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1B21 1548 London Paddington to Swansea
Departing on 4th October 2024

operated by
Great Western Railway
9 coaches
800302
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
1553½
+5
4
0.41
Royal Oak Junction
pass
1549
pass
1554½
+5
4
4
1.28
Portobello Jn (London)
pass
1550½
pass
1556¼
+5
4
3
1.68
Ladbroke Grove
pass
1551
pass
1556¾
+5
3
DM
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
1558½
+6
4.16
Acton Main Line [AML]
pass
1553
pass
1559
+6
4.75
Acton West
pass
1553½
pass
1559½
+6
ML
ML
5.51
Ealing Broadway [EAL]
1
pass
1554
pass
1600
+6
6.41
West Ealing [WEA]
pass
1554½
pass
1600¼
+6
6.49
West Ealing Junction
pass
1554½
pass
1600¼
+6
7.23
Hanwell [HAN]
pass
1554½
pass
1600¾
+6
8.57
Southall East Jn
pass
1555½
pass
1601½
+6
9.01
Southall [STL]
1
pass
1555½
pass
1602
+6
9.65
Southall West Jn
pass
1556
pass
1602
+6
10.66
Hayes & Harlington [HAY]
1
pass
1556½
pass
1602¾
+6
11.09
Heathrow Airport Jn
pass
1556½
pass
1602¾
+6
ML
12.04
Stockley Junction
pass
1557
pass
1603
+6
12.62
West Drayton East
pass
1557½
pass
1603½
+6
13.12
West Drayton [WDT]
1
pass
1557½
pass
1604
+6
13.26
West Drayton Jcn
pass
1557½
pass
1604
+6
14.55
Iver [IVR]
1
pass
1558
pass
1604½
+6
16.13
Langley [LNY]
1
pass
1559
pass
1605½
+6
17.13
Dolphin Jn
pass
1559½
pass
1605¾
+6
18.31
Slough [SLO]
2
pass
1600
pass
1606¼
+6
ML
19.06
Slough West
pass
1600½
pass
1606¾
+6
20.72
Burnham [BNM]
pass
1601½
pass
1607½
+6
22.34
Taplow [TAP]
1
pass
1602
pass
1608¼
+6
23.53
Maidenhead East
pass
1602½
pass
1609
+6
24.14
Maidenhead [MAI]
1
pass
1603
pass
1609½
+6
29.40
Ruscombe
pass
1606
pass
1611½
+5
30.76
Twyford [TWY]
1
1
pass
1606½
pass
1612¼
+5
ML
31.57
Twyford West
pass
1607
pass
1612¾
+5
35.10
Kennet Bridge Jn
pass
1609½
pass
1615
+5
35.56
Reading Main Line East
pass
1610
pass
1618¼
+8
35.75
Reading [RDG]
8
1611
1613
1611
1613
1619½
1621¼
+8
DM
DM
36.12
Reading Main Line West
pass
1613½
pass
1621¾
+8
36.45
Reading High Level Jn
pass
1614
pass
1622¾
+8
ML
38.29
Tilehurst East Jn.
pass
1615
pass
1623¾
+8
38.47
Tilehurst [TLH]
1
pass
1615
pass
1624
+8
41.38
Pangbourne [PAN]
pass
1617
pass
1625½
+8
44.55
Goring & Streatley [GOR]
1
1
pass
1619
pass
1627¼
+8
ML
48.32
Cholsey [CHO]
1
pass
1621
pass
1629
+7
51.32
Moreton Cutting
pass
1623
pass
1631½
+8
52.61
Didcot East Jn
pass
1624
pass
1632½
+8
53.05
Didcot Parkway [DID]
1
pass
1624
pass
1633¼
+9
53.20
Didcot West End
pass
1624
No report
53.50
Foxhall Jn [XJF]
pass
1624½
pass
1633½
+9
55.14
Milton Junction
pass
1625
pass
1634
+9
56.27
Steventon
pass
1626
pass
1635
+9
60.17
Wantage Road
pass
1628
pass
1637
+9
63.75
Challow
pass
1630
pass
1638¾
+8
66.34
Uffington (Oxfordshire)
1 ½
pass
1631
pass
1639¾
+8
72.25
Bourton
pass
1635
pass
1642¾
+8
74.46
Swindon South Marston Jn
pass
1636½
pass
1644
+7
75.58
Swindon Stratton Green
pass
1637
pass
1644¾
+7
76.27
Highworth Jn
pass
1637½
pass
1645
+7
76.59
Swindon East Loop
pass
1637½
pass
1646
+8
77.18
Swindon [SWI]
4
1638
1640
1638½
1640½
1647
1648¼
+7
DM
DM
82.67
Wootton Bassett Jn
pass
1645
pass
1653¼
+8
DM
DB
89.57
Little Somerford
pass
1649
pass
1657¼
+8
94.16
Hullavington
1
pass
1651½
pass
1659¾
+8
99.76
Badminton
pass
1655
pass
1702
+7
104.40
Chipping Sodbury
pass
1657½
pass
1704¼
+6
107.09
Westerleigh Jn
½
pass
1659
pass
1705¾
+6
111.57
Bristol Parkway [BPW]
2
1702
1704
1702½
1704
1709½
1711½
+7
DB
DT
112.79
Patchway [PWY]
2
pass
1705½
pass
1713
+7
116.45
Pilning [PIL]
2
pass
1708
pass
1715¾
+7
118.03
Severn Tunnel East
pass
1709
pass
1716¾
+7
122.31
Severn Tunnel West
pass
1712½
pass
1720
+7
123.41
Severn Tunnel Junction [STJ]
3
pass
1713½
pass
1721¼
+7
DT
DM
125.66
Magor
pass
1715
pass
1722¾
+7
130.72
Llanwern West Jn
pass
1718½
pass
1726½
+8
131.63
East Usk Jn.
