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1B17 1348 London Paddington to Swansea
Departing on 13th December 2025

operated by
Great Western Railway
10 coaches
800025
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
12
1348
1348
1348¼
4
0.41
Royal Oak Junction
pass
1349
pass
1349¼
4
3
1.28
Portobello Jn (London)
pass
1350½
pass
1351
1.68
Ladbroke Grove
pass
1351
pass
1351¾
3
DM
2.55
Old Oak Common East
pass
1351½
pass
1352¾
+1
3.15
Old Oak Common West
pass
1352
pass
1353¼
+1
3.48
Friars Jn
pass
1352½
pass
1353½
+1
4.16
Acton Main Line [AML]
pass
1353
pass
1354¼
+1
4.75
Acton West
pass
1353½
pass
1354½
+1
ML
ML
5.51
Ealing Broadway [EAL]
1
pass
1354
pass
1355
+1
6.41
West Ealing [WEA]
pass
1354½
pass
1355½
+1
6.49
West Ealing Junction
pass
1354½
pass
1355½
+1
7.23
Hanwell [HAN]
pass
1354½
pass
1355¾
+1
8.57
Southall East Jn
pass
1355½
pass
1356½
+1
9.01
Southall [STL]
1
pass
1355½
pass
1357
+1
9.65
Southall West Jn
pass
1356
pass
1357
+1
10.66
Hayes & Harlington [HAY]
1
pass
1356½
pass
1358
+1
11.09
Heathrow Airport Jn
pass
1356½
pass
1357¾
+1
ML
12.04
Stockley Junction
pass
1357
pass
1358
+1
12.62
West Drayton East
pass
1357½
pass
1358½
+1
13.12
West Drayton [WDT]
1
pass
1357½
pass
1359
+1
13.26
West Drayton Jcn
pass
1357½
pass
1359
+1
14.55
Iver [IVR]
1
pass
1358
pass
1359½
+1
16.13
Langley [LNY]
1
pass
1359
pass
1400½
+1
17.13
Dolphin Jn
pass
1359½
pass
1401
+1
18.31
Slough [SLO]
2
pass
1400
pass
1401½
+1
ML
19.06
Slough West
pass
1400½
pass
1401¾
+1
20.72
Burnham [BNM]
pass
1401½
pass
1402½
+1
22.34
Taplow [TAP]
1
pass
1402
pass
1403¼
+1
23.53
Maidenhead East
pass
1402½
pass
1404
+1
24.14
Maidenhead [MAI]
1
pass
1403
pass
1404½
+1
29.40
Ruscombe
pass
1406
pass
1406¾
+1
30.76
Twyford [TWY]
1
1
pass
1406½
pass
1407½
+1
ML
31.57
Twyford West
pass
1407
pass
1407¾
35.10
Kennet Bridge Jn
pass
1409½
pass
1410½
+1
35.56
Reading Main Line East
pass
1410
pass
1411
+1
35.75
Reading [RDG]
9
1411
1413
1411
1413
1412¼
1415½
+2
DM
DM
36.12
Reading Main Line West
pass
1413½
pass
1416
+2
36.45
Reading High Level Jn
pass
1414
pass
1417
+3
ML
38.29
Tilehurst East Jn.
pass
1415
pass
1418
+3
38.47
Tilehurst [TLH]
1
pass
1415
pass
1418¼
+3
41.38
Pangbourne [PAN]
pass
1417
pass
1419½
+2
44.55
Goring & Streatley [GOR]
1
1
pass
1419
pass
1421½
+2
ML
48.32
Cholsey [CHO]
1
pass
1421
pass
1423
+1
51.32
Moreton Cutting
pass
1423
pass
1424¼
+1
52.61
Didcot East Jn
pass
1424
pass
1425
+1
53.05
Didcot Parkway [DID]
1
pass
1424
pass
1425½
+1
53.20
Didcot West End
pass
1424
No report
53.50
Foxhall Jn [XJF]
pass
1424½
pass
1425¾
+1
55.14
Milton Junction
pass
1425
pass
1426
56.27
Steventon
pass
1426
pass
1426¾
+1
60.17
Wantage Road
pass
1428
pass
1429¼
+1
63.75
Challow
pass
1430
pass
1431½
+1
66.34
Uffington (Oxfordshire)
1
pass
1431
pass
1432½
+1
72.25
Bourton
pass
1434½
pass
1435½
74.46
Swindon South Marston Jn
pass
1436
pass
1436½
75.58
Swindon Stratton Green
pass
1436½
pass
1437¼
76.27
Highworth Jn
pass
1437
pass
1437½
76.59
Swindon East Loop
pass
1437
pass
1438¾
+1
77.18
Swindon [SWI]
4
1438
1440
1438
1440
1439½
1441
+1
DM
DM
82.67
Wootton Bassett Jn
pass
1444½
pass
1445¾
+1
DM
DB
89.57
Little Somerford
pass
1448½
pass
1450¼
+1
94.16
Hullavington
1
pass
1451
pass
1452½
+1
99.76
Badminton
pass
1454½
pass
1455
104.40
Chipping Sodbury
pass
1457
pass
1457¾
107.09
Westerleigh Jn
pass
1458½
pass
1459½
+1
111.57
Bristol Parkway [BPW]
2
1502
1503
1501½
1503½
1503½
1508½
+5
DB
DT
112.79
Patchway [PWY]
2
pass
1505
pass
1510
+5
116.45
Pilning [PIL]
2
pass
1507½
pass
1513
+5
118.03
Severn Tunnel East
pass
1508½
pass
1514
+5
122.31
Severn Tunnel West
pass
1512
pass
1517½
+5
123.41
Severn Tunnel Junction [STJ]
3
pass
1513
pass
1518¾
+5
DT
DM
125.66
Magor
pass
1514½
pass
1520¼
+5
130.72
Llanwern West Jn
pass
1518
pass
1524
+6
131.63
East Usk Jn.
