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1B21 1548 London Paddington to Swansea
Departing on 23rd December 2024

operated by
Great Western Railway
10 coaches
800027
800022
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
2
1548
1548
1548
1
0.41
Royal Oak Junction
pass
1549
pass
1549¼
1.28
Portobello Jn (London)
pass
1550½
pass
1550¼
1.68
Ladbroke Grove
pass
1551
pass
1551
1
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
1556½
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
1600¼
ML
19.06
Slough West
pass
1600½
pass
1600½
20.72
Burnham [BNM]
pass
1601½
pass
1601¼
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
1603¼
29.40
Ruscombe
pass
1606
pass
1605½
30.76
Twyford [TWY]
1
1
pass
1606½
pass
1606¼
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
1609¼
35.75
Reading [RDG]
9
1611
1613
1611
1613
1610½
1612¾
DM
DM
36.12
Reading Main Line West
pass
1613½
pass
1613½
36.45
Reading High Level Jn
pass
1614
pass
1614¼
ML
38.29
Tilehurst East Jn.
pass
1615
pass
1615¼
38.47
Tilehurst [TLH]
1
pass
1615
pass
1615½
41.38
Pangbourne [PAN]
pass
1617
pass
1616¾
44.55
Goring & Streatley [GOR]
1
1
pass
1619
pass
1618½
ML
48.32
Cholsey [CHO]
1
pass
1621
pass
1620¼
51.32
Moreton Cutting
pass
1623
pass
1621½
-1
52.61
Didcot East Jn
pass
1624
pass
1622
-1
53.05
Didcot Parkway [DID]
1
pass
1624
pass
1622½
-1
53.20
Didcot West End
pass
1624
No report
53.50
Foxhall Jn [XJF]
pass
1624½
pass
1622¾
-1
55.14
Milton Junction
pass
1625
pass
1623¼
-1
56.27
Steventon
pass
1626
pass
1624
-1
60.17
Wantage Road
pass
1628
pass
1626
-1
63.75
Challow
pass
1630
pass
1627¾
-2
66.34
Uffington (Oxfordshire)
1 ½
pass
1631
pass
1629
-1
72.25
Bourton
pass
1635
pass
1631¾
-2
74.46
Swindon South Marston Jn
pass
1636½
pass
1633
-3
75.58
Swindon Stratton Green
pass
1637
pass
1633¾
-3
76.27
Highworth Jn
pass
1637½
pass
1634
-3
76.59
Swindon East Loop
pass
1637½
pass
1635¼
-2
77.18
Swindon [SWI]
4
1638
1640
1638½
1640½
1636
1639¾
DM
DM
82.67
Wootton Bassett Jn
pass
1645
pass
1644¼
DM
DB
89.57
Little Somerford
pass
1649
pass
1648½
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
1657
-1
111.57
Bristol Parkway [BPW]
2
1702
1704
1702½
1704½
1701
1704¼
DB
DT
112.79
Patchway [PWY]
2
pass
1706
pass
1705¾
116.45
Pilning [PIL]
2
pass
1708½
pass
1708¾
118.03
Severn Tunnel East
pass
1709½
pass
1709½
122.31
Severn Tunnel West
pass
1713
pass
1713
123.41
Severn Tunnel Junction [STJ]
3
pass
1714
pass
1714¾
DT
DM
125.66
Magor
pass
1715½
pass
1716½
+1
130.72
Llanwern West Jn
pass
1719
pass
1720½
+1
131.63
East Usk Jn.
pass
1720
pass
1721
+1
132.55
Maindee East Jn
pass
1720½
pass
1722
+1
132.77
Maindee West Jn
pass
1721
pass
1723¼
+2
133.31
Newport (South Wales) [NWP]
2
1722
1724
1722
1724
1725
1726¼
+2
DM
DM
134.13
Gaer Jn
pass
1725½
pass
1728
+2
DM
134.68
Ebbw Jn
pass
1726½
pass
1728¾
+2
DM
DM
138.41
Marshfield
1
pass
1729
pass
1731½
+2
142.42
Rumney River Bridge Jn
pass
1732½
pass
1734¼
+1
143.01
Pengam Jn
pass
1733
pass
1734¾
+1
143.46
Moorland Road Junction
pass
1733½
pass
1735¾
+2
DM
UR
144.16
Long Dyke Jn
pass
1734
pass
1736¾
+2
E
144.79
Cardiff East
pass
1735½
pass
1738
+2
UR
D
145.11
Cardiff Central [CDF]
Pathed as Class 80x on diesel from here
3
1735
1739
1736
1739
1739¼
1741¼
+2
D
D
145.37
Cardiff West
pass
1740
No report
146.36
Leckwith North Jn
pass
1742
pass
1744¼
+2
D
DM
149.14
St Fagans L C
pass
1744
pass
1746½
+2
154.08
Miskin
pass
1748
pass
1750½
+2
156.21
Pontyclun [PYC]
1
pass
1750
pass
1752½
+2
156.57
Llantrisant [LTI]
pass
1750½
No report
158.53
Llanharan [LLR]
2
pass
1752
pass
1754¾
+2
161.41
Pencoed [PCD]
1
pass
1754
pass
1756½
+2
164.42
Tremains
pass
1756½
pass
1758¾
+2
165.26
Bridgend [BGN]
1
1758
1800
1757½
1800
1800¼
1802¼
+2
DM
DM
169.46
Stormy
½
pass
1804½
pass
1807
+2
171.21
Pyle [PYL]
1
pass
1806
pass
1808¼
+2
173.45
Margam Moors Jn.
pass
1807½
pass
1809¼
+1
DM
175.12
Margam East Jn
pass
1808½
pass
1810¾
+2
176.00
Margam Middle Jn
pass
1809
pass
1811
+1
176.70
Port Talbot East
pass
1810
No report
177.39
Port Talbot Parkway [PTA]
1
1811
1812
1811
1812½
1813
1814¼
+1
179.38
Baglan [BAJ]
1
pass
1814½
pass
1817¼
+2
180.09
Briton Ferry East
pass
1815½
pass
1817½
+2
181.20
Briton Ferry [BNF]
1
pass
1816½
pass
1818¾
+2
181.38
Court Sart Jn
pass
1816½
pass
1818½
+2
183.00
Neath [NTH]
1 2½
1
1819
1820
1818½
1820
1820¼
1822¼
+2
185.06
Skewen [SKE]
1
pass
1824
pass
1825¾
+2
186.68
Llansamlet [LAS]
1
pass
1826½
pass
1827¾
+1
189.42
Landore Junction
pass
1831
pass
1830½
DM
DSM
190.23
Swansea Loop East
pass
1832
pass
1832
190.67
Swansea [SWA]
3
1834
1834
1834¼
DSM
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