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1B21 1548 London Paddington to Swansea
Departing on 24th September 2024

operated by
Great Western Railway
10 coaches
800036
800027
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
1549½
+1
3
0.41
Royal Oak Junction
pass
1549
pass
1550¾
+1
3
2
1.28
Portobello Jn (London)
pass
1550½
pass
1551¾
+1
1.68
Ladbroke Grove
pass
1551
pass
1552½
+1
2
DM
2.55
Old Oak Common East
pass
1551½
pass
1553¼
+1
3.15
Old Oak Common West
pass
1552
pass
1553¾
+1
3.48
Friars Jn
pass
1552½
pass
1554
+1
4.16
Acton Main Line [AML]
pass
1553
pass
1554¾
+1
4.75
Acton West
pass
1553½
pass
1555
+1
ML
ML
5.51
Ealing Broadway [EAL]
1
pass
1554
pass
1555½
+1
6.41
West Ealing [WEA]
pass
1554½
pass
1556
+1
6.49
West Ealing Junction
pass
1554½
pass
1556
+1
7.23
Hanwell [HAN]
pass
1554½
pass
1556¼
+1
8.57
Southall East Jn
pass
1555½
pass
1557
+1
9.01
Southall [STL]
1
pass
1555½
pass
1557½
+2
9.65
Southall West Jn
pass
1556
pass
1557½
+1
10.66
Hayes & Harlington [HAY]
1
pass
1556½
pass
1558½
+2
11.09
Heathrow Airport Jn
pass
1556½
pass
1558¼
+1
DM
12.04
Stockley Junction
pass
1557
pass
1558½
+1
12.62
West Drayton East
pass
1557½
pass
1559
+1
13.12
West Drayton [WDT]
1
pass
1557½
pass
1559½
+2
13.26
West Drayton Jcn
pass
1557½
pass
1559½
+2
14.55
Iver [IVR]
1
pass
1558
pass
1600
+1
16.13
Langley [LNY]
1
pass
1559
pass
1601
+2
17.13
Dolphin Jn
pass
1559½
pass
1601¼
+2
18.31
Slough [SLO]
2
pass
1600
pass
1602
+2
ML
19.06
Slough West
pass
1600½
pass
1602¼
+1
20.72
Burnham [BNM]
pass
1601½
pass
1603
+1
22.34
Taplow [TAP]
1
pass
1602
pass
1603¾
+1
23.53
Maidenhead East
pass
1602½
pass
1604½
+1
24.14
Maidenhead [MAI]
1
pass
1603
pass
1605
+2
29.40
Ruscombe
pass
1606
pass
1607
+1
30.76
Twyford [TWY]
1
1
pass
1606½
pass
1607¾
+1
ML
31.57
Twyford West
pass
1607
pass
1608¼
+1
35.10
Kennet Bridge Jn
pass
1609½
pass
1610½
+1
35.56
Reading Main Line East
pass
1610
pass
1610¾
35.75
Reading [RDG]
9
1611
1613
1611
1613
1612
1614¼
+1
DM
DM
36.12
Reading Main Line West
pass
1613½
pass
1615
+1
36.45
Reading High Level Jn
pass
1614
pass
1615¾
+1
ML
38.29
Tilehurst East Jn.
