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1B15 1248 London Paddington to Carmarthen
Departing on 29th November 2025

operated by
Great Western Railway
10 coaches
London Paddington - Swansea
800014
800007
5 coaches
Swansea - Carmarthen
800007
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
9
1248
1248
1248¼
3
0.41
Royal Oak Junction
pass
1249
pass
1249½
3
2
1.28
Portobello Jn (London)
pass
1250½
pass
1251¼
1.68
Ladbroke Grove
pass
1251
pass
1252
+1
2
DM
2.55
Old Oak Common East
pass
1251½
pass
1253¼
+1
3.15
Old Oak Common West
pass
1252
pass
1254
+2
3.48
Friars Jn
pass
1252½
pass
1254¼
+1
4.16
Acton Main Line [AML]
pass
1253
pass
1254¾
+2
4.75
Acton West
pass
1253½
pass
1255¼
+1
ML
ML
5.51
Ealing Broadway [EAL]
1
pass
1254
pass
1255¾
+1
6.41
West Ealing [WEA]
pass
1254½
pass
1256
+1
6.49
West Ealing Junction
pass
1254½
pass
1256
+1
7.23
Hanwell [HAN]
pass
1254½
pass
1256½
+1
8.57
Southall East Jn
pass
1255½
pass
1257¼
+1
9.01
Southall [STL]
1
pass
1255½
pass
1257¾
+2
9.65
Southall West Jn
pass
1256
pass
1257¾
+2
10.66
Hayes & Harlington [HAY]
1
pass
1256½
pass
1258¾
+2
11.09
Heathrow Airport Jn
pass
1256½
pass
1258½
+2
ML
12.04
Stockley Junction
pass
1257
pass
1259
+2
12.62
West Drayton East
pass
1257½
pass
1259½
+2
13.12
West Drayton [WDT]
1
pass
1257½
pass
1300
+2
13.26
West Drayton Jcn
pass
1257½
pass
1300
+2
14.55
Iver [IVR]
1
pass
1258
pass
1300½
+2
16.13
Langley [LNY]
1
pass
1259
pass
1301½
+2
17.13
Dolphin Jn
pass
1259½
pass
1301¾
+2
18.31
Slough [SLO]
2
pass
1300
pass
1302¼
+2
ML
19.06
Slough West
pass
1300½
pass
1302½
+2
20.72
Burnham [BNM]
pass
1301½
pass
1303¼
+2
22.34
Taplow [TAP]
1
pass
1302
pass
1304
+2
23.53
Maidenhead East
pass
1302½
pass
1305
+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
1308¾
+1
35.10
Kennet Bridge Jn
pass
1309½
pass
1310¾
+1
35.56
Reading Main Line East
pass
1310
pass
1311¼
+1
35.75
Reading [RDG]
8
1311
1313
1311
1313
1312½
1314
+1
DM
DM
36.12
Reading Main Line West
pass
1313½
pass
1314¾
+1
36.45
Reading High Level Jn
pass
1314
pass
1315¾
+1
ML
38.29
Tilehurst East Jn.
pass
1315
pass
1316¾
+1
38.47
Tilehurst [TLH]
1
pass
1315
pass
1316¾
+1
41.38
Pangbourne [PAN]
pass
1317
pass
1318¼
+1
44.55
Goring & Streatley [GOR]
1
1
pass
1319
pass
1320
+1
ML
48.32
Cholsey [CHO]
1
pass
1321
pass
1321¾
51.32
Moreton Cutting
pass
1323
pass
1323
52.61
Didcot East Jn
pass
1324
pass
1323½
53.05
Didcot Parkway [DID]
1
pass
1324
pass
1324
53.20
Didcot West End
pass
1324
No report
53.50
Foxhall Jn [XJF]
pass
1324½
pass
1324¼
55.14
Milton Junction
pass
1325
pass
1324¾
56.27
Steventon
pass
1326
pass
1325½
60.17
Wantage Road
pass
1328
pass
1327¾
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
1335¼
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
1337¼
77.18
Swindon [SWI]
4
1338
1340
1338
1340
1337¾
1339¾
DM
DM
82.67
Wootton Bassett Jn
pass
1344½
pass
1344¼
DM
DB
89.57
Little Somerford
pass
1348½
pass
1348½
94.16
Hullavington
1 ½
pass
1351
pass
1351
99.76
Badminton
pass
1354½
pass
1353¼
-1
104.40
Chipping Sodbury
pass
1357½
pass
1356
-1
107.09
Westerleigh Jn
1
pass
1359
pass
1358
111.57
Bristol Parkway [BPW]
2
1403
1404
1403
1404½
1401¾
1405½
+1
DB
DT
112.79
Patchway [PWY]
2
pass
1406
pass
1407¾
+1
116.45
Pilning [PIL]
2
pass
1408½
pass
1410½
+2
118.03
Severn Tunnel East
pass
1409½
pass
1411½
+2
122.31
Severn Tunnel West
pass
1413
pass
1414¾
+1
123.41
Severn Tunnel Junction [STJ]
3
pass
1414
pass
1416¼
+2
DT
DM
125.66
Magor
pass
1415½
pass
1417¾
+2
130.72
Llanwern West Jn
pass
1419
pass
1421½
+2
131.63
East Usk Jn.
