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1L21 1350 Cardiff Central to London Paddington
Departing on 3rd January 2025

operated by
Great Western Railway
9 coaches
800305
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 80x on electric at 125mph
forms from 5L21 from Cardiff Central
1
1350
1350
1353¼
+3
B
0.12
Cardiff East
pass
1351
pass
1354½
+3
0.75
Long Dyke Jn
pass
1352½
pass
1355½
+3
B
UM
1.45
Moorland Road Junction
pass
1353
pass
1356½
+3
2.10
Pengam Jn
pass
1353½
pass
1357¼
+3
2.49
Rumney River Bridge Jn
pass
1353½
pass
1357½
+3
6.50
Marshfield
pass
1356½
pass
1400¼
+3
10.23
Ebbw Jn
½
pass
1359
pass
1404½
+5
UM
UM
10.78
Gaer Jn
pass
1400
pass
1405
+5
UM
11.60
Newport (South Wales) [NWP]
3
1402
1404
1402
1404
1410¼
1411¾
+7
UM
UM
12.14
Maindee West Jn
pass
1405
pass
1413¼
+8
12.36
Maindee East Jn
pass
1405½
pass
1413¾
+8
13.28
East Usk Jn.
pass
1406
pass
1414¾
+8
14.19
Llanwern West Jn
pass
1407
pass
1415¾
+8
19.25
Magor
pass
1411
pass
1418½
+7
20.65
Severn Tunnel Sig Nt1228
pass
1412
No report
21.50
Severn Tunnel Junction [STJ]
4
pass
1412½
pass
1421¼
+8
UM
UT
22.60
Severn Tunnel West
pass
1413½
pass
1422
+8
27.08
Severn Tunnel East
pass
1417
pass
1425¾
+8
28.46
Pilning [PIL]
1 1½
1
pass
1418
pass
1426½
+8
32.12
Patchway [PWY]
1
pass
1423
pass
1429¾
+6
33.34
Bristol Parkway [BPW]
3
1425
1427
1424½
1427½
1431¾
1432¾
+5
UT
UB
38.02
Westerleigh Jn
pass
1431
pass
1437
+6
40.51
Chipping Sodbury
pass
1432½
pass
1438½
+6
45.15
Badminton
pass
1434½
pass
1441¾
+7
50.75
Hullavington
pass
1437½
pass
1445¼
+7
55.34
Little Somerford
pass
1440
pass
1448¼
+8
62.24
Wootton Bassett Jn
1
pass
1444
pass
1451½
+7
UB
UM
67.73
Swindon [SWI]
3
1450
1451
1449½
1451½
1457½
1459¼
+7
UR
UM
68.64
Highworth Jn
pass
1452½
pass
1501
+8
69.33
Swindon Stratton Green
pass
1453
pass
1501½
+8
70.45
Swindon South Marston Jn
pass
1453½
pass
1502
+8
72.66
Bourton
pass
1454½
pass
1503¼
+8
78.57
Uffington (Oxfordshire)
pass
1458
pass
1506¼
+8
81.16
Challow
pass
1459½
pass
1507¼
+7
84.74
Wantage Road
1
pass
1501
pass
1509½
+8
88.64
Steventon
pass
1503½
pass
1512½
+9
89.77
Milton Junction
pass
1504
pass
1513½
+9
91.41
Foxhall Jn [XJF]
pass
1505
pass
1514½
+9
91.71
Didcot West End
pass
1505½
No report
92.06
Didcot Parkway [DID]
2
pass
1505½
pass
1515¼
+9
92.30
Didcot East Jn
pass
1505½
pass
1515½
+10
93.59
Moreton Cutting
pass
1506½
pass
1515¾
+9
96.59
Cholsey [CHO]
2
pass
1507½
pass
1517¼
+9
100.36
Goring & Streatley [GOR]
1
2
pass
1509½
pass
1519
+9
ML
103.53
Pangbourne [PAN]
pass
1511½
pass
1520¾
+9
106.44
Tilehurst [TLH]
2
pass
1513½
pass
1522
+8
106.62
Tilehurst East Jn.
pass
1514
pass
1522¼
+8
108.46
Reading High Level Jn
pass
1515
pass
1523¾
+8
ML
108.79
Reading Main Line West
pass
1515½
pass
1524½
+9
109.16
Reading [RDG]
11
1516
1518
1516½
1518½
1525½
1527½
+9
UM
UM
109.35
Reading Main Line East
pass
1519
pass
1528
+9
110.01
Kennet Bridge Jn
pass
1519½
pass
1528¾
+9
113.34
Twyford West
pass
1522
pass
1530¾
+8
114.15
Twyford [TWY]
2
pass
1522½
pass
1531¾
+9
ML
115.51
Ruscombe
pass
1523
pass
1532
+8
120.77
Maidenhead [MAI]
2
pass
1526
pass
1535
+9
121.38
Maidenhead East
pass
1526½
pass
1535
+8
122.57
Taplow [TAP]
2
pass
1527
pass
1535¾
+8
124.19
Burnham [BNM]
pass
1527½
pass
1536
+8
126.05
Slough West
pass
1528½
pass
1537
+8
126.60
Slough [SLO]
3
pass
1529
pass
1537¾
+8
127.78
Dolphin Jn
pass
1529½
pass
1538
+8
128.78
Langley [LNY]
2
pass
1530
pass
1538¾
+8
130.36
Iver [IVR]
2
pass
1531
pass
1539½
+8
131.65
West Drayton Jcn
pass
1531½
pass
1540
+8
131.79
West Drayton [WDT]
2
pass
1531½
pass
1540½
+9
132.29
West Drayton East
pass
1531½
pass
1540½
+9
133.07
Stockley Junction
pass
1532
pass
1541
+9
ML
ML
134.02
Heathrow Airport Jn
pass
1532½
pass
1541½
+9
134.25
Hayes & Harlington [HAY]
2
pass
1532½
pass
1542
+9
135.26
Southall West Jn
pass
1533
pass
1542½
+9
136.10
Southall [STL]
2
pass
1533½
pass
1542½
+9
ML
136.34
Southall East Jn
pass
1533½
pass
1542¾
+9
137.68
Hanwell [HAN]
1
pass
1534
pass
1543¾
+9
138.42
West Ealing Junction
pass
1534½
pass
1544
+9
138.50
West Ealing [WEA]
pass
1534½
pass
1544¼
+10
139.40
Ealing Broadway [EAL]
2
pass
1534½
pass
1545
+10
140.16
Acton West
1
pass
1535
pass
1545
+10
ML
ML
140.75
Acton Main Line [AML]
2
pass
1536
pass
1545¾
+10
141.43
Friars Jn
pass
1536½
No report
141.76
Old Oak Common West
pass
1537
pass
1546¾
+9
142.36
Old Oak Common East
pass
1537½
pass
1547½
+9
143.23
Ladbroke Grove
pass
1538½
pass
1548¼
+9
UM
3
143.63
Portobello Jn (London)
3
pass
1539
pass
1549
+10
144.50
Royal Oak Junction
pass
1543
pass
1550½
+7
145.11
London Paddington [PAD]
8
1544
1544
1552¼
+8
3
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