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1B15 1248 London Paddington to Swansea
Departing on 10th December 2025

operated by
Great Western Railway
5 coaches
800006
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
1248
1248
1248
D3
0.41
Royal Oak Junction
pass
1249
pass
1249¼
3
2
1.28
Portobello Jn (London)
pass
1250½
pass
1250½
1.68
Ladbroke Grove
pass
1251
pass
1251¼
2
DM
2.55
Old Oak Common East
pass
1251½
pass
1252¼
3.15
Old Oak Common West
pass
1252
pass
1252¾
3.48
Friars Jn
pass
1252½
pass
1252¾
4.16
Acton Main Line [AML]
pass
1253
pass
1253½
4.75
Acton West
pass
1253½
pass
1253¾
ML
ML
5.51
Ealing Broadway [EAL]
1
pass
1254
pass
1254¼
6.41
West Ealing [WEA]
pass
1254½
pass
1254¾
6.49
West Ealing Junction
pass
1254½
pass
1254¾
7.23
Hanwell [HAN]
pass
1254½
pass
1255
8.57
Southall East Jn
pass
1255½
pass
1255¾
9.01
Southall [STL]
1
pass
1255½
pass
1256¼
9.65
Southall West Jn
pass
1256
pass
1256¼
10.66
Hayes & Harlington [HAY]
1
pass
1256½
pass
1257
11.09
Heathrow Airport Jn
pass
1256½
pass
1256¾
ML
12.04
Stockley Junction
pass
1257
pass
1257¼
12.62
West Drayton East
pass
1257½
pass
1257¾
13.12
West Drayton [WDT]
1
pass
1257½
pass
1258¼
13.26
West Drayton Jcn
pass
1257½
pass
1258¼
14.55
Iver [IVR]
1
pass
1258
pass
1258¾
16.13
Langley [LNY]
1
pass
1259
pass
1259¾
17.13
Dolphin Jn
pass
1259½
pass
1300
18.31
Slough [SLO]
2
pass
1300
pass
1300½
ML
19.06
Slough West
pass
1300½
pass
1301
20.72
Burnham [BNM]
pass
1301½
pass
1301¾
22.34
Taplow [TAP]
1
pass
1302
pass
1302½
23.53
Maidenhead East
pass
1302½
pass
1303¼
24.14
Maidenhead [MAI]
1
pass
1303
pass
1303¾
29.40
Ruscombe
pass
1306
pass
1305¾
30.76
Twyford [TWY]
1
1
pass
1306½
pass
1306½
ML
31.57
Twyford West
pass
1307
pass
1307
35.10
Kennet Bridge Jn
pass
1309½
pass
1309
35.56
Reading Main Line East
pass
1310
pass
1309½
35.75
Reading [RDG]
9
1311
1313
1311
1313
1310½
1312¾
DM
DM
36.12
Reading Main Line West
pass
1313½
pass
1313½
36.45
Reading High Level Jn
pass
1314
pass
1314¼
ML
38.29
Tilehurst East Jn.
pass
1315
pass
1315¼
38.47
Tilehurst [TLH]
1
pass
1315
pass
1315½
41.38
Pangbourne [PAN]
pass
1317
pass
1316¾
44.55
Goring & Streatley [GOR]
1
1
pass
1319
pass
1318¾
ML
48.32
Cholsey [CHO]
1
pass
1321
pass
1320½
51.32
Moreton Cutting
pass
1323
pass
1322¼
52.61
Didcot East Jn
pass
1324
pass
1322¾
53.05
Didcot Parkway [DID]
1
pass
1324
pass
1323½
53.20
Didcot West End
pass
1324
No report
53.50
Foxhall Jn [XJF]
pass
1324½
pass
1323¾
55.14
Milton Junction
pass
1325
pass
1324¼
56.27
Steventon
pass
1326
pass
1325¼
60.17
Wantage Road
pass
1328
pass
1328
63.75
Challow
pass
1330
pass
1330
66.34
Uffington (Oxfordshire)
1
pass
1331
pass
1331
72.25
Bourton
pass
1334½
pass
1334
74.46
Swindon South Marston Jn
pass
1336
pass
1335
75.58
Swindon Stratton Green
pass
1336½
pass
1335¾
76.27
Highworth Jn
pass
1337
pass
1335¾
76.59
Swindon East Loop
pass
1337
pass
1337
77.18
Swindon [SWI]
4
1337
1340
1338
1340
1337¾
1342
+2
DM
DM
82.67
Wootton Bassett Jn
pass
1344½
pass
1346¼
+1
DM
DB
89.57
Little Somerford
pass
1348½
pass
1350½
+2
94.16
Hullavington
1 2
pass
1351
pass
1352¾
+1
99.76
Badminton
pass
1355
pass
1355¼
104.40
Chipping Sodbury
pass
1358½
pass
1358
107.09
Westerleigh Jn
½
pass
1400½
pass
1359¾
111.57
Bristol Parkway [BPW]
2
1403
1405
1404
1405½
1403¾
1405¾
DB
DT
112.79
Patchway [PWY]
2
pass
1407
pass
1407¼
116.45
Pilning [PIL]
2
pass
1409½
pass
1410
118.03
Severn Tunnel East
pass
1410½
pass
1411
122.31
Severn Tunnel West
pass
1414
pass
1414¼
123.41
Severn Tunnel Junction [STJ]
3
pass
1415
pass
1415¾
DT
DM
125.66
Magor
pass
1416½
pass
1417
130.72
Llanwern West Jn
pass
1420
pass
1420¾
131.63
East Usk Jn.
