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1B15 1248 London Paddington to Swansea
Departing on 7th January 2026

operated by
Great Western Railway
5 coaches
800030
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
3
1248
1248
1247¾
1
0.41
Royal Oak Junction
pass
1249
pass
1249
1.28
Portobello Jn (London)
pass
1250½
pass
1250¼
1.68
Ladbroke Grove
pass
1251
pass
1251
1
DM
2.55
Old Oak Common East
pass
1251½
pass
1252
3.15
Old Oak Common West
pass
1252
pass
1252½
3.48
Friars Jn
pass
1252½
pass
1252¾
4.16
Acton Main Line [AML]
pass
1253
pass
1253¼
4.75
Acton West
pass
1253½
pass
1253¾
ML
ML
5.51
Ealing Broadway [EAL]
1
pass
1254
pass
1254
6.41
West Ealing [WEA]
pass
1254½
pass
1254½
6.49
West Ealing Junction
pass
1254½
pass
1254½
7.23
Hanwell [HAN]
pass
1254½
pass
1254¾
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
1256½
10.66
Hayes & Harlington [HAY]
1
pass
1256½
pass
1257½
+1
11.09
Heathrow Airport Jn
pass
1256½
pass
1257¼
ML
12.04
Stockley Junction
pass
1257
pass
1257¾
12.62
West Drayton East
pass
1257½
pass
1258¼
+1
13.12
West Drayton [WDT]
1
pass
1257½
pass
1258¾
+1
13.26
West Drayton Jcn
pass
1257½
pass
1258¾
+1
14.55
Iver [IVR]
1
pass
1258
pass
1259¼
+1
16.13
Langley [LNY]
1
pass
1259
pass
1300¼
+1
17.13
Dolphin Jn
pass
1259½
pass
1300¾
+1
18.31
Slough [SLO]
2
pass
1300
pass
1301¾
+1
ML
19.06
Slough West
pass
1300½
pass
1302
+1
20.72
Burnham [BNM]
pass
1301½
pass
1303
+1
22.34
Taplow [TAP]
1
pass
1302
pass
1304
+1
23.53
Maidenhead East
pass
1302½
pass
1304¾
+2
24.14
Maidenhead [MAI]
1
pass
1303
pass
1305¼
+2
29.40
Ruscombe
pass
1306
pass
1307½
+1
30.76
Twyford [TWY]
1
1
pass
1306½
pass
1308¼
+1
ML
31.57
Twyford West
pass
1307
pass
1308½
+1
35.10
Kennet Bridge Jn
pass
1309½
pass
1310¾
+1
35.56
Reading Main Line East
pass
1310
pass
1311½
+1
35.75
Reading [RDG]
9
1311
1313
1311
1313
1312½
1313¾
DM
DM
36.12
Reading Main Line West
pass
1313½
pass
1314½
36.45
Reading High Level Jn
pass
1314
pass
1315¼
+1
ML
38.29
Tilehurst East Jn.
pass
1315
pass
1316¼
+1
38.47
Tilehurst [TLH]
1
pass
1315
pass
1316¼
+1
41.38
Pangbourne [PAN]
pass
1317
pass
1317¾
44.55
Goring & Streatley [GOR]
1
1
pass
1319
pass
1319½
ML
48.32
Cholsey [CHO]
1
pass
1321
pass
1321¼
51.32
Moreton Cutting
pass
1323
pass
1322½
52.61
Didcot East Jn
pass
1324
pass
1323
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
1325
60.17
Wantage Road
pass
1328
pass
1328½
63.75
Challow
pass
1330
pass
1331½
+1
66.34
Uffington (Oxfordshire)
1
pass
1331
pass
1332½
+1
72.25
Bourton
pass
1334½
pass
1335½
+1
74.46
Swindon South Marston Jn
pass
1336
pass
1336¾
75.58
Swindon Stratton Green
pass
1336½
pass
1337¾
+1
76.27
Highworth Jn
pass
1337
pass
1337¾
+1
76.59
Swindon East Loop
pass
1337
pass
1339
+1
77.18
Swindon [SWI]
4
1337
1340
1338
1340
1339¾
1340¾
DM
DM
78.31
Rushey Platt
pass
1341½
pass
1342¼
+1
82.67
Wootton Bassett Jn
pass
1344½
pass
1345½
+1
DM
DB
89.57
Little Somerford
pass
1348½
pass
1349½
+1
94.16
Hullavington
1 2
pass
1351
pass
1352
+1
99.76
Badminton
pass
1355
pass
1354½
104.40
Chipping Sodbury
pass
1358½
pass
1357½
107.09
Westerleigh Jn
½
pass
1400½
pass
1400¾
111.57
Bristol Parkway [BPW]
2
1403
1405
1404
1405½
1408¼
1410
+4
DB
DT
112.79
Patchway [PWY]
2
pass
1407
pass
1411¾
+4
116.45
Pilning [PIL]
2
pass
1409½
pass
1414¾
+5
118.03
Severn Tunnel East
pass
1410½
pass
1415¾
+5
122.31
Severn Tunnel West
pass
1414
pass
1419¼
+5
123.41
Severn Tunnel Junction [STJ]
3
pass
1415
pass
1420¾
+5
DT
DM
125.66
Magor
pass
1416½
pass
1422¼
+5
130.72
Llanwern West Jn
pass
1420
pass
1426
+6
131.63
East Usk Jn.
