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1B21 1548 London Paddington to Swansea
Departing on 9th December 2024

operated by
Great Western Railway
5 coaches
800029
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
10
1548
1548
1552½
+4
5
0.41
Royal Oak Junction
pass
1549
pass
1554¼
+5
1.28
Portobello Jn (London)
pass
1550½
pass
1555¾
+5
1.68
Ladbroke Grove
pass
1551
pass
1556¾
+5
5
DR
2.55
Old Oak Common East
pass
1551½
pass
1557¾
+6
3.15
Old Oak Common West
pass
1552
pass
1558¼
+6
3.48
Friars Jn
pass
1552½
pass
1558¾
+6
4.16
Acton Main Line [AML]
3
pass
1553
pass
1600¼
+7
4.75
Acton West
pass
1553½
pass
1601½
+8
DR
DM
5.51
Ealing Broadway [EAL]
1
pass
1554
pass
1602
+8
6.41
West Ealing [WEA]
pass
1554½
pass
1603¼
+8
6.49
West Ealing Junction
pass
1554½
pass
1603¼
+8
7.23
Hanwell [HAN]
pass
1554½
pass
1603½
+9
8.57
Southall East Jn
pass
1555½
pass
1604½
+9
9.01
Southall [STL]
1
pass
1555½
pass
1605
+9
9.65
Southall West Jn
pass
1556
pass
1605
+9
10.66
Hayes & Harlington [HAY]
1
pass
1556½
pass
1606
+9
11.09
Heathrow Airport Jn
pass
1556½
pass
1605¾
+9
ML
12.04
Stockley Junction
pass
1557
pass
1606¼
+9
12.62
West Drayton East
pass
1557½
pass
1606¾
+9
13.12
West Drayton [WDT]
1
pass
1557½
pass
1607¼
+9
13.26
West Drayton Jcn
pass
1557½
pass
1607¼
+9
14.55
Iver [IVR]
1
pass
1558
pass
1607¾
+9
16.13
Langley [LNY]
1
pass
1559
pass
1608¾
+9
17.13
Dolphin Jn
pass
1559½
pass
1609
+9
18.31
Slough [SLO]
2
pass
1600
pass
1609½
+9
DD
19.06
Slough West
pass
1600½
pass
1609¾
+9
20.72
Burnham [BNM]
pass
1601½
pass
1610½
+9
22.34
Taplow [TAP]
1
pass
1602
pass
1611½
+9
23.53
Maidenhead East
pass
1602½
pass
1612¼
+9
24.14
Maidenhead [MAI]
1
pass
1603
pass
1612¾
+9
29.40
Ruscombe
pass
1606
pass
1614¾
+9
30.76
Twyford [TWY]
1
1
pass
1606½
pass
1615½
+9
ML
31.57
Twyford West
pass
1607
pass
1616
+9
35.10
Kennet Bridge Jn
pass
1609½
pass
1618½
+9
35.56
Reading Main Line East
pass
1610
pass
1619½
+9
35.75
Reading [RDG]
8
1611
1613
1611
1613
1620½
1623
+10
DM
DM
36.12
Reading Main Line West
pass
1613½
pass
1623¾
+10
36.45
Reading High Level Jn
pass
1614
pass
1624¾
+10
ML
38.29
Tilehurst East Jn.
pass
1615
pass
1625¾
+10
38.47
Tilehurst [TLH]
1
pass
1615
pass
1625¾
+10
41.38
Pangbourne [PAN]
pass
1617
pass
1627¼
+10
44.55
Goring & Streatley [GOR]
1
1
pass
1619
pass
1629
+10
ML
48.32
Cholsey [CHO]
1
pass
1621
pass
1630¾
+9
51.32
Moreton Cutting
pass
1623
pass
1633½
+10
52.61
Didcot East Jn
pass
1624
pass
1634½
+10
53.05
Didcot Parkway [DID]
1
pass
1624
pass
1635¼
+11
53.20
Didcot West End
pass
1624
No report
53.50
Foxhall Jn [XJF]
pass
1624½
pass
1635½
+11
55.14
Milton Junction
pass
1625
pass
1636
+10
56.27
Steventon
pass
1626
pass
1636¾
+11
60.17
Wantage Road
pass
1628
pass
1639¾
+11
63.75
Challow
pass
1630
pass
1643¼
+13
66.34
Uffington (Oxfordshire)
1 ½
pass
1631
pass
1646¼
+15
72.25
Bourton
pass
1635
pass
1651
+16
74.46
Swindon South Marston Jn
pass
1636½
pass
1653¾
+17
75.58
Swindon Stratton Green
pass
1637
pass
1656
+19
76.27
Highworth Jn
pass
1637½
pass
1656¾
+19
76.59
Swindon East Loop
pass
1637½
pass
1658
+20
77.18
Swindon [SWI]
4
1638
1640
1638½
1640½
1659¼
1701
+20
DM
DM
82.67
Wootton Bassett Jn
pass
1645
pass
1705¾
+20
DM
DB
89.57
Little Somerford
pass
1649
pass
1710
+21
94.16
Hullavington
1
pass
1651½
pass
1712½
+21
99.76
Badminton
pass
1655
pass
1715
+20
104.40
Chipping Sodbury
pass
1657½
pass
1718¾
+21
107.09
Westerleigh Jn
½
pass
1659
pass
1720¾
+21
111.57
Bristol Parkway [BPW]
2
1702
1704
1702½
1704
1725¼
1728¼
+24
DB
DT
112.79
Patchway [PWY]
2
pass
1705½
pass
1730¼
+24
116.45
Pilning [PIL]
2
pass
1708
pass
1733¼
+25
118.03
Severn Tunnel East
pass
1709
pass
1734¼
+25
122.31
Severn Tunnel West
pass
1712½
pass
1737½
+25
123.41
Severn Tunnel Junction [STJ]
3
pass
1713½
pass
1739
+25
DT
DM
125.66
Magor
pass
1715
pass
1740½
+25
130.72
Llanwern West Jn
pass
1718½
pass
1744¼
+25
131.63
East Usk Jn.
