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1L21 1350 Cardiff Central to London Paddington
Departing on 8th December 2025

operated by
Great Western Railway
8 coaches
387156
387162
GBTT
WTT
RTTRealtime
Route
Mi.Ch
Location
Pl
Arr
Dep
Arr
Dep
Arr
Dep
Dly
Path
Line
0.00
Cardiff Central [CDF]
Pathed as Class 387 EMU at 110mph
forms from 5Q21 from Cardiff Central
1
1350
1350
1350¼
B
0.12
Cardiff East
pass
1351
pass
1351¼
0.75
Long Dyke Jn
pass
1352½
pass
1352½
B
UM
1.45
Moorland Road Junction
pass
1353
pass
1353½
2.10
Pengam Jn
pass
1353½
pass
1354
2.49
Rumney River Bridge Jn
pass
1354
pass
1354¼
6.50
Marshfield
pass
1357
pass
1356¾
10.23
Ebbw Jn
pass
1359½
pass
1359½
UM
UM
10.78
Gaer Jn
pass
1400½
pass
1400½
UM
DR
11.60
Newport (South Wales) [NWP]
1
1403
1404
1402½
1404
1403¾
1428¾
+24
DR
UR
12.14
Maindee West Jn
pass
1405
pass
1430¼
+25
12.36
Maindee East Jn
pass
1405½
pass
1430½
+25
UR
13.28
East Usk Jn.
pass
1406½
pass
1431¾
+25
14.19
Llanwern West Jn
pass
1407½
pass
1433¾
+26
UR
UM
19.25
Magor
pass
1411½
pass
1437
+25
21.50
Severn Tunnel Junction [STJ]
4
pass
1413
pass
1439½
+26
UM
UT
22.60
Severn Tunnel West
pass
1414
pass
1440¼
+26
27.08
Severn Tunnel East
pass
1417½
pass
1445¾
+28
UT
UGL
28.46
Pilning [PIL]
1 ½
1
pass
1418½
pass
1448½
+30
UGL
UT
32.12
Patchway [PWY]
1
pass
1422½
pass
1459¼
+36
33.34
Bristol Parkway [BPW]
3
1425
1427
1424½
1427½
1501¾
1503¼
+35
UT
UB
38.02
Westerleigh Jn
pass
1430½
pass
1507¼
+36
40.51
Chipping Sodbury
pass
1432
pass
1508¾
+36
45.15
Badminton
pass
1434½
pass
1511¼
+36
50.75
Hullavington
pass
1437½
pass
1514
+36
55.34
Little Somerford
pass
1440
pass
1517½
+37
62.24
Wootton Bassett Jn
1
pass
1444
pass
1520½
+36
UB
UM
67.73
Swindon [SWI]
3
1450
1451
1450
1451½
1526
1527½
+36
UR
UM
68.64
Highworth Jn
pass
1452½
pass
1529½
+37
69.33
Swindon Stratton Green
pass
1453
pass
1530
+37
70.45
Swindon South Marston Jn
pass
1453½
pass
1530¼
+36
72.66
Bourton
pass
1455
pass
1531¾
+36
78.57
Uffington (Oxfordshire)
pass
1458½
pass
1535
+36
81.16
Challow
pass
1500
pass
1536¼
+36
84.74
Wantage Road
pass
1502
pass
1538¾
+36
88.64
Steventon
pass
1504
pass
1540¼
+36
89.77
Milton Junction
pass
1505
pass
1541¼
+36
91.41
Foxhall Jn [XJF]
pass
1505½
pass
1542
+36
91.71
Didcot West End
pass
1506
No report
92.06
Didcot Parkway [DID]
2
pass
1506
pass
1543
+37
92.30
Didcot East Jn
pass
1506
pass
1543
+37
93.59
Moreton Cutting
pass
1507
pass
1543¼
+36
96.59
Cholsey [CHO]
2
pass
1508½
pass
1545
+36
100.36
Goring & Streatley [GOR]
1
2
pass
1510½
pass
1547
+36
ML
103.53
Pangbourne [PAN]
pass
1513
pass
1549
+36
106.44
Tilehurst [TLH]
2
pass
1515
pass
1550¼
+35
106.62
Tilehurst East Jn.
pass
1515
pass
1550½
+35
108.46
Reading High Level Jn
pass
1516½
pass
1552
+35
ML
108.79
Reading Main Line West
pass
1517
pass
1552½
+35
109.16
Reading [RDG]
11
1517
1520
1518
1520
1553½
1554½
+34
UM
UM
109.35
Reading Main Line East
pass
1520½
pass
1555¼
+34
110.01
Kennet Bridge Jn
pass
1521
pass
1555¾
+34
113.34
Twyford West
pass
1523½
pass
1557¾
+34
114.15
Twyford [TWY]
2
pass
1524
pass
1558¾
+34
ML
115.51
Ruscombe
pass
1524½
pass
1559
+34
120.77
Maidenhead [MAI]
2
pass
1527½
pass
1602½
+35
121.38
Maidenhead East
pass
1528
pass
1602½
+34
122.57
Taplow [TAP]
2
pass
1528½
pass
1603¼
+35
124.19
Burnham [BNM]
pass
1529
pass
1603¾
+34
126.05
Slough West
pass
1530
pass
1605
+34
126.60
Slough [SLO]
3
pass
1530½
pass
1605¾
+35
127.78
Dolphin Jn
pass
1531
pass
1606
+34
128.78
Langley [LNY]
2
pass
1531½
pass
1606¾
+35
130.36
Iver [IVR]
2
pass
1532½
pass
1607½
+35
131.65
West Drayton Jcn
pass
1533½
pass
1608
+34
131.79
West Drayton [WDT]
2
pass
1533½
pass
1608½
+35
132.29
West Drayton East
pass
1533½
pass
1608½
+34
133.07
Stockley Junction
pass
1534
pass
1608¾
+34
ML
ML
134.02
Heathrow Airport Jn
pass
1534½
pass
1609¼
+34
134.25
Hayes & Harlington [HAY]
2
pass
1534½
pass
1609¾
+35
135.26
Southall West Jn
pass
1535
pass
1610½
+35
136.10
Southall [STL]
2
pass
1535½
pass
1611
+35
ML
136.34
Southall East Jn
pass
1535½
pass
1611¼
+35
137.68
Hanwell [HAN]
1
pass
1536½
pass
1612½
+36
138.42
West Ealing Junction
pass
1536½
pass
1612¾
+36
138.50
West Ealing [WEA]
pass
1536½
pass
1613
+36
139.40
Ealing Broadway [EAL]
2
pass
1537
pass
1613¾
+36
140.16
Acton West
1
pass
1537½
pass
1613¾
+36
ML
ML
140.75
Acton Main Line [AML]
2
pass
1538½
pass
1614½
+36
141.43
Friars Jn
pass
1539
No report
141.76
Old Oak Common West
pass
1539½
pass
1615¼
+35
142.36
Old Oak Common East
pass
1540
pass
1615¾
+35
143.23
Ladbroke Grove
pass
1541
pass
1616¾
+35
UM
2
143.63
Portobello Jn (London)
pass
1542
pass
1617½
+35
2
1
144.50
Royal Oak Junction
pass
1543
pass
1618½
+35
145.11
London Paddington [PAD]
2
1544
1544
1620½
+36
1
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