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1B15 1248 London Paddington to Carmarthen
Departing on 6th December 2025

operated by
Great Western Railway
GBTT
WTT
RTTRealtime
Route
Mi.Ch
Location
Pl
Arr
Dep
Arr
Dep
Arr
Dep
Dly
Path
Line
0.00
London Paddington [PAD]
9
1248
1248
1248
3
0.41
Royal Oak Junction
pass
1249
pass
1249
2
1.28
Portobello Jn (London)
pass
1250½
pass
1250
2
1.68
Ladbroke Grove
pass
1251
pass
1251
2
ML
2.55
Old Oak Common East
pass
1251½
pass
1251
3.15
Old Oak Common West
pass
1252
pass
1252
3.48
Friars Jn
pass
1252½
pass
1252
4.16
Acton Main Line [AML]
pass
1253
pass
1252
4.75
Acton West
pass
1253½
pass
1253
ML
ML
5.51
Ealing Broadway [EAL]
pass
1254
pass
1253
6.41
West Ealing [WEA]
pass
1254½
pass
1254
6.49
West Ealing Junction
pass
1254½
pass
1254
7.23
Hanwell [HAN]
pass
1254½
pass
1254
8.57
Southall East Jn
pass
1255½
pass
1255
9.01
Southall [STL]
1
pass
1255½
pass
1255
ML
9.65
Southall West Jn
pass
1256
pass
1255
10.66
Hayes & Harlington [HAY]
pass
1256½
pass
1256
11.09
Heathrow Airport Jn
pass
1256½
pass
1256
ML
12.04
Stockley Junction
pass
1257
pass
1256
12.62
West Drayton East
pass
1257½
pass
1257
13.12
West Drayton [WDT]
pass
1257½
pass
1257
13.26
West Drayton Jcn
pass
1257½
pass
1257
14.55
Iver [IVR]
pass
1258
pass
1258
16.13
Langley [LNY]
pass
1259
pass
1258
17.13
Dolphin Jn
pass
1259½
pass
1259
18.31
Slough [SLO]
2
pass
1300
pass
1300
ML
19.06
Slough West
pass
1300½
pass
1300
20.72
Burnham [BNM]
pass
1301½
pass
1301
22.34
Taplow [TAP]
pass
1302
pass
1302
23.53
Maidenhead East
pass
1302½
pass
1302
24.14
Maidenhead [MAI]
1
pass
1303
pass
1303
ML
29.40
Ruscombe
pass
1306
pass
1305
30.76
Twyford [TWY]
1
1
pass
1306½
pass
1306
ML
31.57
Twyford West
pass
1307
pass
1306
35.10
Kennet Bridge Jn
pass
1309½
pass
1309
DML
35.56
Reading Main Line East
pass
1310
pass
1310
35.75
Reading [RDG]
8
1311
1313
1311
1313
1310
1313
ML
36.12
Reading Main Line West
pass
1313½
pass
1313
36.45
Reading High Level Jn
pass
1314
pass
1314
ML
38.29
Tilehurst East Jn.
pass
1315
pass
1315
38.47
Tilehurst [TLH]
pass
1315
pass
1315
41.38
Pangbourne [PAN]
pass
1317
pass
1317
44.55
Goring & Streatley [GOR]
1
pass
1319
pass
1319
ML
48.32
Cholsey [CHO]
pass
1321
pass
1321
51.32
Moreton Cutting
pass
1323
pass
1322
52.61
Didcot East Jn
pass
1324
pass
1323
53.05
Didcot Parkway [DID]
1
pass
1324
pass
1323
53.20
Didcot West End
pass
1324
pass
1323
53.50
Foxhall Jn [XJF]
pass
1324½
pass
1324
55.14
Milton Junction
pass
1325
pass
1325
56.27
Steventon
pass
1326
pass
1325
60.17
Wantage Road
pass
1328
pass
1327
63.75
Challow
pass
1330
pass
1329
66.34
Uffington (Oxfordshire)
1
pass
1331
pass
1330
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
1336
76.27
Highworth Jn
pass
1337
pass
1336
76.59
Swindon East Loop
pass
1337
pass
1336
77.18
Swindon [SWI]
4
1338
1340
1338
1340
1337
1340
82.67
Wootton Bassett Jn
pass
1344½
pass
1344
89.57
Little Somerford
pass
1348½
pass
1348
94.16
Hullavington
1 ½
pass
1351
pass
1351
99.76
Badminton
pass
1354½
pass
1354
104.40
Chipping Sodbury
pass
1357½
pass
1357
107.09
Westerleigh Jn
1
pass
1359
pass
1359
111.57
Bristol Parkway [BPW]
2
1403
1404
1403
1404½
1403
1404
112.79
Patchway [PWY]
2
pass
1406
pass
1405
116.45
Pilning [PIL]
2
pass
1408½
pass
1408
118.03
Severn Tunnel East
pass
1409½
pass
1409
122.31
Severn Tunnel West
pass
1413
pass
1412
123.41
Severn Tunnel Junction [STJ]
3
pass
1414
pass
1413
ML
125.66
Magor
pass
1415½
pass
1415
130.72
Llanwern West Jn
pass
1419
pass
1418
131.63
East Usk Jn.
