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1B20 1516 London Paddington to Cardiff Central
Departing on 16th December 2025

operated by
Great Western Railway
10 coaches
800021
800024
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
1515¾
2
0.41
Royal Oak Junction
pass
1517
pass
1517
1.28
Portobello Jn (London)
pass
1518½
pass
1518
1.68
Ladbroke Grove
pass
1519
pass
1518¾
2
DM
2.55
Old Oak Common East
pass
1519½
pass
1519¾
3.15
Old Oak Common West
pass
1520
pass
1520¼
3.48
Friars Jn
pass
1520½
pass
1520½
4.16
Acton Main Line [AML]
pass
1521
pass
1521
4.75
Acton West
pass
1521½
pass
1521½
ML
ML
5.51
Ealing Broadway [EAL]
1
pass
1522
pass
1521¾
6.41
West Ealing [WEA]
pass
1522½
pass
1522¼
6.49
West Ealing Junction
pass
1522½
pass
1522¼
7.23
Hanwell [HAN]
pass
1522½
pass
1522¾
8.57
Southall East Jn
pass
1523½
pass
1523½
9.01
Southall [STL]
1
pass
1523½
pass
1524
9.65
Southall West Jn
pass
1524
pass
1524
10.66
Hayes & Harlington [HAY]
1
pass
1524½
pass
1524¾
11.09
Heathrow Airport Jn
pass
1524½
pass
1524½
ML
12.04
Stockley Junction
pass
1525
pass
1525
12.62
West Drayton East
pass
1525½
pass
1525½
13.12
West Drayton [WDT]
1
pass
1525½
pass
1526
13.26
West Drayton Jcn
pass
1525½
pass
1526
14.55
Iver [IVR]
1
pass
1526
pass
1526½
16.13
Langley [LNY]
1
pass
1527
pass
1527½
17.13
Dolphin Jn
pass
1527½
pass
1527¾
18.31
Slough [SLO]
2
pass
1528
pass
1528¼
ML
19.06
Slough West
pass
1528½
pass
1528½
20.72
Burnham [BNM]
pass
1529½
pass
1529¼
22.34
Taplow [TAP]
1
pass
1530
pass
1530
23.53
Maidenhead East
pass
1530½
pass
1531
24.14
Maidenhead [MAI]
1
pass
1531
pass
1531¼
29.40
Ruscombe
pass
1534
pass
1534½
30.76
Twyford [TWY]
1 ½
1
pass
1534½
pass
1535½
+1
ML
31.57
Twyford West
pass
1535
pass
1536
+1
35.10
Kennet Bridge Jn
pass
1538
pass
1539¾
+1
35.56
Reading Main Line East
pass
1538½
pass
1540¼
+1
35.75
Reading [RDG]
9
1540
1541
1539½
1541½
1541½
1542½
+1
DM
DM
36.12
Reading Main Line West
pass
1542
pass
1543¼
+1
36.45
Reading High Level Jn
pass
1542½
pass
1544
+1
ML
38.29
Tilehurst East Jn.
pass
1543½
pass
1545
+1
38.47
Tilehurst [TLH]
1
pass
1543½
pass
1545
+1
41.38
Pangbourne [PAN]
pass
1545½
pass
1546½
44.55
Goring & Streatley [GOR]
1
1
pass
1547½
pass
1548¼
ML
48.32
Cholsey [CHO]
1
pass
1550
pass
1550
51.32
Moreton Cutting
pass
1552
pass
1551¼
52.61
Didcot East Jn
pass
1553
pass
1551¾
53.05
Didcot Parkway [DID]
1
1554
1555
1553½
1555
1553¼
1554¾
53.20
Didcot West End
pass
1555½
No report
53.50
Foxhall Jn [XJF]
pass
1556
pass
1555½
55.14
Milton Junction
pass
1557
pass
1556½
56.27
Steventon
pass
1557½
pass
1557½
60.17
Wantage Road
pass
1600
pass
1600
63.75
Challow
pass
1602
pass
1602
66.34
Uffington (Oxfordshire)
1 2
pass
1603
pass
1603
72.25
Bourton
pass
1607½
pass
1606
-1
74.46
Swindon South Marston Jn
pass
1609½
pass
1607
-2
75.58
Swindon Stratton Green
pass
1610½
pass
1607¾
-2
76.27
Highworth Jn
pass
1611
pass
1608
-2
76.59
Swindon East Loop
pass
1611
pass
1609
-1
77.18
Swindon [SWI]
4
1611
1614
1612
1614
1609¾
1613¾
DM
DM
82.67
Wootton Bassett Jn
pass
1618½
pass
1618
DM
DB
89.57
Little Somerford
pass
1622½
pass
1622¼
94.16
Hullavington
1
pass
1625
pass
1624¾
99.76
Badminton
pass
1628½
pass
1627
-1
104.40
Chipping Sodbury
pass
1631
pass
1630
107.09
Westerleigh Jn
pass
1632½
pass
1631¾
111.57
Bristol Parkway [BPW]
2
1635
1637
1635½
1637
1636½
1638¼
+1
DB
DT
112.79
Patchway [PWY]
2
pass
1638½
pass
1639¾
+1
116.45
Pilning [PIL]
2
pass
1641
pass
1642¾
+1
118.03
Severn Tunnel East
pass
1642
pass
1643¾
+1
122.31
Severn Tunnel West
pass
1645½
pass
1647
+1
123.41
Severn Tunnel Junction [STJ]
3
pass
1646½
pass
1648½
+2
DT
DM
125.66
Magor
pass
1648
pass
1650
+2
130.72
Llanwern West Jn
pass
1651½
pass
1653¾
+2
131.63
East Usk Jn.
pass
1652
pass
1654¼
+2
132.55
Maindee East Jn
pass
1653
pass
1655¼
+2
ML
132.77
Maindee West Jn
pass
1653½
pass
1656¼
+2
133.31
Newport (South Wales) [NWP]
2
1655
1656
1654½
1656
1657¼
1659¼
+3
DM
DM
134.13
Gaer Jn
pass
1657½
pass
1701
+3
DM
134.68
Ebbw Jn
pass
1658½
pass
1702
+3
DM
DM
138.41
Marshfield
pass
1701
pass
1704¾
+3
142.42
Rumney River Bridge Jn
pass
1704
pass
1707
+3
143.01
Pengam Jn
pass
1704
pass
1707½
+3
143.46
Moorland Road Junction
1
pass
1704½
pass
1708¼
+3
DM
DR
144.16
Long Dyke Jn
pass
1706
pass
1708¾
+2
E
144.79
Cardiff East
pass
1708
pass
1710
+1
DR
E
145.11
Cardiff Central [CDF]
forms 5L29 to Cardiff Central
3
1709
1709
1711¼
+2
E
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