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

operated by
Great Western Railway
9 coaches
802107
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
9
1548
1548
1547½
3
0.41
Royal Oak Junction
pass
1549
pass
1548¾
3
2
1.28
Portobello Jn (London)
pass
1550½
pass
1550
1.68
Ladbroke Grove
pass
1551
pass
1550¾
2
DM
2.55
Old Oak Common East
pass
1551½
pass
1551¾
3.15
Old Oak Common West
pass
1552
pass
1552¼
3.48
Friars Jn
pass
1552½
pass
1552½
4.16
Acton Main Line [AML]
pass
1553
pass
1553
4.75
Acton West
pass
1553½
pass
1553½
ML
ML
5.51
Ealing Broadway [EAL]
1
pass
1554
pass
1553¾
6.41
West Ealing [WEA]
pass
1554½
pass
1554¼
6.49
West Ealing Junction
pass
1554½
pass
1554¼
7.23
Hanwell [HAN]
pass
1554½
pass
1554½
8.57
Southall East Jn
pass
1555½
pass
1555¼
9.01
Southall [STL]
1
pass
1555½
pass
1555¾
9.65
Southall West Jn
pass
1556
pass
1555¾
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
1556¾
12.62
West Drayton East
pass
1557½
pass
1557¼
13.12
West Drayton [WDT]
1
pass
1557½
pass
1557¾
13.26
West Drayton Jcn
pass
1557½
pass
1557¾
14.55
Iver [IVR]
1
pass
1558
pass
1558¼
16.13
Langley [LNY]
1
pass
1559
pass
1559¼
17.13
Dolphin Jn
pass
1559½
pass
1559¾
18.31
Slough [SLO]
2
pass
1600
pass
1600¼
DD
19.06
Slough West
pass
1600½
No report
20.72
Burnham [BNM]
pass
1601½
pass
1601¼
22.34
Taplow [TAP]
1
pass
1602
pass
1602
23.53
Maidenhead East
pass
1602½
pass
1602¾
24.14
Maidenhead [MAI]
1
pass
1603
pass
1603¼
29.40
Ruscombe
pass
1606
pass
1605½
30.76
Twyford [TWY]
1
1
pass
1606½
pass
1606¼
ML
31.57
Twyford West
pass
1607
pass
1606½
35.10
Kennet Bridge Jn
pass
1609½
pass
1608¾
35.56
Reading Main Line East
pass
1610
pass
1609¼
35.75
Reading [RDG]
9
1611
1613
1611
1613
1610¼
1612½
DM
DM
36.12
Reading Main Line West
pass
1613½
pass
1613¼
36.45
Reading High Level Jn
pass
1614
pass
1614
ML
38.29
Tilehurst East Jn.
pass
1615
pass
1615¼
38.47
Tilehurst [TLH]
1
pass
1615
pass
1615¼
41.38
Pangbourne [PAN]
pass
1617
pass
1616½
44.55
Goring & Streatley [GOR]
1
1
pass
1619
pass
1618½
ML
48.32
Cholsey [CHO]
1
pass
1621
pass
1620
-1
51.32
Moreton Cutting
pass
1623
pass
1621¼
-1
52.61
Didcot East Jn
pass
1624
pass
1622
-1
53.05
Didcot Parkway [DID]
1
pass
1624
pass
1622½
-1
53.20
Didcot West End
pass
1624
No report
53.50
Foxhall Jn [XJF]
pass
1624½
pass
1622½
-1
55.14
Milton Junction
pass
1625
pass
1623
-2
56.27
Steventon
pass
1626
pass
1623¾
-1
60.17
Wantage Road
pass
1628
pass
1625¾
-2
63.75
Challow
pass
1630
pass
1627½
-2
66.34
Uffington (Oxfordshire)
1 ½
pass
1631
pass
1628¾
-2
72.25
Bourton
pass
1635
pass
1631½
-3
74.46
Swindon South Marston Jn
pass
1636½
pass
1632¾
-3
75.58
Swindon Stratton Green
pass
1637
pass
1633½
-3
76.27
Highworth Jn
pass
1637½
pass
1633½
-3
76.59
Swindon East Loop
pass
1637½
pass
1634¾
-2
77.18
Swindon [SWI]
4
1638
1640
1638½
1640½
1635½
1639½
DM
DM
82.67
Wootton Bassett Jn
pass
1645
pass
1644¼
DM
DB
89.57
Little Somerford
pass
1649
pass
1648½
94.16
Hullavington
1
pass
1651½
pass
1651
99.76
Badminton
pass
1655
pass
1653½
-1
104.40
Chipping Sodbury
pass
1657½
pass
1655¾
-1
107.09
Westerleigh Jn
½
pass
1659
pass
1658
111.57
Bristol Parkway [BPW]
2
1702
1704
1702½
1704
1702¾
1705
+1
DB
DT
112.79
Patchway [PWY]
2
pass
1705½
pass
1706¾
+1
116.45
Pilning [PIL]
2
pass
1708
pass
1709½
+1
118.03
Severn Tunnel East
pass
1709
pass
1710¾
+1
122.31
Severn Tunnel West
pass
1712½
pass
1714
+1
123.41
Severn Tunnel Junction [STJ]
3
pass
1713½
pass
1715½
+2
DT
DM
125.66
Magor
pass
1715
pass
1717
+2
130.72
Llanwern West Jn
pass
1718½
pass
1721
+2
131.63
East Usk Jn.
