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1B21 1548 London Paddington to Swansea
Departing on 30th November 2024

operated by
Great Western Railway
9 coaches
800311
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
1
1548
1548
1547¾
1
0.41
Royal Oak Junction
pass
1549
pass
1549
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
1551¾
3.15
Old Oak Common West
pass
1552
pass
1552¼
3.48
Friars Jn
pass
1552½
pass
1552½
4.16
Acton Main Line [AML]
pass
1553
pass
1553
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
1554¼
6.49
West Ealing Junction
pass
1554½
pass
1554¼
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
1602
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
1609¼
35.56
Reading Main Line East
pass
1610
pass
1611
35.75
Reading [RDG]
9
1611
1613
1611
1613
1612
1613¾
DM
DM
36.12
Reading Main Line West
pass
1613½
pass
1614½
36.45
Reading High Level Jn
pass
1614
pass
1615¼
+1
ML
38.29
Tilehurst East Jn.
pass
1615
pass
1616½
+1
38.47
Tilehurst [TLH]
1
pass
1615
pass
1616½
+1
41.38
Pangbourne [PAN]
pass
1617
pass
1617¾
44.55
Goring & Streatley [GOR]
1
1
pass
1619
pass
1619¾
ML
48.32
Cholsey [CHO]
1
pass
1621
pass
1621¼
51.32
Moreton Cutting
pass
1623
pass
1622½
52.61
Didcot East Jn
pass
1624
pass
1623¼
53.05
Didcot Parkway [DID]
1
pass
1624
pass
1623¾
53.20
Didcot West End
pass
1624
No report
53.50
Foxhall Jn [XJF]
pass
1624½
pass
1624
55.14
Milton Junction
pass
1625
pass
1624¼
56.27
Steventon
pass
1626
pass
1625
60.17
Wantage Road
pass
1628
pass
1627¼
63.75
Challow
pass
1630
pass
1629
66.34
Uffington (Oxfordshire)
1
pass
1631
pass
1630¼
72.25
Bourton
pass
1634½
pass
1633
-1
74.46
Swindon South Marston Jn
pass
1636
pass
1634¼
-1
75.58
Swindon Stratton Green
pass
1636½
pass
1635
-1
76.27
Highworth Jn
pass
1637
pass
1635¼
-1
76.59
Swindon East Loop
pass
1637
pass
1636½
77.18
Swindon [SWI]
4
1638
1640
1638
1640
1637¼
1639½
DM
DM
82.67
Wootton Bassett Jn
pass
1644½
pass
1644½
DM
DB
89.57
Little Somerford
pass
1648½
pass
1648¾
94.16
Hullavington
1
pass
1651
pass
1651¼
99.76
Badminton
pass
1654½
pass
1653¾
104.40
Chipping Sodbury
pass
1657
pass
1657¾
+1
107.09
Westerleigh Jn
pass
1658½
pass
1700½
+2
111.57
Bristol Parkway [BPW]
½
2
1702
1704
1701½
1704
1705
1706¾
+2
DB
DT
112.79
Patchway [PWY]
2
pass
1706
pass
1708¼
+2
116.45
Pilning [PIL]
2
pass
1708½
pass
1711¼
+2
118.03
Severn Tunnel East
pass
1709½
pass
1712¼
+2
122.31
Severn Tunnel West
pass
1713
pass
1715¾
+2
123.41
Severn Tunnel Junction [STJ]
3
pass
1714
pass
1717¼
+3
DT
DM
125.66
Magor
pass
1715½
pass
1718¾
+3
130.72
Llanwern West Jn
pass
1719
pass
1722½
+3
131.63
East Usk Jn.
pass
1720
pass
1723
+3
132.55
Maindee East Jn
pass
1720½
pass
1724¼
+3
132.77
Maindee West Jn
pass
1721
pass
1725
+4
133.31
Newport (South Wales) [NWP]
2
1722
1724
1722
1724½
1726¼
1728
+3
DM
DM
134.13
Gaer Jn
pass
1726
pass
1729¾
+3
DM
134.68
Ebbw Jn
pass
1727
pass
1730¾
+3
DM
DM
138.41
Marshfield
1
pass
1729½
pass
1733¾
+4
142.42
Rumney River Bridge Jn
pass
1733
pass
1736
+3
143.01
Pengam Jn
pass
1733½
pass
1736½
+3
143.46
Moorland Road Junction
pass
1734
pass
1737
+3
DM
UR
144.16
Long Dyke Jn
pass
1734½
pass
1737¾
+3
E
144.79
Cardiff East
pass
1736
pass
1739
+3
UR
D
145.11
Cardiff Central [CDF]
Pathed as Class 80x on diesel from here
3
1737
1739
1736½
1739½
1740½
1744½
+5
D
D
145.37
Cardiff West
pass
1740½
No report
146.36
Leckwith North Jn
pass
1742½
pass
1747¾
+5
D
DM
149.14
St Fagans L C
pass
1744½
pass
1750
+5
154.08
Miskin
pass
1748½
pass
1754
+5
156.21
Pontyclun [PYC]
1
pass
1750½
pass
1755¾
+5
156.57
Llantrisant [LTI]
pass
1751
No report
158.53
Llanharan [LLR]
2
pass
1752½
pass
1758
+5
161.41
Pencoed [PCD]
1
pass
1754½
pass
1804
+9
164.42
Tremains
pass
1757
pass
1806½
+9
165.26
Bridgend [BGN]
1
1758
1759
1758
1759½
1808¼
1810¾
+11
DM
DM
169.46
Stormy
pass
1804
pass
1815½
+11
171.21
Pyle [PYL]
1
pass
1805
pass
1816½
+11
173.45
Margam Moors Jn.
pass
1806½
pass
1817¾
+11
DM
175.12
Margam East Jn
pass
1807½
pass
1819
+11
176.00
Margam Middle Jn
pass
1808
pass
1819¼
+11
176.70
Port Talbot East
pass
1809
No report
177.39
Port Talbot Parkway [PTA]
1
1810
1811
1810
1811½
1821¼
1823¼
+11
179.38
Baglan [BAJ]
1
pass
1813½
pass
1826
+12
180.09
Briton Ferry East
pass
1814½
pass
1826¼
+12
181.20
Briton Ferry [BNF]
1
pass
1815½
pass
1827½
+12
181.38
Court Sart Jn
pass
1815½
pass
1827¼
+11
183.00
Neath [NTH]
1
1
1818
1819
1817½
1819
1829¼
1831¾
+12
185.06
Skewen [SKE]
1
pass
1822
pass
1834½
+12
186.68
Llansamlet [LAS]
1
pass
1824½
pass
1836½
+12
189.42
Landore Junction
pass
1827½
pass
1839¼
+11
DM
DSM
190.23
Swansea Loop East
pass
1828½
pass
1841
+12
190.67
Swansea [SWA]
3
1830
1830
1843¼
+13
DSM
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