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1B21 1548 London Paddington to Swansea
Departing on 2nd November 2024

operated by
Great Western Railway
10 coaches
800006
800019
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
1548
1548
1547¾
3
0.41
Royal Oak Junction
pass
1549
pass
1549
3
2
1.28
Portobello Jn (London)
pass
1550½
pass
1550¼
1.68
Ladbroke Grove
pass
1551
pass
1551
2
DM
2.55
Old Oak Common East
pass
1551½
pass
1552
3.15
Old Oak Common West
pass
1552
pass
1552½
3.48
Friars Jn
pass
1552½
pass
1552½
4.16
Acton Main Line [AML]
pass
1553
pass
1553¼
4.75
Acton West
pass
1553½
pass
1553½
ML
ML
5.51
Ealing Broadway [EAL]
1
pass
1554
pass
1554
6.41
West Ealing [WEA]
pass
1554½
pass
1554½
6.49
West Ealing Junction
pass
1554½
pass
1554½
7.23
Hanwell [HAN]
pass
1554½
pass
1554¾
8.57
Southall East Jn
pass
1555½
pass
1555½
9.01
Southall [STL]
1
pass
1555½
pass
1556
9.65
Southall West Jn
pass
1556
pass
1556
10.66
Hayes & Harlington [HAY]
1
pass
1556½
pass
1556¾
11.09
Heathrow Airport Jn
pass
1556½
pass
1556½
ML
12.04
Stockley Junction
pass
1557
pass
1557
12.62
West Drayton East
pass
1557½
pass
1557½
13.12
West Drayton [WDT]
1
pass
1557½
pass
1558
13.26
West Drayton Jcn
pass
1557½
pass
1558
14.55
Iver [IVR]
1
pass
1558
pass
1558½
16.13
Langley [LNY]
1
pass
1559
pass
1559½
17.13
Dolphin Jn
pass
1559½
pass
1559¾
18.31
Slough [SLO]
2
pass
1600
pass
1600¼
ML
19.06
Slough West
pass
1600½
pass
1600½
20.72
Burnham [BNM]
pass
1601½
pass
1601¼
22.34
Taplow [TAP]
1
pass
1602
pass
1602
23.53
Maidenhead East
pass
1602½
pass
1603
24.14
Maidenhead [MAI]
1
pass
1603
pass
1603¼
29.40
Ruscombe
pass
1606
pass
1606¾
+1
DM
DR
30.76
Twyford [TWY]
1
3
pass
1606½
pass
1608
+1
ML
31.57
Twyford West
pass
1607
pass
1608½
+1
35.10
Kennet Bridge Jn
pass
1609½
pass
1611½
+2
DR
DM
35.56
Reading Main Line East
pass
1610
pass
1612¼
+2
35.75
Reading [RDG]
9
1611
1613
1611
1613
1613¼
1616½
+3
DM
DM
36.12
Reading Main Line West
pass
1613½
pass
1617
+3
36.45
Reading High Level Jn
pass
1614
pass
1618
+4
ML
38.29
Tilehurst East Jn.
pass
1615
pass
1619
+4
38.47
Tilehurst [TLH]
1
pass
1615
pass
1619¼
+4
41.38
Pangbourne [PAN]
pass
1617
pass
1620¾
+3
44.55
Goring & Streatley [GOR]
1
1
pass
1619
pass
1622½
+3
ML
48.32
Cholsey [CHO]
1
pass
1621
pass
1624¼
+3
51.32
Moreton Cutting
pass
1623
pass
1625½
+2
52.61
Didcot East Jn
pass
1624
pass
1626¼
+2
53.05
Didcot Parkway [DID]
1
pass
1624
pass
1626¾
+2
53.20
Didcot West End
pass
1624
No report
53.50
Foxhall Jn [XJF]
pass
1624½
pass
1627
+2
55.14
Milton Junction
pass
1625
pass
1627¼
+2
56.27
Steventon
pass
1626
pass
1628
+2
60.17
Wantage Road
pass
1628
pass
1630¼
+2
63.75
Challow
pass
1630
pass
1632
+2
66.34
Uffington (Oxfordshire)
1
pass
1631
pass
1633
+2
72.25
Bourton
pass
1634½
pass
1636
+1
74.46
Swindon South Marston Jn
pass
1636
pass
1637
+1
75.58
Swindon Stratton Green
pass
1636½
pass
1637¾
+1
76.27
Highworth Jn
pass
1637
pass
1638
+1
76.59
Swindon East Loop
pass
1637
pass
1639¼
+2
77.18
Swindon [SWI]
4
1638
1640
1638
1640
1639¾
1641
+1
DM
DM
82.67
Wootton Bassett Jn
pass
1644½
pass
1645½
+1
DM
DB
89.57
Little Somerford
pass
1648½
pass
1649¾
+1
94.16
Hullavington
1
pass
1651
pass
1652¼
+1
99.76
Badminton
pass
1654½
pass
1654½
104.40
Chipping Sodbury
pass
1657
pass
1656¾
107.09
Westerleigh Jn
pass
1658½
pass
1658½
111.57
Bristol Parkway [BPW]
½
2
1702
1704
1701½
1704
1702¼
1704¼
DB
DT
112.79
Patchway [PWY]
2
pass
1706
pass
1707¼
+1
116.45
Pilning [PIL]
2
pass
1708½
pass
1710½
+2
118.03
Severn Tunnel East
pass
1709½
pass
1711½
+2
122.31
Severn Tunnel West
pass
1713
pass
1714¾
+1
123.41
Severn Tunnel Junction [STJ]
3
pass
1714
pass
1716¼
+2
DT
DM
125.66
Magor
pass
1715½
pass
1717¾
+2
130.72
Llanwern West Jn
pass
1719
pass
1721½
+2
131.63
East Usk Jn.
