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1B21 1548 London Paddington to Swansea
Departing on 14th September 2024

operated by
Great Western Railway
10 coaches
800024
800021
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
1548
3
0.41
Royal Oak Junction
pass
1549
pass
1549¼
3
2
1.28
Portobello Jn (London)
pass
1550½
pass
1550½
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
1552¾
4.16
Acton Main Line [AML]
pass
1553
pass
1553¼
4.75
Acton West
pass
1553½
pass
1553¾
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
1557
11.09
Heathrow Airport Jn
pass
1556½
pass
1556¾
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
1559¾
17.13
Dolphin Jn
pass
1559½
pass
1600
18.31
Slough [SLO]
2
pass
1600
pass
1600½
ML
19.06
Slough West
pass
1600½
pass
1600¾
20.72
Burnham [BNM]
pass
1601½
pass
1601½
22.34
Taplow [TAP]
1
pass
1602
pass
1602¼
23.53
Maidenhead East
pass
1602½
pass
1603
24.14
Maidenhead [MAI]
1
pass
1603
pass
1603½
29.40
Ruscombe
pass
1606
pass
1605¾
30.76
Twyford [TWY]
1
1
pass
1606½
pass
1606½
ML
31.57
Twyford West
pass
1607
pass
1606¾
35.10
Kennet Bridge Jn
pass
1609½
pass
1609
35.56
Reading Main Line East
pass
1610
pass
1609½
35.75
Reading [RDG]
9
1611
1613
1611
1613
1610½
1614¾
+1
DM
DM
36.12
Reading Main Line West
pass
1613½
pass
1615½
+1
36.45
Reading High Level Jn
pass
1614
pass
1616¼
+2
ML
38.29
Tilehurst East Jn.
pass
1615
pass
1617½
+2
38.47
Tilehurst [TLH]
1
pass
1615
pass
1617½
+2
41.38
Pangbourne [PAN]
pass
1617
pass
1619
+2
44.55
Goring & Streatley [GOR]
1
1
pass
1619
pass
1620¾
+1
ML
48.32
Cholsey [CHO]
1
pass
1621
pass
1622½
+1
51.32
Moreton Cutting
pass
1623
pass
1623¾
52.61
Didcot East Jn
pass
1624
No report
53.05
Didcot Parkway [DID]
1
pass
1624
pass
1624½
DM
53.20
Didcot West End
pass
1624
No report
53.50
Foxhall Jn [XJF]
pass
1624½
No report
55.14
Milton Junction
pass
1625
No report
56.27
Steventon
pass
1626
pass
1626¼
60.17
Wantage Road
pass
1628
pass
1628¼
63.75
Challow
pass
1630
pass
1630
66.34
Uffington (Oxfordshire)
1
pass
1631
pass
1631¼
72.25
Bourton
pass
1634½
pass
1634
74.46
Swindon South Marston Jn
pass
1636
pass
1635¼
75.58
Swindon Stratton Green
pass
1636½
pass
1636
76.27
Highworth Jn
pass
1637
pass
1636
76.59
Swindon East Loop
pass
1637
pass
1637¼
77.18
Swindon [SWI]
4
1638
1640
1638
1640
1637¾
1639¾
DM
DM
82.67
Wootton Bassett Jn
pass
1644½
pass
1644
DM
DB
89.57
Little Somerford
pass
1648½
pass
1648
94.16
Hullavington
1
pass
1651
pass
1650½
99.76
Badminton
pass
1654½
pass
1652¾
-1
104.40
Chipping Sodbury
pass
1657
pass
1655
-1
107.09
Westerleigh Jn
pass
1658½
pass
1656½
-1
111.57
Bristol Parkway [BPW]
½
2
1702
1704
1701½
1704
1700¼
1704
DB
DT
112.79
Patchway [PWY]
2
pass
1706
pass
1706¼
116.45
Pilning [PIL]
2
pass
1708½
pass
1709½
+1
118.03
Severn Tunnel East
pass
1709½
pass
1710½
+1
122.31
Severn Tunnel West
pass
1713
pass
1713¾
123.41
Severn Tunnel Junction [STJ]
3
pass
1714
pass
1715¼
+1
DT
DM
125.66
Magor
pass
1715½
pass
1716¾
+1
130.72
Llanwern West Jn
pass
1719
pass
1720½
+1
131.63
East Usk Jn.
pass
1720
pass
1721¼
+1
132.55
Maindee East Jn
pass
1720½
pass
1722¼
+1
132.77
Maindee West Jn
pass
1721
pass
1723¼
+2
133.31
Newport (South Wales) [NWP]
2
1722
1724
1722
1724½
1724½
1726½
+2
DM
DM
134.13
Gaer Jn
pass
1726
pass
1728¼
+2
DM
134.68
Ebbw Jn
pass
1727
pass
1729
+2
DM
DM
138.41
Marshfield
1
pass
1729½
pass
1731¾
+2
142.42
Rumney River Bridge Jn
pass
1733
pass
1734½
+1
143.01
Pengam Jn
pass
1733½
pass
1735
+1
143.46
Moorland Road Junction
pass
1734
pass
1735½
+1
DM
UR
144.16
Long Dyke Jn
pass
1734½
pass
1736¼
+1
E
144.79
Cardiff East
pass
1736
pass
1737¼
+1
UR
D
145.11
Cardiff Central [CDF]
Pathed as Class 80x on diesel from here
3
1737
1739
1736½
1739½
1738¾
1741¾
+2
D
D
145.37
Cardiff West
pass
1740½
No report
146.36
Leckwith North Jn
pass
1742½
pass
1744¾
+2
D
DM
149.14
St Fagans L C
pass
1744½
pass
1747¼
+2
154.08
Miskin
pass
1748½
pass
1751¼
+2
156.21
Pontyclun [PYC]
1
pass
1750½
pass
1753¼
+2
156.57
Llantrisant [LTI]
pass
1751
No report
158.53
Llanharan [LLR]
2
pass
1752½
pass
1755½
+3
161.41
Pencoed [PCD]
1
pass
1754½
pass
1757½
+3
164.42
Tremains
pass
1757
pass
1759½
+2
165.26
Bridgend [BGN]
1
1758
1759
1758
1759½
1801¼
1803¼
+3
DM
DM
169.46
Stormy
pass
1804
pass
1808¾
+4
171.21
Pyle [PYL]
1
pass
1805
pass
1810
+5
173.45
Margam Moors Jn.
pass
1806½
pass
1811¼
+4
DM
175.12
Margam East Jn
pass
1807½
pass
1812¾
+5
176.00
Margam Middle Jn
pass
1808
pass
1812¾
+4
176.70
Port Talbot East
pass
1809
No report
177.39
Port Talbot Parkway [PTA]
1
1810
1811
1810
1811½
1815
1816½
+5
179.38
Baglan [BAJ]
1
pass
1813½
pass
1819½
+5
180.09
Briton Ferry East
pass
1814½
pass
1819¾
+5
181.20
Briton Ferry [BNF]
1
pass
1815½
pass
1821¼
+5
181.38
Court Sart Jn
pass
1815½
pass
1821
+5
183.00
Neath [NTH]
1
1
1818
1819
1817½
1819
1823
1825
+6
185.06
Skewen [SKE]
1
pass
1822
pass
1828¼
+6
186.68
Llansamlet [LAS]
1
pass
1824½
pass
1830½
+6
189.42
Landore Junction
pass
1827½
pass
1833¼
+5
DM
DSM
190.23
Swansea Loop East
pass
1828½
pass
1834½
+6
190.67
Swansea [SWA]
3
1830
1830
1836¾
+6
DSM
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