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1B21 1548 London Paddington to Swansea
Departing today

operated by
Great Western Railway
5 coaches
800004
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
1548
3
0.41
Royal Oak Junction
pass
1549
pass
1549
2
1.28
Portobello Jn (London)
pass
1550½
pass
1550
2
1.68
Ladbroke Grove
pass
1551
pass
1551
2
ML
2.55
Old Oak Common East
pass
1551½
pass
1551
3.15
Old Oak Common West
pass
1552
pass
1552
3.48
Friars Jn
pass
1552½
pass
1552
4.16
Acton Main Line [AML]
pass
1553
pass
1552
4.75
Acton West
pass
1553½
pass
1553
ML
ML
5.51
Ealing Broadway [EAL]
pass
1554
pass
1553
6.41
West Ealing [WEA]
pass
1554½
pass
1554
6.49
West Ealing Junction
pass
1554½
pass
1554
7.23
Hanwell [HAN]
pass
1554½
pass
1554
8.57
Southall East Jn
pass
1555½
pass
1555
9.01
Southall [STL]
1
pass
1555½
pass
1555
ML
9.65
Southall West Jn
pass
1556
pass
1555
10.66
Hayes & Harlington [HAY]
pass
1556½
pass
1556
11.09
Heathrow Airport Jn
pass
1556½
pass
1556
ML
12.04
Stockley Junction
pass
1557
pass
1556
12.62
West Drayton East
pass
1557½
pass
1557
13.12
West Drayton [WDT]
pass
1557½
pass
1557
13.26
West Drayton Jcn
pass
1557½
pass
1557
14.55
Iver [IVR]
pass
1558
pass
1558
16.13
Langley [LNY]
pass
1559
pass
1558
17.13
Dolphin Jn
pass
1559½
pass
1559
18.31
Slough [SLO]
2
pass
1600
pass
1600
ML
19.06
Slough West
pass
1600½
pass
1600
20.72
Burnham [BNM]
pass
1601½
pass
1601
22.34
Taplow [TAP]
pass
1602
pass
1602
23.53
Maidenhead East
pass
1602½
pass
1602
24.14
Maidenhead [MAI]
1
pass
1603
pass
1603
ML
29.40
Ruscombe
pass
1606
pass
1605
30.76
Twyford [TWY]
1
1
pass
1606½
pass
1606
ML
31.57
Twyford West
pass
1607
pass
1606
35.10
Kennet Bridge Jn
pass
1609½
pass
1609
DML
35.56
Reading Main Line East
pass
1610
pass
1610
35.75
Reading [RDG]
9
1611
1613
1611
1613
1610
1613
ML
36.12
Reading Main Line West
pass
1613½
pass
1613
36.45
Reading High Level Jn
pass
1614
pass
1614
ML
38.29
Tilehurst East Jn.