pass
1420½
pass
1426½
+5
132.55
Maindee East Jn
pass
1421½
pass
1427¾
+6
ML
132.77
Maindee West Jn
pass
1422
pass
1428½
+6
133.31
Newport (South Wales) [NWP]
2
1423
1425
1423
1425
1429¾
1431
+6
DM
DM
134.13
Gaer Jn
pass
1426½
pass
1432½
+6
DM
134.68
Ebbw Jn
pass
1427½
pass
1433¼
+5
DM
DM
138.41
Marshfield
pass
1430
pass
1436
+6
142.42
Rumney River Bridge Jn
pass
1433
pass
1438½
+5
143.01
Pengam Jn
pass
1433
pass
1439
+5
143.46
Moorland Road Junction
1
pass
1433½
pass
1439¾
+6
DM
DR
144.16
Long Dyke Jn
pass
1435
pass
1440½
+5
E
144.79
Cardiff East
pass
1436½
pass
1441½
+4
DR
E
145.11
Cardiff Central [CDF]
Pathed as Class 80x on diesel from here
4
1437
1439
1437½
1439½
1442½
1444¾
+5
E
D
145.37
Cardiff West
pass
1440½
No report
146.36
Leckwith North Jn
pass
1442½
pass
1448
+5
D
DM
149.14
St Fagans L C
pass
1444½
pass
1450½
+5
154.08
Miskin
pass
1448½
pass
1454½
+5
156.21
Pontyclun [PYC]
1
pass
1450½
pass
1456½
+6
156.57
Llantrisant [LTI]
pass
1451
No report
158.53
Llanharan [LLR]
2
pass
1452½
pass
1458¾
+6
161.41
Pencoed [PCD]
1
pass
1454½
pass
1500½
+6
164.42
Tremains
pass
1457
pass
1502½
+5
165.26
Bridgend [BGN]
1
1458
1459
1458
1459½
1504¼
1505½
+6
DM
DM
169.46
Stormy
pass
1504
pass
1510¾
+6
171.21
Pyle [PYL]
1
pass
1505
pass
1512¼
+7
173.45
Margam Moors Jn.
pass
1506½
pass
1513½
+7
DM
175.12
Margam East Jn
pass
1507½
pass
1514¾
+7
176.00
Margam Middle Jn
pass
1508
pass
1515
+6
176.70
Port Talbot East
pass
1509
No report
177.39
Port Talbot Parkway [PTA]
1
1510
1511
1510
1511½
1517¼
1518¼
+6
179.38
Baglan [BAJ]
1
pass
1513½
pass
1521¼
+7
180.09
Briton Ferry East
pass
1514½
pass
1521½
+7
181.20
Briton Ferry [BNF]
1
pass
1515½
pass
1523
+7
181.38
Court Sart Jn
pass
1515½
pass
1522¾
+7
183.00
Neath [NTH]
1
1
1517
1518
1517½
1519
1524¾
1526
+7
185.06
Skewen [SKE]
1
pass
1522
pass
1529¼
+7
186.68
Llansamlet [LAS]
1
pass
1524½
pass
1531¼
+7
189.42
Landore Junction
pass
1527½
pass
1534¼
+6
DM
DSM
190.23
Swansea Loop East
pass
1528½
pass
1535¾
+7
190.67
Swansea [SWA]
3
1530
1530
1538
+8
DSM
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