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1B21 1548 London Paddington to Swansea
Departing on 21st December 2024

operated by
Great Western Railway
10 coaches
800016
800003
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
1547¾
3
0.41
Royal Oak Junction
pass
1549
pass
1549¼
3
2
1.28
Portobello Jn (London)
pass
1550½
pass
1550¼
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
1552½
4.16
Acton Main Line [AML]
pass
1553
pass
1553¼
4.75
Acton West
pass
1553½
pass
1553½
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
1556¾
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
1559½
17.13
Dolphin Jn
pass
1559½
pass
1559¾
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
1610¾
1613
DM
DM
36.12
Reading Main Line West
pass
1613½
pass
1613¾
36.45
Reading High Level Jn
pass
1614
pass
1614¾
ML
38.29
Tilehurst East Jn.
pass
1615
pass
1615¾
38.47
Tilehurst [TLH]
1
pass
1615
pass
1615¾
41.38
Pangbourne [PAN]
pass
1617
pass
1617¼
44.55
Goring & Streatley [GOR]
1
1
pass
1619
pass
1619¼
ML
48.32
Cholsey [CHO]
1
pass
1621
pass
1620¾
51.32
Moreton Cutting
pass
1623
pass
1622
52.61
Didcot East Jn
pass
1624
pass
1622¾
-1
53.05
Didcot Parkway [DID]
1
pass
1624
pass
1623¼
53.20
Didcot West End
pass
1624
No report
53.50
Foxhall Jn [XJF]
pass
1624½
pass
1623½
55.14
Milton Junction
pass
1625
pass
1623¾
-1
56.27
Steventon
pass
1626
pass
1624½
-1
60.17
Wantage Road
pass
1628
pass
1626½
-1
63.75
Challow
pass
1630
pass
1628½
-1
66.34
Uffington (Oxfordshire)
1
pass
1631
pass
1629½
-1
72.25
Bourton
pass
1634½
pass
1632¼
-2
74.46
Swindon South Marston Jn
pass
1636
pass
1633½
-2
75.58
Swindon Stratton Green
pass
1636½
pass
1634¼
-2
76.27
Highworth Jn
pass
1637
pass
1634½
-2
76.59
Swindon East Loop
pass
1637
pass
1635½
-1
77.18
Swindon [SWI]
4
1638
1640
1638
1640
1636¼
1640½
DM
DM
82.67
Wootton Bassett Jn
pass
1644½
pass
1645¼
DM
DB
89.57
Little Somerford
pass
1648½
pass
1649½
+1
94.16
Hullavington
1
pass
1651
pass
1651¾
99.76
Badminton
pass
1654½
pass
1654¼
104.40
Chipping Sodbury
pass
1657
pass
1656½
107.09
Westerleigh Jn
pass
1658½
pass
1658¼
111.57
Bristol Parkway [BPW]
½
2
1702
1704
1701½
1704
1702¾
1705½
+1
DB
DT
112.79
Patchway [PWY]
2
pass
1706
pass
1707¼
+1
116.45
Pilning [PIL]
2
pass
1708½
pass
1710¼
+1
118.03
Severn Tunnel East
pass
1709½
pass
1711¼
+1
122.31
Severn Tunnel West
pass
1713
pass
1714½
+1
123.41
Severn Tunnel Junction [STJ]
3
pass
1714
pass
1716
+2
DT
DM
125.66
Magor
pass
1715½
pass
1717¾
+2
130.72
Llanwern West Jn
pass
1719
pass
1721¼
+2
131.63
East Usk Jn.
pass
1720
pass
1721¾
+2
132.55
Maindee East Jn
pass
1720½
pass
1723
+2
132.77
Maindee West Jn
pass
1721
pass
1724
+3
133.31
Newport (South Wales) [NWP]
2
1722
1724
1722
1724
1725¼
1727¼
+3
DM
DM
134.13
Gaer Jn
pass
1725½
pass
1729
+3
DM
134.68
Ebbw Jn
pass
1726½
pass
1729¾
+3
DM
DM
138.41
Marshfield
1
pass
1729
pass
1732½
+3
142.42
Rumney River Bridge Jn
pass
1732½
pass
1735
+2
143.01
Pengam Jn
pass
1733
pass
1735½
+2
143.46
Moorland Road Junction
pass
1733½
pass
1736
+2
144.16
Long Dyke Jn
pass
1734
pass
1736¾
+2
E
144.79
Cardiff East
pass
1735½
pass
1738
+2
DM
E
145.11
Cardiff Central [CDF]
Pathed as Class 80x on diesel from here
3
1736
1739
1736
1739
1739½
1742½
+3
E
D
145.37
Cardiff West
pass
1740
No report
146.36
Leckwith North Jn
pass
1742
pass
1745½
+3
D
DM
149.14
St Fagans L C
pass
1744
pass
1748
+3
154.08
Miskin
pass
1748
pass
1752
+3
156.21
Pontyclun [PYC]
1
pass
1750
pass
1754
+4
156.57
Llantrisant [LTI]
pass
1750½
No report
158.53
Llanharan [LLR]
2
pass
1752
pass
1756
+4
161.41
Pencoed [PCD]
1
pass
1754
pass
1758
+4
164.42
Tremains
pass
1756½
pass
1800
+3
165.26
Bridgend [BGN]
1
1758
1759
1757½
1759
1801¾
1804¼
+5
DM
DM
169.46
Stormy
pass
1803½
pass
1809¼
+5
171.21
Pyle [PYL]
1
pass
1804½
pass
1810¼
+5
173.45
Margam Moors Jn.
pass
1806
pass
1811½
+5
DM
175.12
Margam East Jn
pass
1807
pass
1812¾
+5
176.00
Margam Middle Jn
pass
1807½
pass
1813
+5
176.70
Port Talbot East
pass
1808½
No report
177.39
Port Talbot Parkway [PTA]
1
1810
1811
1809½
1811
1815¼
1817½
+6
179.38
Baglan [BAJ]
1
pass
1813
pass
1820½
+7
180.09
Briton Ferry East
pass
1814
pass
1820¾
+7
181.20
Briton Ferry [BNF]
1
pass
1815
pass
1822
+7
181.38
Court Sart Jn
pass
1815
pass
1822
+7
183.00
Neath [NTH]
1
1
1817
1818
1817
1818½
1823¾
1825¾
+7
185.06
Skewen [SKE]
1
pass
1821½
pass
1828¾
+7
186.68
Llansamlet [LAS]
1
pass
1824
pass
1830½
+6
189.42
Landore Junction
pass
1827
pass
1833¼
+6
DM
DSM
190.23
Swansea Loop East
pass
1828
pass
1834¾
+6
190.67
Swansea [SWA]
3
1830
1830
1837
+7
DSM
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