DM
134.13
Gaer Jn
pass
2028
pass
2027½
DM
134.68
Ebbw Jn
pass
2029
pass
2028¼
DM
DM
138.41
Marshfield
pass
2031½
pass
2031
142.42
Rumney River Bridge Jn
pass
2034½
pass
2033¼
143.01
Pengam Jn
pass
2034½
pass
2033¾
143.46
Moorland Road Junction
1
pass
2035
pass
2034½
DM
DR
144.16
Long Dyke Jn
pass
2036½
pass
2035
-1
E
144.79
Cardiff East
pass
2038
pass
2036
-2
DR
E
145.11
Cardiff Central [CDF]
Pathed as Class 80x on diesel from here
3
2038
2041
2039
2041
2037½
2040½
E
D
145.37
Cardiff West
pass
2042
No report
146.36
Leckwith North Jn
pass
2044
pass
2043¼
D
DM
149.14
St Fagans L C
pass
2046
pass
2045½
154.08
Miskin
pass
2050
pass
2049½
156.21
Pontyclun [PYC]
1
pass
2052
pass
2051¼
156.57
Llantrisant [LTI]
pass
2052½
No report
158.53
Llanharan [LLR]
2
pass
2054
pass
2053½
161.41
Pencoed [PCD]
1
pass
2056
pass
2055½
164.42
Tremains
pass
2058½
pass
2057¼
165.26
Bridgend [BGN]
1
2100
2101
2059½
2101
2059
2101
DM
DM
169.46
Stormy
pass
2105½
pass
2105¾
171.21
Pyle [PYL]
1
pass
2106½
pass
2106¾
173.45
Margam Moors Jn.
pass
2108
pass
2108
DM
175.12
Margam East Jn
pass
2109
pass
2109¼
176.00
Margam Middle Jn
pass
2109½
pass
2109½
176.70
Port Talbot East
pass
2110½
No report
177.39
Port Talbot Parkway [PTA]
1
2112
2113
2111½
2113
2111½
2112
179.38
Baglan [BAJ]
1
pass
2115
pass
2114¾
180.09
Briton Ferry East
pass
2116
pass
2115
181.20
Briton Ferry [BNF]
1
pass
2117
pass
2116¼
181.38
Court Sart Jn
pass
2117
pass
2116¼
183.00
Neath [NTH]
1
1
2119
2120
2119
2120½
2118
2119
-1
185.06
Skewen [SKE]
1
pass
2123½
pass
2121¾
-1
186.68
Llansamlet [LAS]
1
pass
2126
pass
2123¾
-1
189.42
Landore Junction
pass
2129
pass
2126¼
-2
DM
DSM
190.23
Swansea Loop East
pass
2130
pass
2127¾
-2
190.67
Swansea [SWA]
2
2132
2132
2129¾
-2
DSM
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