pass
1519
pass
1524½
+5
132.55
Maindee East Jn
pass
1519½
pass
1525½
+5
132.77
Maindee West Jn
pass
1520
pass
1526¼
+6
133.31
Newport (South Wales) [NWP]
2
1521
1523
1521
1523
1527½
1529¾
+6
DM
DM
134.13
Gaer Jn
pass
1524½
pass
1531½
+7
DM
134.68
Ebbw Jn
pass
1525½
pass
1532¾
+7
DM
DM
138.41
Marshfield
1
pass
1528
pass
1536¾
+8
142.42
Rumney River Bridge Jn
pass
1531½
pass
1539¾
+8
143.01
Pengam Jn
pass
1532
pass
1540¼
+8
143.46
Moorland Road Junction
pass
1532½
pass
1541
+8
144.16
Long Dyke Jn
pass
1533
pass
1542¼
+9
E
144.79
Cardiff East
pass
1534½
pass
1543½
+9
DM
E
145.11
Cardiff Central [CDF]
Pathed as Class 80x on diesel from here
3
1535
1537
1535
1537½
1544¾
1547¾
+10
E
D
145.37
Cardiff West
pass
1538½
No report
146.36
Leckwith North Jn
pass
1540½
pass
1550¾
+10
D
DM
149.14
St Fagans L C
pass
1542½
pass
1553¼
+10
154.08
Miskin
pass
1546½
pass
1557¼
+10
156.21
Pontyclun [PYC]
1
pass
1548½
pass
1559¾
+11
156.57
Llantrisant [LTI]
pass
1549
No report
158.53
Llanharan [LLR]
2
pass
1550½
pass
1604½
+14
161.41
Pencoed [PCD]
1
pass
1552½
pass
1610¼
+17
164.42
Tremains
pass
1555
pass
1613¼
+18
165.26
Bridgend [BGN]
1
1556
1557
1556
1557½
1615
1616½
+19
DM
DM
169.46
Stormy
pass
1602
pass
1621¾
+19
171.21
Pyle [PYL]
1
pass
1603
pass
1623
+20
173.45
Margam Moors Jn.
pass
1604½
pass
1624¼
+19
DM
175.12
Margam East Jn
pass
1605½
pass
1625¾
+20
176.00
Margam Middle Jn
pass
1606
pass
1625¾
+19
176.70
Port Talbot East
pass
1607
No report
177.39
Port Talbot Parkway [PTA]
1
1608
1609
1608
1609½
1628
1629½
+20
179.38
Baglan [BAJ]
1
pass
1611½
pass
1632½
+20
180.09
Briton Ferry East
pass
1612½
pass
1632¾
+20
181.20
Briton Ferry [BNF]
1
pass
1613½
pass
1634
+20
181.38
Court Sart Jn
pass
1613½
pass
1634
+20
183.00
Neath [NTH]
1
1
1616
1617
1615½
1617
1636
1638
+21
185.06
Skewen [SKE]
1
pass
1620
pass
1641½
+21
186.68
Llansamlet [LAS]
1
pass
1622½
pass
1643½
+21
189.42
Landore Junction
pass
1625½
pass
1646¼
+20
DM
DSM
190.23
Swansea Loop East
pass
1626½
pass
1647¾
+21
190.67
Swansea [SWA]
3
1628
1628
1649¾
+21
DSM
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