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1B20 1516 London Paddington to Cardiff Central
Departing on 8th January 2026

operated by
Great Western Railway
5 coaches
800021
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
10
1516
1516
1525
+9
4
0.41
Royal Oak Junction
pass
1517
pass
1526½
+9
4
4
1.28
Portobello Jn (London)
pass
1518½
pass
1528¼
+9
4
3
1.68
Ladbroke Grove
pass
1519
pass
1530
+11
3
DM
2.55
Old Oak Common East
pass
1519½
pass
1531¾
+12
3.15
Old Oak Common West
pass
1520
pass
1532½
+12
3.48
Friars Jn
pass
1520½
pass
1532¾
+12
4.16
Acton Main Line [AML]
pass
1521
pass
1533¼
+12
4.75
Acton West
pass
1521½
pass
1533¾
+12
ML
ML
5.51
Ealing Broadway [EAL]
1
pass
1522
pass
1534
+12
6.41
West Ealing [WEA]
pass
1522½
pass
1534½
+12
6.49
West Ealing Junction
pass
1522½
pass
1534½
+12
7.23
Hanwell [HAN]
pass
1522½
pass
1534¾
+12
8.57
Southall East Jn
pass
1523½
pass
1535¾
+12
9.01
Southall [STL]
1
pass
1523½
pass
1536¼
+12
9.65
Southall West Jn
pass
1524
pass
1536½
+12
10.66
Hayes & Harlington [HAY]
1
pass
1524½
pass
1537½
+13
11.09
Heathrow Airport Jn
pass
1524½
pass
1537½
+13
ML
12.04
Stockley Junction
pass
1525
pass
1538
+13
12.62
West Drayton East
pass
1525½
pass
1538½
+13
13.12
West Drayton [WDT]
1
pass
1525½
pass
1539
+13
13.26
West Drayton Jcn
pass
1525½
pass
1539
+13
14.55
Iver [IVR]
1
pass
1526
pass
1539½
+13
16.13
Langley [LNY]
1
pass
1527
pass
1540½
+13
17.13
Dolphin Jn
pass
1527½
pass
1541
+13
18.31
Slough [SLO]
2
pass
1528
pass
1543
+15
ML
19.06
Slough West
pass
1528½
pass
1544¼
+15
20.72
Burnham [BNM]
pass
1529½
pass
1546
+16
22.34
Taplow [TAP]
1
pass
1530
pass
1547
+16
23.53
Maidenhead East
pass
1530½
pass
1548½
+17
24.14
Maidenhead [MAI]
1
pass
1531
pass
1549¼
+18
29.40
Ruscombe
pass
1534
pass
1554¼
+20
30.76
Twyford [TWY]
1 ½
1
pass
1534½
pass
1556
+21
ML
31.57
Twyford West
pass
1535
pass
1556¾
+21
35.10
Kennet Bridge Jn
pass
1538
pass
1600½
+22
35.56
Reading Main Line East
pass
1538½
pass
1601
+22
35.75
Reading [RDG]
8
1540
1541
1539½
1541½
1602¼
1603½
+22
DM
DM
36.12
Reading Main Line West
pass
1542
pass
1604¼
+22
36.45
Reading High Level Jn
pass
1542½
pass
1605¼
+22
ML
38.29
Tilehurst East Jn.
pass
1543½
pass
1606¼
+22
38.47
Tilehurst [TLH]
1
pass
1543½
pass
1606¼
+22
41.38
Pangbourne [PAN]
pass
1545½
pass
1607½
+22
44.55
Goring & Streatley [GOR]
1
1
pass
1547½
pass
1609½
+22
ML
48.32
Cholsey [CHO]
1
pass
1550
pass
1611
+21
51.32
Moreton Cutting
pass
1552
pass
1612¼
+20
52.61
Didcot East Jn
pass
1553
pass
1613
+20
53.05
Didcot Parkway [DID]
1
1554
1555
1553½
1555
1614¾
1616¼
+21
53.20
Didcot West End
pass
1555½
No report
53.50
Foxhall Jn [XJF]
pass
1556
pass
1617¼
+21
55.14
Milton Junction
pass
1557
pass
1618
+21
56.27
Steventon
pass
1557½
pass
1619
+21
60.17
Wantage Road
pass
1600
pass
1622¾
+22
63.75
Challow
pass
1602
pass
1625¾
+23
66.34
Uffington (Oxfordshire)
1 2
pass
1603
pass
1627
+24
72.25
Bourton
pass
1607½
pass
1630
+22
74.46
Swindon South Marston Jn
pass
1609½
pass
1631¼
+21
75.58
Swindon Stratton Green
pass
1610½
pass
1632
+21
76.27
Highworth Jn
pass
1611
pass
1632
+21
76.59
Swindon East Loop
pass
1611
pass
1633¼
+22
77.18
Swindon [SWI]
4
1611
1614
1612
1614
1634
1635¼
+21
DM
DM
78.31
Rushey Platt
pass
1615½
pass
1636¾
+21
82.67
Wootton Bassett Jn
pass
1618½
pass
1640
+21
DM
DB
89.57
Little Somerford
pass
1622½
pass
1644
+21
94.16
Hullavington
1
pass
1625
pass
1646½
+21
99.76
Badminton
pass
1628½
pass
1648¾
+20
104.40
Chipping Sodbury
pass
1631
pass
1651½
+20
107.09
Westerleigh Jn
pass
1632½
pass
1653¼
+20
111.57
Bristol Parkway [BPW]
2
1635
1637
1635½
1637
1657
1659
+22
DB
DT
112.79
Patchway [PWY]
2
pass
1638½
pass
1700¾
+22
116.45
Pilning [PIL]
2
pass
1641
pass
1703½
+22
118.03
Severn Tunnel East
pass
1642
pass
1704½
+22
122.31
Severn Tunnel West
pass
1645½
pass
1707¾
+22
123.41
Severn Tunnel Junction [STJ]
3
pass
1646½
pass
1709¼
+22
DT
DM
125.66
Magor
pass
1648
pass
1710¾
+22
130.72
Llanwern West Jn
pass
1651½
pass
1714¼
+22
131.63
East Usk Jn.
pass
1652
pass
1715
+22
132.55
Maindee East Jn
pass
1653
pass
1716¼
+23
ML
132.77
Maindee West Jn
pass
1653½
pass
1717
+23
133.31
Newport (South Wales) [NWP]
2
1655
1656
1654½
1656
1718¼
1719¾
+23
DM
DM
134.13
Gaer Jn
pass
1657½
pass
1721½
+24
DM
134.68
Ebbw Jn
pass
1658½
pass
1722¼
+23
DM
DM
138.41
Marshfield
pass
1701
pass
1724¾
+23
142.42
Rumney River Bridge Jn
pass
1704
pass
1727¼
+23
143.01
Pengam Jn
pass
1704
pass
1727¾
+23
143.46
Moorland Road Junction
1
pass
1704½
pass
1728¼
+23
RL
144.16
Long Dyke Jn
pass
1706
pass
1729½
+23
E
144.79
Cardiff East
pass
1708
pass
1730¾
+22
DM
B
145.11
Cardiff Central [CDF]
forms 5L29 to Cardiff Central
1
1709
1709
1732½
+23
B
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