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1B24 1648 London Paddington to Swansea
Departing on 17th December 2025

operated by
Great Western Railway
10 coaches
800031
800016
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
forms from 5B24 from North Pole Iep Depot and forms from 1L22 from Swansea
1
1648
1648
1647½
1
0.41
Royal Oak Junction
pass
1649
pass
1648¾
1.28
Portobello Jn (London)
pass
1650
pass
1650
1.68
Ladbroke Grove
pass
1651
pass
1650½
1
DM
2.55
Old Oak Common East
pass
1651½
pass
1651½
3.15
Old Oak Common West
pass
1652
pass
1652
3.48
Friars Jn
pass
1652½
pass
1652
4.16
Acton Main Line [AML]
pass
1653
pass
1652¾
4.75
Acton West
pass
1653½
pass
1653
ML
ML
5.51
Ealing Broadway [EAL]
1
pass
1654
pass
1653½
6.41
West Ealing [WEA]
pass
1654½
pass
1654
6.49
West Ealing Junction
pass
1654½
pass
1654
7.23
Hanwell [HAN]
pass
1654½
pass
1654¼
8.57
Southall East Jn
pass
1655½
pass
1655
9.01
Southall [STL]
1
pass
1655½
pass
1655½
9.65
Southall West Jn
pass
1656
pass
1655½
10.66
Hayes & Harlington [HAY]
1
pass
1656½
pass
1656¼
11.09
Heathrow Airport Jn
pass
1656½
pass
1656
ML
12.04
Stockley Junction
pass
1657
pass
1656½
12.62
West Drayton East
pass
1657½
pass
1657
13.12
West Drayton [WDT]
1
pass
1657½
pass
1657½
13.26
West Drayton Jcn
pass
1657½
pass
1657½
14.55
Iver [IVR]
1
pass
1658
pass
1658
16.13
Langley [LNY]
1
pass
1659
pass
1659
17.13
Dolphin Jn
pass
1659½
pass
1659¼
18.31
Slough [SLO]
2
pass
1700
pass
1659¾
ML
19.06
Slough West
pass
1700½
pass
1700
20.72
Burnham [BNM]
pass
1701½
pass
1701
22.34
Taplow [TAP]
1
pass
1702
pass
1701¾
23.53
Maidenhead East
pass
1702½
pass
1702½
24.14
Maidenhead [MAI]
1
pass
1703
pass
1703
29.40
Ruscombe
pass
1706
pass
1705
30.76
Twyford [TWY]
1
1
pass
1706½
pass
1705¾
ML
31.57
Twyford West
pass
1707
pass
1706¼
35.10
Kennet Bridge Jn
pass
1709½
pass
1708¼
-1
35.56
Reading Main Line East
pass
1710
pass
1708¾
-1
35.75
Reading [RDG]
9
1711
1713
1711
1713
1710
1712¾
DM
DM
36.12
Reading Main Line West
pass
1713½
pass
1713½
36.45
Reading High Level Jn
pass
1714
pass
1714½
ML
38.29
Tilehurst East Jn.
pass
1715
pass
1715½
38.47
Tilehurst [TLH]
1
pass
1715
pass
1715½
41.38
Pangbourne [PAN]
pass
1717
pass
1716¾
44.55
Goring & Streatley [GOR]
1
1
pass
1719
pass
1718¾
ML
48.32
Cholsey [CHO]
1
pass
1721
pass
1720¼
51.32
Moreton Cutting
pass
1723
pass
1721½
-1
52.61
Didcot East Jn
pass
1724
pass
1722¼
-1
53.05
Didcot Parkway [DID]
2
1
pass
1724
pass
1722¾
-1
53.20
Didcot West End
pass
1724
No report
53.50
Foxhall Jn [XJF]
pass
1724½
pass
1723
-1
55.14
Milton Junction
pass
1726
pass
1723¼
-2
56.27
Steventon
pass
1726½
pass
1724
-2
60.17
Wantage Road
pass
1730
pass
1727½
-2
63.75
Challow
pass
1732
pass
1729¾
-2
66.34
Uffington (Oxfordshire)
1
pass
1733
pass
1732¼
72.25
Bourton
pass
1736½
pass
1738¼
+1
74.46
Swindon South Marston Jn
pass
1738
pass
1740¾
+2
75.58
Swindon Stratton Green
pass
1738½
pass
1743
+4
76.27
Highworth Jn
pass
1739
pass
1743½
+4
76.59
Swindon East Loop
pass
1739
pass
1744½
+5
77.18
Swindon [SWI]
4
1739
1742
1740
1742
1745½
1746¾
+4
DM
DM
82.67
Wootton Bassett Jn
pass
1746½
pass
1751¼
+4
DM
DB
89.57
Little Somerford
pass
1750½
pass
1755½
+5
94.16
Hullavington
1
pass
1753
pass
1757¾
+4
99.76
Badminton
pass
1756½
pass
1800¼
+4
104.40
Chipping Sodbury
pass
1759
pass
1803¼
+4
107.09
Westerleigh Jn
pass
1800½
pass
1804¾
+4
111.57
Bristol Parkway [BPW]
2
1803
1805
1803½
1805½
1809
1811
+5
DB
DT
112.79
Patchway [PWY]
2
pass
1807
pass
1812½
+5
116.45
Pilning [PIL]
½
2
pass
1809½
pass
1815½
+6
118.03
Severn Tunnel East
pass
1811
pass
1816¼
+5
122.31
Severn Tunnel West
pass
1814½
pass
1819½
+5
123.41
Severn Tunnel Junction [STJ]
3
pass
1815½
pass
1821
+5
DT
DM
125.66
Magor
pass
1817
pass
1822½
+5
130.72
Llanwern West Jn
pass
1820½
pass
1826
+5
131.63
East Usk Jn.
