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1B23 1616 London Paddington to Cardiff Central
Departing on 13th December 2025

operated by
Great Western Railway
9 coaches
800318
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
1616
1616
1615¾
1
0.41
Royal Oak Junction
pass
1617
pass
1616¾
1.28
Portobello Jn (London)
pass
1618½
pass
1618
1.68
Ladbroke Grove
pass
1619
pass
1618¾
1
DM
2.55
Old Oak Common East
pass
1619½
pass
1619½
3.15
Old Oak Common West
pass
1620
pass
1620
3.48
Friars Jn
pass
1620½
pass
1620¼
4.16
Acton Main Line [AML]
pass
1621
pass
1620¾
4.75
Acton West
pass
1621½
pass
1621¼
ML
ML
5.51
Ealing Broadway [EAL]
1
pass
1622
pass
1621½
6.41
West Ealing [WEA]
pass
1622½
pass
1622
6.49
West Ealing Junction
pass
1622½
pass
1622
7.23
Hanwell [HAN]
pass
1622½
pass
1622½
8.57
Southall East Jn
pass
1623½
pass
1623¼
9.01
Southall [STL]
1
pass
1623½
pass
1623¾
9.65
Southall West Jn
pass
1624
pass
1623¾
10.66
Hayes & Harlington [HAY]
1
pass
1624½
pass
1624½
11.09
Heathrow Airport Jn
pass
1624½
pass
1624¼
ML
12.04
Stockley Junction
pass
1625
pass
1624¾
12.62
West Drayton East
pass
1625½
pass
1625¼
13.12
West Drayton [WDT]
1
pass
1625½
pass
1625¾
13.26
West Drayton Jcn
pass
1625½
pass
1625¾
14.55
Iver [IVR]
1
pass
1626
pass
1626¼
16.13
Langley [LNY]
1
pass
1627
pass
1627¼
17.13
Dolphin Jn
pass
1627½
pass
1627½
18.31
Slough [SLO]
2
pass
1628
pass
1628
ML
19.06
Slough West
pass
1628½
pass
1628¼
20.72
Burnham [BNM]
pass
1629½
pass
1629
22.34
Taplow [TAP]
1
pass
1630
pass
1630
23.53
Maidenhead East
pass
1630½
pass
1630¾
24.14
Maidenhead [MAI]
1
pass
1631
pass
1631
29.40
Ruscombe
pass
1634
pass
1633¼
30.76
Twyford [TWY]
1
1
pass
1634½
pass
1634
ML
31.57
Twyford West
pass
1635
pass
1634½
35.10
Kennet Bridge Jn
pass
1637½
pass
1637
35.56
Reading Main Line East
pass
1638
pass
1637¾
35.75
Reading [RDG]
8
1639
1642
1639
1642
1639
1642
DM
DM
36.12
Reading Main Line West
pass
1642½
pass
1642½
36.45
Reading High Level Jn
pass
1643
pass
1643½
ML
38.29
Tilehurst East Jn.
pass
1644
pass
1644½
38.47
Tilehurst [TLH]
1
pass
1644
pass
1644¾
41.38
Pangbourne [PAN]
pass
1646
pass
1646
44.55
Goring & Streatley [GOR]
1
1
pass
1648
pass
1647¾
ML
48.32
Cholsey [CHO]
1
pass
1650½
pass
1649½
51.32
Moreton Cutting
pass
1652½
pass
1650¾
-1
52.61
Didcot East Jn
pass
1653½
pass
1651½
-1
53.05
Didcot Parkway [DID]
1
1654
1655
1654
1655½
1653
1655
53.20
Didcot West End
pass
1656
No report
53.50
Foxhall Jn [XJF]
pass
1656½
pass
1656
55.14
Milton Junction
pass
1657½
pass
1656¾
56.27
Steventon
pass
1658
pass
1657¾
60.17
Wantage Road
pass
1700½
pass
1700¼
63.75
Challow
pass
1702½
pass
1702¼
66.34
Uffington (Oxfordshire)
1
pass
1703½
pass
1703½
72.25
Bourton
pass
1707
pass
1706¼
74.46
Swindon South Marston Jn
pass
1708½
pass
1707½
75.58
Swindon Stratton Green
pass
1709
pass
1708¼
76.27
Highworth Jn
pass
1709½
pass
1708¼
-1
76.59
Swindon East Loop
pass
1709½
pass
1709½
77.18
Swindon [SWI]
4
1711
1712
1710½
1712½
1710¼
1711¾
DM
DM
82.67
Wootton Bassett Jn
pass
1717
pass
1716½
DM
DB
89.57
Little Somerford
pass
1721
pass
1720½
94.16
Hullavington
1
pass
1723½
pass
1723
99.76
Badminton
pass
1727
pass
1725¼
-1
104.40
Chipping Sodbury
pass
1729½
pass
1728¼
-1
107.09
Westerleigh Jn
pass
1731
pass
1730
111.57
Bristol Parkway [BPW]
2
1734
1737
1734
1737
1734
1736¾
DB
DT
112.79
Patchway [PWY]
1
2
pass
1738½
pass
1738½
116.45
Pilning [PIL]
2
pass
1742
pass
1741½
118.03
Severn Tunnel East
pass
1743
pass
1742¼
122.31
Severn Tunnel West
pass
1746½
pass
1745½
123.41
Severn Tunnel Junction [STJ]
3
pass
1747½
pass
1747
DT
DM
125.66
Magor
pass
1749
pass
1748½
130.72
Llanwern West Jn
pass
1752½
pass
1752½
131.63
East Usk Jn.
pass
1753½
pass
1753
132.55
Maindee East Jn
pass
1754
pass
1754
132.77
Maindee West Jn
pass
1754½
pass
1755
133.31
Newport (South Wales) [NWP]
2
1756
1758
1755½
1758
1756¼
1758¼
DM
DM
134.13
Gaer Jn
pass
1759½
pass
1800
DM
134.68
Ebbw Jn
pass
1800½
pass
1801
DM
DM
138.41
Marshfield
1
pass
1803
pass
1803¾
142.42
Rumney River Bridge Jn
pass
1806½
pass
1806¼
143.01
Pengam Jn
pass
1807
pass
1806¾
143.46
Moorland Road Junction
pass
1807½
pass
1807¼
144.16
Long Dyke Jn
pass
1808
pass
1808¼
E
144.79
Cardiff East
pass
1809½
pass
1809¾
DM
E
145.11
Cardiff Central [CDF]
forms 5B23 to Stoke Gifford
4
1810
1810
1816¼
+6
E
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