pass
1719½
pass
1727
+7
132.55
Maindee East Jn
pass
1720
pass
1727¾
+7
132.77
Maindee West Jn
pass
1720½
pass
1728¾
+8
133.31
Newport (South Wales) [NWP]
2
1721
1724
1721½
1724½
1729¾
1731
+6
DM
DM
134.13
Gaer Jn
pass
1726
pass
1732½
+6
DM
134.68
Ebbw Jn
pass
1727
pass
1733¼
+6
DM
DM
138.41
Marshfield
1 1
pass
1729½
pass
1736
+6
142.42
Rumney River Bridge Jn
pass
1733½
pass
1738¼
+4
143.01
Pengam Jn
pass
1734
pass
1738¾
+4
143.46
Moorland Road Junction
pass
1735
pass
1739¼
+4
144.16
Long Dyke Jn
½
pass
1735½
pass
1740
+4
E
144.79
Cardiff East
pass
1737
pass
1741
+4
DM
E
145.11
Cardiff Central [CDF]
1
Pathed as Class 80x on diesel from here
3
1737
1741
1738
1741
1742½
1744½
+3
E
D
145.37
Cardiff West
pass
1742½
No report
146.36
Leckwith North Jn
pass
1745
pass
1748
+3
D
DM
149.14
St Fagans L C
pass
1747
pass
1750½
+3
154.08
Miskin
pass
1751
pass
1754½
+3
156.21
Pontyclun [PYC]
1
pass
1753
pass
1756½
+3
156.57
Llantrisant [LTI]
pass
1753½
No report
158.53
Llanharan [LLR]
2
pass
1755
pass
1758½
+3
161.41
Pencoed [PCD]
1
pass
1757
pass
1800½
+3
164.42
Tremains
pass
1759½
pass
1802½
+3
165.26
Bridgend [BGN]
1
1801
1802
1800½
1802
1804¼
1805¾
+3
DM
DM
169.46
Stormy
½
pass
1806½
pass
1811¼
+4
171.21
Pyle [PYL]
1
pass
1808
pass
1812¼
+4
173.45
Margam Moors Jn.
pass
1809½
pass
1813½
+4
DM
175.12
Margam East Jn
pass
1810½
pass
1814¾
+4
176.00
Margam Middle Jn
pass
1811
pass
1815
+3
176.70
Port Talbot East
pass
1812
No report
177.39
Port Talbot Parkway [PTA]
1
1813
1814
1813
1814½
1817
1818
+3
179.38
Baglan [BAJ]
1
pass
1816½
pass
1821
+4
180.09
Briton Ferry East
pass
1817½
pass
1821½
+4
181.20
Briton Ferry [BNF]
1
pass
1818½
pass
1822¾
+4
181.38
Court Sart Jn
pass
1818½
pass
1822½
+4
183.00
Neath [NTH]
1
1
1821
1822
1820½
1822
1824½
1826
+4
185.06
Skewen [SKE]
1
pass
1825
pass
1829
+4
186.68
Llansamlet [LAS]
1
pass
1827½
pass
1831
+3
189.42
Landore Junction
pass
1830½
pass
1834
+3
DM
DSM
190.23
Swansea Loop East
pass
1831½
pass
1835¼
+3
190.67
Swansea [SWA]
3
1833
1833
1837¼
+4
DSM
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