pass
1615
pass
1615
38.47
Tilehurst [TLH]
pass
1615
pass
1615
41.38
Pangbourne [PAN]
pass
1617
pass
1617
44.55
Goring & Streatley [GOR]
1
pass
1619
pass
1619
ML
48.32
Cholsey [CHO]
pass
1621
pass
1621
51.32
Moreton Cutting
pass
1623
pass
1622
52.61
Didcot East Jn
pass
1624
pass
1623
53.05
Didcot Parkway [DID]
1
pass
1624
pass
1623
53.20
Didcot West End
pass
1624
pass
1623
53.50
Foxhall Jn [XJF]
pass
1624½
pass
1624
55.14
Milton Junction
pass
1625
pass
1625
56.27
Steventon
pass
1626
pass
1625
60.17
Wantage Road
pass
1628
pass
1627
63.75
Challow
pass
1630
pass
1629
66.34
Uffington (Oxfordshire)
1 ½
pass
1631
pass
1630
72.25
Bourton
pass
1635
pass
1634
74.46
Swindon South Marston Jn
pass
1636½
pass
1636
75.58
Swindon Stratton Green
pass
1637
pass
1637
76.27
Highworth Jn
pass
1637½
pass
1637
76.59
Swindon East Loop
pass
1637½
pass
1637
77.18
Swindon [SWI]
4
1638
1640
1638½
1640½
1638
1640
82.67
Wootton Bassett Jn
pass
1645
pass
1644
89.57
Little Somerford
pass
1649
pass
1648
94.16
Hullavington
1
pass
1651½
pass
1651
99.76
Badminton
pass
1655
pass
1654
104.40
Chipping Sodbury
pass
1657½
pass
1656
107.09
Westerleigh Jn
½
pass
1659
pass
1658
111.57
Bristol Parkway [BPW]
2
1702
1704
1702½
1704
1702
1704
112.79
Patchway [PWY]
2
pass
1705½
pass
1705
116.45
Pilning [PIL]
2
pass
1708
pass
1708
118.03
Severn Tunnel East
pass
1709
pass
1709
122.31
Severn Tunnel West
pass
1712½
pass
1712
123.41
Severn Tunnel Junction [STJ]
3
pass
1713½
pass
1713
ML
125.66
Magor
pass
1715
pass
1715
130.72
Llanwern West Jn
pass
1718½
pass
1718
131.63
East Usk Jn.
pass
1719½
pass
1719
132.55
Maindee East Jn
pass
1720
pass
1720
132.77
Maindee West Jn
pass
1720½
pass
1720
133.31
Newport (South Wales) [NWP]
2
1721
1724
1721½
1724½
1721
1724
134.13
Gaer Jn
pass
1726
pass
1725
134.68
Ebbw Jn
pass
1727
pass
1726
138.41
Marshfield
1 1
pass
1729½
pass
1729
142.42
Rumney River Bridge Jn
pass
1733½
pass
1733
143.01
Pengam Jn
pass
1734
pass
1734
143.46
Moorland Road Junction
pass
1735
pass
1734
144.16
Long Dyke Jn
½
pass
1735½
pass
1735
E
144.79
Cardiff East
pass
1737
pass
1737
145.11
Cardiff Central [CDF]
1
Pathed as Class 80x on diesel from here
4
1737
1741
1738
1741
1738
1741
D
145.37
Cardiff West
pass
1742½
pass
1742
146.36
Leckwith North Jn
pass
1745
pass
1745
149.14
St Fagans L C
pass
1747
pass
1747
154.08
Miskin
pass
1751
pass
1751
156.21
Pontyclun [PYC]
pass
1753
pass
1753
156.57
Llantrisant [LTI]
pass
1753½
pass
1753
158.53
Llanharan [LLR]
pass
1755
pass
1754
161.41
Pencoed [PCD]
pass
1757
pass
1757
164.42
Tremains
pass
1759½
pass
1759
165.26
Bridgend [BGN]
1
1801
1802
1800½
1802
1800
1802
169.46
Stormy
½
pass
1806½
pass
1806
171.21
Pyle [PYL]
pass
1808
pass
1807
173.45
Margam Moors Jn.
pass
1809½
pass
1809
175.12
Margam East Jn
pass
1810½
pass
1810
176.00
Margam Middle Jn
pass
1811
pass
1811
176.70
Port Talbot East
pass
1812
pass
1811
177.39
Port Talbot Parkway [PTA]
1813
1814
1813
1814½
1813
1814
179.38
Baglan [BAJ]
pass
1816½
pass
1816
180.09
Briton Ferry East
pass
1817½
pass
1816
181.20
Briton Ferry [BNF]
pass
1818½
pass
1817
181.38
Court Sart Jn
pass
1818½
pass
1818
183.00
Neath [NTH]
1
1821
1822
1820½
1822
1820
1822
185.06
Skewen [SKE]
pass
1825
pass
1824
186.68
Llansamlet [LAS]
pass
1827½
pass
1827
189.42
Landore Junction
pass
1830½
pass
1830
190.23
Swansea Loop East
pass
1831½
pass
1831
190.67
Swansea [SWA]
2
1833
1833
1832
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