pass
1615
pass
1616¾
+1
38.47
Tilehurst [TLH]
1
pass
1615
pass
1616¾
+1
41.38
Pangbourne [PAN]
pass
1617
pass
1618¼
+1
44.55
Goring & Streatley [GOR]
1
1
pass
1619
pass
1620
+1
ML
48.32
Cholsey [CHO]
1
pass
1621
pass
1621¾
51.32
Moreton Cutting
pass
1623
pass
1623
52.61
Didcot East Jn
pass
1624
pass
1623½
53.05
Didcot Parkway [DID]
1
pass
1624
pass
1624
53.20
Didcot West End
pass
1624
No report
53.50
Foxhall Jn [XJF]
pass
1624½
pass
1624¼
55.14
Milton Junction
pass
1625
pass
1624½
56.27
Steventon
pass
1626
pass
1625½
60.17
Wantage Road
pass
1628
pass
1627½
63.75
Challow
pass
1630
pass
1629¼
66.34
Uffington (Oxfordshire)
1 ½
pass
1631
pass
1630¼
72.25
Bourton
pass
1635
pass
1633¼
-1
74.46
Swindon South Marston Jn
pass
1636½
pass
1634¼
-1
75.58
Swindon Stratton Green
pass
1637
pass
1635¼
-1
76.27
Highworth Jn
pass
1637½
pass
1635¼
-1
76.59
Swindon East Loop
pass
1637½
pass
1636½
-1
77.18
Swindon [SWI]
4
1638
1640
1638½
1640½
1637½
1639¾
DM
DM
82.67
Wootton Bassett Jn
pass
1645
pass
1644¼
DM
DB
89.57
Little Somerford
pass
1649
pass
1648¼
94.16
Hullavington
1
pass
1651½
pass
1650¾
99.76
Badminton
pass
1655
pass
1653¼
-1
104.40
Chipping Sodbury
pass
1657½
pass
1655½
-1
107.09
Westerleigh Jn
½
pass
1659
pass
1657¼
-1
111.57
Bristol Parkway [BPW]
2
1702
1704
1702½
1704
1701
1704¼
DB
DT
112.79
Patchway [PWY]
2
pass
1705½
pass
1705¾
116.45
Pilning [PIL]
2
pass
1708
pass
1708¾
118.03
Severn Tunnel East
pass
1709
pass
1709½
122.31
Severn Tunnel West
pass
1712½
pass
1712¾
123.41
Severn Tunnel Junction [STJ]
3
pass
1713½
pass
1714¼
DT
DM
125.66
Magor
pass
1715
pass
1715¾
130.72
Llanwern West Jn
pass
1718½
pass
1719½
+1
131.63
East Usk Jn.
pass
1719½
pass
1720
132.55
Maindee East Jn
pass
1720
pass
1721
132.77
Maindee West Jn
pass
1720½
pass
1721¾
+1
133.31
Newport (South Wales) [NWP]
2
1721
1724
1721½
1724½
1723
1724¾
DM
DM
134.13
Gaer Jn
pass
1726
pass
1726½
DM
134.68
Ebbw Jn
pass
1727
pass
1727¼
DM
DM
138.41
Marshfield
1 1
pass
1729½
pass
1730
142.42
Rumney River Bridge Jn
pass
1733½
pass
1732¼
-1
143.01
Pengam Jn
pass
1734
pass
1732¾
-1
143.46
Moorland Road Junction
pass
1735
pass
1733¼
-1
144.16
Long Dyke Jn
½
pass
1735½
pass
1734
-1
E
144.79
Cardiff East
pass
1737
pass
1735
-1
DM
E
145.11
Cardiff Central [CDF]
1
Pathed as Class 80x on diesel from here
4
1737
1741
1738
1741
1736¼
1741¼
E
D
145.37
Cardiff West
pass
1742½
No report
146.36
Leckwith North Jn
pass
1745
pass
1744
D
DM
149.14
St Fagans L C
pass
1747
pass
1746½
154.08
Miskin
pass
1751
pass
1750½
156.21
Pontyclun [PYC]
1
pass
1753
pass
1752¼
156.57
Llantrisant [LTI]
pass
1753½
No report
158.53
Llanharan [LLR]
2
pass
1755
pass
1754½
161.41
Pencoed [PCD]
1
pass
1757
pass
1756¼
164.42
Tremains
pass
1759½
pass
1758¼
-1
165.26
Bridgend [BGN]
1
1801
1802
1800½
1802
1759¾
1802
DM
DM
169.46
Stormy
½
pass
1806½
pass
1806¾
171.21
Pyle [PYL]
1
pass
1808
pass
1808
173.45
Margam Moors Jn.
pass
1809½
pass
1809¼
DM
175.12
Margam East Jn
pass
1810½
pass
1810½
176.00
Margam Middle Jn
pass
1811
pass
1810¾
176.70
Port Talbot East
pass
1812
No report
177.39
Port Talbot Parkway [PTA]
1
1813
1814
1813
1814½
1812¾
1814¼
179.38
Baglan [BAJ]
1
pass
1816½
pass
1817
180.09
Briton Ferry East
pass
1817½
pass
1817¼
181.20
Briton Ferry [BNF]
1
pass
1818½
pass
1818½
181.38
Court Sart Jn
pass
1818½
pass
1818½
183.00
Neath [NTH]
1
1
1821
1822
1820½
1822
1820¼
1821¾
185.06
Skewen [SKE]
1
pass
1825
pass
1824¾
186.68
Llansamlet [LAS]
1
pass
1827½
pass
1826¾
189.42
Landore Junction
pass
1830½
pass
1829½
DM
DSM
190.23
Swansea Loop East
pass
1831½
pass
1830¾
190.67
Swansea [SWA]
2
1833
1833
1833¼
DSM
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