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1B20 1516 London Paddington to Cardiff Central
Departing on 7th January 2026

operated by
Great Western Railway
9 coaches
802109
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
4
1516
1516
1516¾
2
0.41
Royal Oak Junction
pass
1517
pass
1518
+1
1.28
Portobello Jn (London)
pass
1518½
pass
1519¼
1.68
Ladbroke Grove
pass
1519
pass
1520
+1
2
DM
2.55
Old Oak Common East
pass
1519½
pass
1520¾
+1
3.15
Old Oak Common West
pass
1520
pass
1521¼
+1
3.48
Friars Jn
pass
1520½
pass
1521½
+1
4.16
Acton Main Line [AML]
pass
1521
pass
1522¼
+1
4.75
Acton West
pass
1521½
pass
1522½
+1
ML
ML
5.51
Ealing Broadway [EAL]
1
pass
1522
pass
1523
+1
6.41
West Ealing [WEA]
pass
1522½
pass
1523¾
+1
6.49
West Ealing Junction
pass
1522½
pass
1523¾
+1
7.23
Hanwell [HAN]
pass
1522½
pass
1524½
+1
8.57
Southall East Jn
pass
1523½
pass
1525¾
+2
9.01
Southall [STL]
1
pass
1523½
pass
1526½
+3
9.65
Southall West Jn
pass
1524
pass
1526½
+2
10.66
Hayes & Harlington [HAY]
1
pass
1524½
pass
1527¾
+3
11.09
Heathrow Airport Jn
pass
1524½
pass
1527½
+3
ML
12.04
Stockley Junction
pass
1525
pass
1528
+3
12.62
West Drayton East
pass
1525½
pass
1528½
+3
13.12
West Drayton [WDT]
1
pass
1525½
pass
1529
+3
13.26
West Drayton Jcn
pass
1525½
pass
1529¼
+3
14.55
Iver [IVR]
1
pass
1526
pass
1529¾
+3
16.13
Langley [LNY]
1
pass
1527
pass
1530¾
+3
17.13
Dolphin Jn
pass
1527½
pass
1531¼
+3
18.31
Slough [SLO]
2
pass
1528
pass
1532
+4
ML
19.06
Slough West
pass
1528½
pass
1532½
+4
20.72
Burnham [BNM]
pass
1529½
pass
1533½
+4
22.34
Taplow [TAP]
1
pass
1530
pass
1534¼
+4
23.53
Maidenhead East
pass
1530½
pass
1535¼
+4
24.14
Maidenhead [MAI]
1
pass
1531
pass
1535½
+4
29.40
Ruscombe
pass
1534
pass
1537¾
+4
30.76
Twyford [TWY]
1 ½
1
pass
1534½
pass
1538½
+4
ML
31.57
Twyford West
pass
1535
pass
1539
+3
35.10
Kennet Bridge Jn
pass
1538
pass
1541¼
+3
35.56
Reading Main Line East
pass
1538½
pass
1541¾
+3
35.75
Reading [RDG]
9
1540
1541
1539½
1541½
1542¾
1544
+2
DM
DM
36.12
Reading Main Line West
pass
1542
pass
1544¾
+2
36.45
Reading High Level Jn
pass
1542½
pass
1545¾
+3
ML
38.29
Tilehurst East Jn.
pass
1543½
pass
1546¾
+3
38.47
Tilehurst [TLH]
1
pass
1543½
pass
1546¾
+3
41.38
Pangbourne [PAN]
pass
1545½
pass
1548¼
+2
44.55
Goring & Streatley [GOR]
1
1
pass
1547½
pass
1550
+2
ML
48.32
Cholsey [CHO]
1
pass
1550
pass
1551¾
+1
51.32
Moreton Cutting
pass
1552
pass
1553
+1
52.61
Didcot East Jn
pass
1553
pass
1553½
53.05
Didcot Parkway [DID]
1
1554
1555
1553½
1555
1555
1556¾
+1
53.20
Didcot West End
pass
1555½
No report
53.50
Foxhall Jn [XJF]
pass
1556
pass
1557¾
+1
55.14
Milton Junction
pass
1557
pass
1558¾
+2
56.27
Steventon
pass
1557½
pass
1559¾
+2
60.17
Wantage Road
pass
1600
pass
1603½
+3
63.75
Challow
pass
1602
pass
1606¼
+4
66.34
Uffington (Oxfordshire)
1 2
pass
1603
pass
1607½
+4
72.25
Bourton
pass
1607½
pass
1610½
+2
74.46
Swindon South Marston Jn
pass
1609½
pass
1611½
+2
75.58
Swindon Stratton Green
pass
1610½
pass
1612¼
+2
76.27
Highworth Jn
pass
1611
pass
1612½
+1
76.59
Swindon East Loop
pass
1611
pass
1613¾
+2
77.18
Swindon [SWI]
4
1611
1614
1612
1614
1614½
1615½
+1
DM
DM
78.31
Rushey Platt
pass
1615½
pass
1617¼
+2
82.67
Wootton Bassett Jn
pass
1618½
pass
1620¼
+1
DM
DB
89.57
Little Somerford
pass
1622½
pass
1624½
+2
94.16
Hullavington
1
pass
1625
pass
1627
+2
99.76
Badminton
pass
1628½
pass
1629½
+1
104.40
Chipping Sodbury
pass
1631
pass
1632¼
+1
107.09
Westerleigh Jn
pass
1632½
pass
1634
+1
111.57
Bristol Parkway [BPW]
2
1635
1637
1635½
1637
1638
1640
+3
DB
DT
112.79
Patchway [PWY]
2
pass
1638½
pass
1641¾
+3
116.45
Pilning [PIL]
2
pass
1641
pass
1644¾
+3
118.03
Severn Tunnel East
pass
1642
pass
1645¾
+3
122.31
Severn Tunnel West
pass
1645½
pass
1649
+3
123.41
Severn Tunnel Junction [STJ]
3
pass
1646½
pass
1650½
+4
DT
DM
125.66
Magor
pass
1648
pass
1652
+4
130.72
Llanwern West Jn
pass
1651½
pass
1655½
+4
131.63
East Usk Jn.
pass
1652
pass
1656
+3
132.55
Maindee East Jn
pass
1653
pass
1657¼
+4
ML
132.77
Maindee West Jn
pass
1653½
pass
1658¾
+5
133.31
Newport (South Wales) [NWP]
2
1655
1656
1654½
1656
1700
1701½
+5
DM
UR
134.13
Gaer Jn
pass
1657½
pass
1703½
+6
UR
DM
134.68
Ebbw Jn
pass
1658½
pass
1704¼
+5
DM
DM
138.41
Marshfield
pass
1701
pass
1707¼
+6
142.42
Rumney River Bridge Jn
pass
1704
pass
1709¾
+6
143.01
Pengam Jn
pass
1704
pass
1710¼
+6
143.46
Moorland Road Junction
1
pass
1704½
pass
1710¾
+6
DM
DR
144.16
Long Dyke Jn
pass
1706
pass
1711½
+5
E
144.79
Cardiff East
pass
1708
pass
1712½
+4
DR
E
145.11
Cardiff Central [CDF]
forms 5L29 to Cardiff Central
3
1709
1709
1714
+5
E
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