pass
1720
pass
1722¼
+2
132.55
Maindee East Jn
pass
1720½
pass
1723½
+3
132.77
Maindee West Jn
pass
1721
pass
1726¼
+5
133.31
Newport (South Wales) [NWP]
2
1722
1724
1722
1724½
1727¾
1729¾
+5
DM
DM
134.13
Gaer Jn
pass
1726
pass
1731½
+5
DM
134.68
Ebbw Jn
pass
1727
pass
1732½
+5
DM
DM
138.41
Marshfield
1
pass
1729½
pass
1735¾
+6
142.42
Rumney River Bridge Jn
pass
1733
pass
1738½
+5
143.01
Pengam Jn
pass
1733½
pass
1739
+5
143.46
Moorland Road Junction
pass
1734
pass
1739¾
+5
DM
DR
144.16
Long Dyke Jn
pass
1734½
pass
1740½
+6
E
144.79
Cardiff East
pass
1736
pass
1741½
+5
DR
E
145.11
Cardiff Central [CDF]
Pathed as Class 80x on diesel from here
3
1737
1739
1736½
1739½
1743
1746¾
+7
E
D
145.37
Cardiff West
pass
1740½
No report
146.36
Leckwith North Jn
pass
1742½
pass
1749¾
+7
D
DM
149.14
St Fagans L C
pass
1744½
pass
1752
+7
154.08
Miskin
pass
1748½
pass
1756¼
+7
156.21
Pontyclun [PYC]
1
pass
1750½
pass
1758¼
+7
156.57
Llantrisant [LTI]
pass
1751
No report
158.53
Llanharan [LLR]
2
pass
1752½
pass
1800½
+8
161.41
Pencoed [PCD]
1
pass
1754½
pass
1802½
+7
164.42
Tremains
pass
1757
pass
1804½
+7
165.26
Bridgend [BGN]
1
1758
1759
1758
1759½
1806¼
1808¼
+8
DM
DM
169.46
Stormy
pass
1804
pass
1813
+9
171.21
Pyle [PYL]
1
pass
1805
pass
1814¼
+9
173.45
Margam Moors Jn.
pass
1806½
pass
1815½
+9
DM
175.12
Margam East Jn
pass
1807½
pass
1816¾
+9
176.00
Margam Middle Jn
pass
1808
pass
1817
+8
176.70
Port Talbot East
pass
1809
No report
177.39
Port Talbot Parkway [PTA]
1
1810
1811
1810
1811½
1819¼
1821½
+10
179.38
Baglan [BAJ]
1
pass
1813½
pass
1824¼
+10
180.09
Briton Ferry East
pass
1814½
pass
1824½
+10
181.20
Briton Ferry [BNF]
1
pass
1815½
pass
1825¾
+10
181.38
Court Sart Jn
pass
1815½
pass
1825½
+10
183.00
Neath [NTH]
1
1
1818
1819
1817½
1819
1827¼
1829
+10
185.06
Skewen [SKE]
1
pass
1822
pass
1832
+10
186.68
Llansamlet [LAS]
1
pass
1824½
pass
1834
+9
189.42
Landore Junction
pass
1827½
pass
1836¾
+9
DM
DSM
190.23
Swansea Loop East
pass
1828½
pass
1838¼
+9
190.67
Swansea [SWA]
3
1830
1830
1840½
+10
DSM
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