pass
1719½
pass
1721½
+2
132.55
Maindee East Jn
pass
1720
pass
1722½
+2
132.77
Maindee West Jn
pass
1720½
pass
1723¼
+2
133.31
Newport (South Wales) [NWP]
2
1721
1724
1721½
1724½
1724½
1727¼
+2
DM
DM
134.13
Gaer Jn
pass
1726
pass
1729
+3
DM
134.68
Ebbw Jn
pass
1727
pass
1729¾
+2
DM
DM
138.41
Marshfield
1 1
pass
1729½
pass
1732¾
+3
142.42
Rumney River Bridge Jn
pass
1733½
pass
1735
+1
143.01
Pengam Jn
pass
1734
pass
1735½
+1
143.46
Moorland Road Junction
pass
1735
pass
1736
+1
144.16
Long Dyke Jn
½
pass
1735½
pass
1737
+1
E
144.79
Cardiff East
pass
1737
pass
1738
+1
DM
E
145.11
Cardiff Central [CDF]
1
Pathed as Class 80x on diesel from here
3
1737
1741
1738
1741
1741
1742¾
+1
E
D
145.37
Cardiff West
pass
1742½
No report
146.36
Leckwith North Jn
pass
1745
pass
1746¼
+1
D
DM
149.14
St Fagans L C
pass
1747
pass
1748½
+1
154.08
Miskin
pass
1751
pass
1752½
+1
156.21
Pontyclun [PYC]
1
pass
1753
pass
1754½
+1
156.57
Llantrisant [LTI]
pass
1753½
No report
158.53
Llanharan [LLR]
2
pass
1755
pass
1756½
+1
161.41
Pencoed [PCD]
1
pass
1757
pass
1758½
+1
164.42
Tremains
pass
1759½
pass
1800½
+1
165.26
Bridgend [BGN]
1
1801
1802
1800½
1802
1802¼
1803½
+1
DM
DM
169.46
Stormy
½
pass
1806½
pass
1808¼
+1
171.21
Pyle [PYL]
1
pass
1808
pass
1809¼
+1
173.45
Margam Moors Jn.
pass
1809½
pass
1810½
+1
DM
175.12
Margam East Jn
pass
1810½
pass
1811¾
+1
176.00
Margam Middle Jn
pass
1811
pass
1812
176.70
Port Talbot East
pass
1812
No report
177.39
Port Talbot Parkway [PTA]
1
1813
1814
1813
1814½
1814¼
1815¼
179.38
Baglan [BAJ]
1
pass
1816½
pass
1818
+1
180.09
Briton Ferry East
pass
1817½
pass
1818¼
181.20
Briton Ferry [BNF]
1
pass
1818½
pass
1819¼
+1
181.38
Court Sart Jn
pass
1818½
pass
1819¼
183.00
Neath [NTH]
1
1
1821
1822
1820½
1822
1821
1824¾
+2
185.06
Skewen [SKE]
1
pass
1825
pass
1827½
+2
186.68
Llansamlet [LAS]
1
pass
1827½
pass
1829½
+2
189.42
Landore Junction
pass
1830½
pass
1832¼
+1
DM
DSM
190.23
Swansea Loop East
pass
1831½
pass
1833½
+2
190.67
Swansea [SWA]
2
1833
1833
1835½
+2
DSM
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