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1B20 1516 London Paddington to Cardiff Central
Departing on 4th December 2025

operated by
Great Western Railway
18 coaches
800317
802108
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
9
1516
1516
1519¼
+3
3
0.41
Royal Oak Junction
pass
1517
pass
1520½
+3
3
2
1.28
Portobello Jn (London)
pass
1518½
pass
1521¾
+3
1.68
Ladbroke Grove
pass
1519
pass
1522½
+3
2
DM
2.55
Old Oak Common East
pass
1519½
pass
1523¼
+3
3.15
Old Oak Common West
pass
1520
pass
1523¾
+3
3.48
Friars Jn
pass
1520½
pass
1524
+3
4.16
Acton Main Line [AML]
pass
1521
pass
1524½
+3
4.75
Acton West
pass
1521½
pass
1525
+3
ML
ML
5.51
Ealing Broadway [EAL]
1
pass
1522
pass
1525½
+3
6.41
West Ealing [WEA]
pass
1522½
pass
1525¾
+3
6.49
West Ealing Junction
pass
1522½
pass
1525¾
+3
7.23
Hanwell [HAN]
pass
1522½
pass
1526¼
+3
8.57
Southall East Jn
pass
1523½
pass
1527
+3
9.01
Southall [STL]
1
pass
1523½
pass
1527½
+4
9.65
Southall West Jn
pass
1524
pass
1527½
+3
10.66
Hayes & Harlington [HAY]
1
pass
1524½
pass
1528¼
+4
11.09
Heathrow Airport Jn
pass
1524½
pass
1528¼
+3
ML
12.04
Stockley Junction
pass
1525
pass
1528½
+3
12.62
West Drayton East
pass
1525½
pass
1529
+3
13.12
West Drayton [WDT]
1
pass
1525½
pass
1529½
+4
13.26
West Drayton Jcn
pass
1525½
pass
1529½
+4
14.55
Iver [IVR]
1
pass
1526
pass
1530
+3
16.13
Langley [LNY]
1
pass
1527
pass
1531
+4
17.13
Dolphin Jn
pass
1527½
pass
1531¼
+4
18.31
Slough [SLO]
2
pass
1528
pass
1532
+4
ML
19.06
Slough West
pass
1528½
pass
1532¼
+3
20.72
Burnham [BNM]
pass
1529½
pass
1533
+3
22.34
Taplow [TAP]
1
pass
1530
pass
1533¾
+3
23.53
Maidenhead East
pass
1530½
pass
1534½
+3
24.14
Maidenhead [MAI]
1
pass
1531
pass
1535
+4
29.40
Ruscombe
pass
1534
pass
1538½
+4
30.76
Twyford [TWY]
1 ½
1
pass
1534½
pass
1539½
+5
ML
31.57
Twyford West
pass
1535
pass
1539¾
+4
35.10
Kennet Bridge Jn
pass
1538
pass
1542¾
+4
35.56
Reading Main Line East
pass
1538½
pass
1543½
+4
35.75
Reading [RDG]
9
1540
1541
1539½
1541½
1544¾
1546
+4
DM
DM
36.12
Reading Main Line West
pass
1542
pass
1546¾
+4
36.45
Reading High Level Jn
pass
1542½
pass
1547¾
+5
ML
38.29
Tilehurst East Jn.
pass
1543½
pass
1548¾
+5
38.47
Tilehurst [TLH]
1
pass
1543½
pass
1548¾
+5
41.38
Pangbourne [PAN]
pass
1545½
pass
1550
+4
44.55
Goring & Streatley [GOR]
1
1
pass
1547½
pass
1552
+4
ML
48.32
Cholsey [CHO]
1
pass
1550
pass
1553½
+3
51.32
Moreton Cutting
pass
1552
pass
1555
+3
52.61
Didcot East Jn
pass
1553
pass
1555½
+2
53.05
Didcot Parkway [DID]
1
1554
1555
1553½
1555
1557
1558½
+3
53.20
Didcot West End
pass
1555½
No report
53.50
Foxhall Jn [XJF]
pass
1556
pass
1559½
+3
55.14
Milton Junction
pass
1557
pass
1600½
+3
56.27
Steventon
pass
1557½
pass
1601¼
+3
60.17
Wantage Road
pass
1600
pass
1604
+4
63.75
Challow
pass
1602
pass
1606
+4
66.34
Uffington (Oxfordshire)
1
pass
1603
pass
1607
+4
72.25
Bourton
pass
1606½
pass
1610
+3
74.46
Swindon South Marston Jn
pass
1608
pass
1611¼
+3
75.58
Swindon Stratton Green
pass
1608½
pass
1612
+3
76.27
Highworth Jn
pass
1609
pass
1612¼
+3
76.59
Swindon East Loop
pass
1609
pass
1613½
+4
77.18
Swindon [SWI]
4
1609
1612
1610
1612
1614½
1615½
+3
DM
DM
82.67
Wootton Bassett Jn
pass
1616½
pass
1620
+3
DM
DB
89.57
Little Somerford
pass
1620½
pass
1624
+3
94.16
Hullavington
1
pass
1623
pass
1626½
+3
99.76
Badminton
pass
1626½
pass
1629
+2
104.40
Chipping Sodbury
pass
1629
pass
1631¾
+3
107.09
Westerleigh Jn
pass
1630½
pass
1633½
+3
111.57
Bristol Parkway [BPW]
2
1633
1635
1633½
1635
1637½
1639½
+4
DB
DT
112.79
Patchway [PWY]
2
pass
1636½
pass
1641¼
+4
116.45
Pilning [PIL]
2
pass
1639
pass
1644
+5
118.03
Severn Tunnel East
pass
1640
pass
1645¼
+5
122.31
Severn Tunnel West
pass
1643½
pass
1648½
+5
123.41
Severn Tunnel Junction [STJ]
3
pass
1644½
pass
1650
+5
DT
DM
125.66
Magor
pass
1646
pass
1651½
+5
130.72
Llanwern West Jn
pass
1649½
pass
1655¼
+5
131.63
East Usk Jn.
pass
1650½
pass
1655¾
+5
132.55
Maindee East Jn
pass
1651
pass
1657
+5
132.77
Maindee West Jn
pass
1651½
pass
1658½
+7
DM
DR
133.31
Newport (South Wales) [NWP]
1
1653
1654
1652½
1654
1700
1701¾
+7
DR
DR
134.13
Gaer Jn
pass
1655½
pass
1703¾
+8
DR
DM
134.68
Ebbw Jn
pass
1656½
pass
1704¾
+8
DM
DM
138.41
Marshfield
1
pass
1659
pass
1707½
+8
142.42
Rumney River Bridge Jn
pass
1702½
pass
1709¾
+7
143.01
Pengam Jn
pass
1703
pass
1710¼
+7
143.46
Moorland Road Junction
pass
1703½
pass
1710¾
+7
144.16
Long Dyke Jn
pass
1704
pass
1711¾
+7
E
144.79
Cardiff East
pass
1705½
pass
1712¾
+7
DM
E
145.11
Cardiff Central [CDF]
forms 5L29 to Cardiff Central
3
1706
1706
1714¼
+8
E
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