pass
1821
pass
1826½
+5
132.55
Maindee East Jn
pass
1822
pass
1827½
+5
ML
132.77
Maindee West Jn
pass
1822½
pass
1828¼
+5
133.31
Newport (South Wales) [NWP]
2
1824
1825
1823½
1825
1829½
1830½
+5
DM
DM
134.13
Gaer Jn
pass
1826½
pass
1832
+5
DM
134.68
Ebbw Jn
pass
1827½
pass
1832¾
+5
DM
DM
138.41
Marshfield
pass
1830
pass
1835½
+5
142.42
Rumney River Bridge Jn
pass
1833
pass
1837¾
+5
143.01
Pengam Jn
pass
1833
pass
1838¼
+5
143.46
Moorland Road Junction
1
pass
1833½
pass
1839
+5
DM
DR
144.16
Long Dyke Jn
pass
1835
pass
1839¾
+4
E
144.79
Cardiff East
pass
1836½
pass
1840¾
+4
DR
E
145.11
Cardiff Central [CDF]
Pathed as Class 80x on diesel from here
3
1837
1839
1837½
1839½
1842
1843½
+4
E
D
145.37
Cardiff West
pass
1840½
No report
146.36
Leckwith North Jn
pass
1842½
pass
1846½
+4
D
DM
149.14
St Fagans L C
pass
1844½
pass
1849
+4
154.08
Miskin
pass
1848½
pass
1853
+4
156.21
Pontyclun [PYC]
1
pass
1850½
pass
1854¾
+4
156.57
Llantrisant [LTI]
pass
1851
No report
158.53
Llanharan [LLR]
2
pass
1852½
pass
1857
+4
161.41
Pencoed [PCD]
1
pass
1854½
pass
1858¾
+4
164.42
Tremains
pass
1857
pass
1900¾
+4
165.26
Bridgend [BGN]
1
1858
1859
1858
1859½
1902½
1903¾
+4
DM
DM
169.46
Stormy
pass
1904
pass
1909¼
+5
171.21
Pyle [PYL]
1
pass
1905
pass
1910½
+5
173.45
Margam Moors Jn.
pass
1906½
pass
1911¾
+5
DM
175.12
Margam East Jn
pass
1907½
pass
1913
+5
176.00
Margam Middle Jn
pass
1908
pass
1913¼
+5
176.70
Port Talbot East
pass
1909
No report
177.39
Port Talbot Parkway [PTA]
1
1910
1911
1910
1911½
1915¼
1916
+4
179.38
Baglan [BAJ]
1
pass
1913½
pass
1919
+5
180.09
Briton Ferry East
pass
1914½
pass
1919¼
+5
181.20
Briton Ferry [BNF]
1
pass
1915½
pass
1920¾
+5
181.38
Court Sart Jn
pass
1915½
pass
1920½
+5
183.00
Neath [NTH]
1
1
1918
1919
1917½
1919
1922½
1923¾
+4
185.06
Skewen [SKE]
1
pass
1922
pass
1927
+4
186.68
Llansamlet [LAS]
1
pass
1924½
pass
1929
+4
189.42
Landore Junction
pass
1927½
pass
1931¾
+4
DM
DSM
190.23
Swansea Loop East
pass
1928½
pass
1933
+4
190.67
Swansea [SWA]
forms 1L36 to London Paddington and forms 5B24 to Swansea Maliphant Iep Dpt
3
1930
1930
1935¼
+5
DSM
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