pass
1421
pass
1421¼
132.55
Maindee East Jn
pass
1421½
pass
1422
132.77
Maindee West Jn
pass
1422
pass
1423
+1
133.31
Newport (South Wales) [NWP]
2
1423
1425
1423
1425
1424
1425¾
DM
DM
134.13
Gaer Jn
pass
1426½
pass
1427
DM
134.68
Ebbw Jn
pass
1427½
pass
1427¾
DM
DM
138.41
Marshfield
1
pass
1430
pass
1430½
142.42
Rumney River Bridge Jn
pass
1433½
pass
1432¾
143.01
Pengam Jn
pass
1434
pass
1433¼
143.46
Moorland Road Junction
pass
1434½
pass
1433¾
144.16
Long Dyke Jn
pass
1435
pass
1434½
E
144.79
Cardiff East
pass
1436½
pass
1435½
DM
E
145.11
Cardiff Central [CDF]
Pathed as Class 80x on diesel from here
4
1436
1439
1437
1439
1436¾
1439½
E
D
145.37
Cardiff West
pass
1440
No report
146.36
Leckwith North Jn
pass
1442
pass
1442½
D
DM
149.14
St Fagans L C
pass
1444
pass
1445½
+1
154.08
Miskin
pass
1448
pass
1449¾
+1
156.21
Pontyclun [PYC]
1
pass
1450
pass
1451¾
+1
156.57
Llantrisant [LTI]
pass
1450½
No report
158.53
Llanharan [LLR]
2
pass
1452
pass
1454
+2
161.41
Pencoed [PCD]
1
pass
1454
pass
1455¾
+1
164.42
Tremains
pass
1456½
pass
1457¾
+1
165.26
Bridgend [BGN]
1
1458
1459
1457½
1459
1459¼
1501
+2
DM
DM
169.46
Stormy
pass
1503½
pass
1507¼
+3
171.21
Pyle [PYL]
1
pass
1504½
pass
1508¾
+4
173.45
Margam Moors Jn.
pass
1506
pass
1510
+4
DM
175.12
Margam East Jn
pass
1507
pass
1511¼
+4
176.00
Margam Middle Jn
pass
1507½
pass
1511½
+3
176.70
Port Talbot East
pass
1508½
No report
177.39
Port Talbot Parkway [PTA]
1
1510
1511
1509½
1511
1513½
1515¼
+4
179.38
Baglan [BAJ]
1
pass
1513
pass
1518½
+5
180.09
Briton Ferry East
pass
1514
pass
1519
+5
181.20
Briton Ferry [BNF]
1
pass
1515
pass
1520¼
+5
181.38
Court Sart Jn
pass
1515
pass
1520¼
+5
183.00
Neath [NTH]
1
1
1517
1518
1517
1518½
1522
1523¾
+5
185.06
Skewen [SKE]
1
pass
1521½
pass
1527¾
+6
186.68
Llansamlet [LAS]
1
pass
1524
pass
1530
+6
189.42
Landore Junction
pass
1527
pass
1532¾
+5
DM
DSM
190.23
Swansea Loop East
pass
1528
pass
1534¼
+6
190.67
Swansea [SWA]
3
1530
1530
1536¼
+6
DSM
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