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1B20 1516 London Paddington to Cardiff Central
Departing on 15th December 2025

operated by
Great Western Railway
10 coaches
800022
800027
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
11
1516
1516
1516
D3
0.41
Royal Oak Junction
pass
1517
pass
1517½
3
2
1.28
Portobello Jn (London)
pass
1518½
pass
1518¾
1.68
Ladbroke Grove
pass
1519
pass
1519½
2
DM
2.55
Old Oak Common East
pass
1519½
pass
1520¼
3.15
Old Oak Common West
pass
1520
pass
1520¾
3.48
Friars Jn
pass
1520½
pass
1521
4.16
Acton Main Line [AML]
pass
1521
pass
1521¾
4.75
Acton West
pass
1521½
pass
1522
ML
ML
5.51
Ealing Broadway [EAL]
1
pass
1522
pass
1522½
6.41
West Ealing [WEA]
pass
1522½
pass
1523
6.49
West Ealing Junction
pass
1522½
pass
1523
7.23
Hanwell [HAN]
pass
1522½
pass
1523¼
8.57
Southall East Jn
pass
1523½
pass
1524
9.01
Southall [STL]
1
pass
1523½
pass
1524½
+1
9.65
Southall West Jn
pass
1524
pass
1524½
10.66
Hayes & Harlington [HAY]
1
pass
1524½
pass
1525¼
+1
11.09
Heathrow Airport Jn
pass
1524½
pass
1525¼
ML
12.04
Stockley Junction
pass
1525
pass
1525½
12.62
West Drayton East
pass
1525½
pass
1526
13.12
West Drayton [WDT]
1
pass
1525½
pass
1526½
+1
13.26
West Drayton Jcn
pass
1525½
pass
1526½
+1
14.55
Iver [IVR]
1
pass
1526
pass
1527
16.13
Langley [LNY]
1
pass
1527
pass
1528
+1
17.13
Dolphin Jn
pass
1527½
pass
1528¼
+1
18.31
Slough [SLO]
2
pass
1528
pass
1529
+1
ML
19.06
Slough West
pass
1528½
pass
1529¼
20.72
Burnham [BNM]
pass
1529½
pass
1530
22.34
Taplow [TAP]
1
pass
1530
pass
1530¾
23.53
Maidenhead East
pass
1530½
pass
1531½
24.14
Maidenhead [MAI]
1
pass
1531
pass
1532
+1
29.40
Ruscombe
pass
1534
pass
1534
30.76
Twyford [TWY]
1 ½
1
pass
1534½
pass
1534¾
ML
31.57
Twyford West
pass
1535
pass
1535¼
35.10
Kennet Bridge Jn
pass
1538
pass
1538
35.56
Reading Main Line East
pass
1538½
pass
1538¾
35.75
Reading [RDG]
9
1540
1541
1539½
1541½
1540
1542
DM
DM
36.12
Reading Main Line West
pass
1542
pass
1542½
36.45
Reading High Level Jn
pass
1542½
pass
1543½
+1
ML
38.29
Tilehurst East Jn.
pass
1543½
pass
1544½
38.47
Tilehurst [TLH]
1
pass
1543½
pass
1544½
41.38
Pangbourne [PAN]
pass
1545½
pass
1545¾
44.55
Goring & Streatley [GOR]
1
1
pass
1547½
pass
1547¾
ML
48.32
Cholsey [CHO]
1
pass
1550
pass
1549¼
51.32
Moreton Cutting
pass
1552
pass
1550¾
-1
52.61
Didcot East Jn
pass
1553
pass
1551½
-1
53.05
Didcot Parkway [DID]
1
1554
1555
1553½
1555
1553
1555
53.20
Didcot West End
pass
1555½
No report
53.50
Foxhall Jn [XJF]
pass
1556
pass
1555¾
55.14
Milton Junction
pass
1557
pass
1556¾
56.27
Steventon
pass
1557½
pass
1557¾
60.17
Wantage Road
pass
1600
pass
1600¼
63.75
Challow
pass
1602
pass
1602¼
66.34
Uffington (Oxfordshire)
1 2
pass
1603
pass
1603½
72.25
Bourton
pass
1607½
pass
1606¼
-1
74.46
Swindon South Marston Jn
pass
1609½
pass
1607½
-1
75.58
Swindon Stratton Green
pass
1610½
pass
1608¼
-1
76.27
Highworth Jn
pass
1611
pass
1608½
-2
76.59
Swindon East Loop
pass
1611
pass
1609¾
-1
77.18
Swindon [SWI]
4
1611
1614
1612
1614
1610¾
1613¾
DM
DM
82.67
Wootton Bassett Jn
pass
1618½
pass
1618¾
DM
DB
89.57
Little Somerford
pass
1622½
pass
1622¾
94.16
Hullavington
1
pass
1625
pass
1625
99.76
Badminton
pass
1628½
pass
1627½
104.40
Chipping Sodbury
pass
1631
pass
1630¼
107.09
Westerleigh Jn
pass
1632½
pass
1632
111.57
Bristol Parkway [BPW]
2
1635
1637
1635½
1637
1636¼
1637¾
DB
DT
112.79
Patchway [PWY]
2
pass
1638½
pass
1639¼
116.45
Pilning [PIL]
2
pass
1641
pass
1642¼
+1
118.03
Severn Tunnel East
pass
1642
pass
1643¼
+1
122.31
Severn Tunnel West
pass
1645½
pass
1646½
+1
123.41
Severn Tunnel Junction [STJ]
3
pass
1646½
pass
1648
+1
DT
DM
125.66
Magor
pass
1648
pass
1649½
+1
130.72
Llanwern West Jn
pass
1651½
pass
1653¼
+1
131.63
East Usk Jn.
pass
1652
pass
1653¾
+1
132.55
Maindee East Jn
pass
1653
pass
1654¾
+1
ML
132.77
Maindee West Jn
pass
1653½
pass
1655¾
+2
133.31
Newport (South Wales) [NWP]
2
1655
1656
1654½
1656
1657
1658¾
+2
DM
DM
134.13
Gaer Jn
pass
1657½
pass
1700½
+3
DM
134.68
Ebbw Jn
pass
1658½
pass
1701¼
+2
DM
DM
138.41
Marshfield
pass
1701
pass
1704
+3
142.42
Rumney River Bridge Jn
pass
1704
pass
1706½
+2
143.01
Pengam Jn
pass
1704
pass
1707
+2
143.46
Moorland Road Junction
1
pass
1704½
pass
1707½
+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
1711½
+2
E
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