pass
1420
pass
1419
132.55
Maindee East Jn
pass
1420½
pass
1420
132.77
Maindee West Jn
pass
1421
pass
1420
133.31
Newport (South Wales) [NWP]
2
1422
1424
1422
1424
1421
1424
134.13
Gaer Jn
pass
1425½
pass
1425
134.68
Ebbw Jn
pass
1426½
pass
1426
138.41
Marshfield
1
pass
1429
pass
1429
142.42
Rumney River Bridge Jn
pass
1432½
pass
1432
143.01
Pengam Jn
pass
1433
pass
1432
143.46
Moorland Road Junction
pass
1433½
pass
1433
144.16
Long Dyke Jn
pass
1434
pass
1433
E
144.79
Cardiff East
pass
1435½
pass
1435
145.11
Cardiff Central [CDF]
Pathed as Class 80x on diesel from here
3
1436
1440
1436
1440
1435
1440
D
145.37
Cardiff West
pass
1441
pass
1441
146.36
Leckwith North Jn
pass
1443
pass
1443
149.14
St Fagans L C
pass
1445
pass
1445
154.08
Miskin
pass
1449
pass
1449
156.21
Pontyclun [PYC]
pass
1451
pass
1451
156.57
Llantrisant [LTI]
pass
1451½
pass
1451
158.53
Llanharan [LLR]
pass
1453
pass
1452
161.41
Pencoed [PCD]
pass
1455
pass
1455
164.42
Tremains
pass
1457½
pass
1457
165.26
Bridgend [BGN]
1
1459
1500
1458½
1500
1458
1500
169.46
Stormy
½
pass
1504½
pass
1504
171.21
Pyle [PYL]
pass
1506
pass
1505
173.45
Margam Moors Jn.
pass
1507½
pass
1507
175.12
Margam East Jn
pass
1508½
pass
1508
176.00
Margam Middle Jn
pass
1509
pass
1509
176.70
Port Talbot East
pass
1510
pass
1509
177.39
Port Talbot Parkway [PTA]
1
1511
1512
1511
1512½
1511
1512
179.38
Baglan [BAJ]
pass
1514½
pass
1514
180.09
Briton Ferry East
pass
1515½
pass
1514
181.20
Briton Ferry [BNF]
pass
1516½
pass
1515
181.38
Court Sart Jn
pass
1516½
pass
1516
183.00
Neath [NTH]
1 3
1519
1520
1518½
1520
1518
1520
185.06
Skewen [SKE]
pass
1524
pass
1523
186.68
Llansamlet [LAS]
pass
1527
pass
1526
189.42
Landore Junction
pass
1531
pass
1531
190.23
Swansea Loop East
pass
1532½
pass
1532
190.67
Swansea [SWA]
Pathed as Class 80x on diesel from here
Service divides here, reverses here
3
1534
1542
1534
1542
1534
1542
191.31
Swansea Loop East
pass
1543½
pass
1543
192.04
Swansea Loop West
pass
1545½
pass
1545
194.56
Cockett West
pass
1549½
pass
1549
196.35
Gowerton [GWN]
pass
1552
pass
1552
199.78
Duffryn West
pass
1555
pass
1555
200.39
Llandeilo Jn
pass
1555½
pass
1555
202.10
Llanelli [LLE]
DPL
1558
1559
1558
1559½
1558
1559
206.05
Pembrey & Burry Port [PBY]
1605
1606
1605
1606½
1604
1606
210.64
Kidwelly Junction
pass
1611½
pass
1611
211.22
Kidwelly [KWL]
pass
1612
pass
1611
215.41
Ferryside [FYS]
1
pass
1615½
pass
1615
222.00
Carmarthen Jn [XCI]
pass
1624½
pass
1623
222.45
Carmarthen [CMN]
2
1626
1626
1625
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