pass
1719½
pass
1745
+25
132.55
Maindee East Jn
pass
1720
pass
1746
+25
132.77
Maindee West Jn
pass
1720½
pass
1746¾
+26
133.31
Newport (South Wales) [NWP]
2
1721
1724
1721½
1724½
1748
1749½
+25
DM
DM
134.13
Gaer Jn
pass
1726
pass
1751
+25
DM
134.68
Ebbw Jn
pass
1727
pass
1752
+25
DM
DM
138.41
Marshfield
1 1
pass
1729½
pass
1754¾
+25
142.42
Rumney River Bridge Jn
pass
1733½
pass
1757
+23
143.01
Pengam Jn
pass
1734
pass
1757½
+23
143.46
Moorland Road Junction
pass
1735
pass
1758
+23
144.16
Long Dyke Jn
½
pass
1735½
pass
1759
+23
E
144.79
Cardiff East
pass
1737
pass
1800
+23
DM
E
145.11
Cardiff Central [CDF]
1
Pathed as Class 80x on diesel from here
3
1737
1741
1738
1741
1805¼
1809½
+28
E
D
145.37
Cardiff West
pass
1742½
No report
146.36
Leckwith North Jn
pass
1745
pass
1812½
+27
D
DM
149.14
St Fagans L C
pass
1747
pass
1814¾
+27
154.08
Miskin
pass
1751
pass
1818¾
+27
156.21
Pontyclun [PYC]
1
pass
1753
pass
1820¾
+27
156.57
Llantrisant [LTI]
pass
1753½
No report
158.53
Llanharan [LLR]
2
pass
1755
pass
1823
+28
161.41
Pencoed [PCD]
1
pass
1757
pass
1824¾
+27
164.42
Tremains
pass
1759½
pass
1826¾
+27
165.26
Bridgend [BGN]
1
1801
1802
1800½
1802
1828½
1830½
+28
DM
DM
169.46
Stormy
½
pass
1806½
pass
1835
+28
171.21
Pyle [PYL]
1
pass
1808
pass
1836¼
+28
173.45
Margam Moors Jn.
pass
1809½
pass
1837¼
+27
DM
175.12
Margam East Jn
pass
1810½
pass
1838¾
+28
176.00
Margam Middle Jn
pass
1811
pass
1839
+27
176.70
Port Talbot East
pass
1812
No report
177.39
Port Talbot Parkway [PTA]
1
1813
1814
1813
1814½
1841¼
1842½
+28
179.38
Baglan [BAJ]
1
pass
1816½
pass
1845¼
+28
180.09
Briton Ferry East
pass
1817½
pass
1845½
+28
181.20
Briton Ferry [BNF]
1
pass
1818½
pass
1846¾
+28
181.38
Court Sart Jn
pass
1818½
pass
1846½
+28
183.00
Neath [NTH]
1
1
1821
1822
1820½
1822
1848½
1850½
+28
185.06
Skewen [SKE]
1
pass
1825
pass
1853½
+28
186.68
Llansamlet [LAS]
1
pass
1827½
pass
1856
+28
189.42
Landore Junction
pass
1830½
pass
1859¾
+29
DM
DSM
190.23
Swansea Loop East
pass
1831½
pass
1901
+29
190.67
Swansea [SWA]
3
1833
1833
1903
+30
DSM
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