pass
1420
pass
1422
+2
132.55
Maindee East Jn
pass
1420½
pass
1422¾
+2
132.77
Maindee West Jn
pass
1421
pass
1423½
+2
133.31
Newport (South Wales) [NWP]
2
1422
1424
1422
1424
1424½
1427¼
+3
DM
DM
134.13
Gaer Jn
pass
1425½
pass
1429
+3
DM
134.68
Ebbw Jn
pass
1426½
pass
1429¾
+3
DM
DM
138.41
Marshfield
1
pass
1429
pass
1432½
+3
142.42
Rumney River Bridge Jn
pass
1432½
pass
1434¾
+2
143.01
Pengam Jn
pass
1433
pass
1435¼
+2
143.46
Moorland Road Junction
pass
1433½
pass
1435¾
+2
144.16
Long Dyke Jn
pass
1434
pass
1436½
+2
E
144.79
Cardiff East
pass
1435½
pass
1437½
+2
DM
E
145.11
Cardiff Central [CDF]
Pathed as Class 80x on diesel from here
3
1436
1440
1436
1440
1439
1442
+2
E
D
145.37
Cardiff West
pass
1441
No report
146.36
Leckwith North Jn
pass
1443
pass
1445
+2
D
DM
149.14
St Fagans L C
pass
1445
pass
1448
+2
154.08
Miskin
pass
1449
pass
1452
+2
156.21
Pontyclun [PYC]
1
pass
1451
pass
1454
+3
156.57
Llantrisant [LTI]
pass
1451½
No report
158.53
Llanharan [LLR]
2
pass
1453
pass
1458½
+5
161.41
Pencoed [PCD]
1
pass
1455
pass
1502¼
+7
164.42
Tremains
pass
1457½
pass
1505½
+8
165.26
Bridgend [BGN]
1
1459
1500
1458½
1500
1507
1509¾
+9
DM
169.46
Stormy
½
pass
1504½
pass
1516
+11
171.21
Pyle [PYL]
1
pass
1506
pass
1517½
+11
173.45
Margam Moors Jn.
pass
1507½
pass
1518½
+11
DM
175.12
Margam East Jn
pass
1508½
pass
1520
+11
176.00
Margam Middle Jn
pass
1509
pass
1520
+11
176.70
Port Talbot East
pass
1510
No report
177.39
Port Talbot Parkway [PTA]
1
1511
1512
1511
1512½
1522
1523
+10
179.38
Baglan [BAJ]
1
pass
1514½
pass
1526¼
+11
180.09
Briton Ferry East
pass
1515½
pass
1526¾
+11
181.20
Briton Ferry [BNF]
1
pass
1516½
pass
1528
+11
181.38
Court Sart Jn
pass
1516½
pass
1528
+11
183.00
Neath [NTH]
1 3
1
1519
1520
1518½
1520
1530
1532
+12
185.06
Skewen [SKE]
1
pass
1524
pass
1535¾
+12
186.68
Llansamlet [LAS]
1
pass
1527
pass
1538
+11
189.42
Landore Junction
pass
1531
pass
1540¾
+9
DM
DSM
190.23
Swansea Loop East
pass
1532½
pass
1542
+9
190.67
Swansea [SWA]
Pathed as Class 80x on diesel from here
Service divides here, reverses here
3
1534
1542
1534
1542
1544
1548¾
+6
DSM
USM
191.31
Swansea Loop East
pass
1543½
pass
1550½
+7
USM
DSL
192.04
Swansea Loop West
pass
1545½
pass
1552½
+7
DSL
DM
194.56
Cockett West
pass
1549½
pass
1556¾
+7
196.35
Gowerton [GWN]
1
pass
1552
pass
1558½
+6
199.78
Duffryn West
pass
1555
pass
1601¼
+6
200.39
Llandeilo Jn
pass
1555½
pass
1601¾
+6
202.10
Llanelli [LLE]
1
1558
1559
1558
1559½
1604
1605
+5
DD
206.05
Pembrey & Burry Port [PBY]
1605
1606
1605
1606½
No report
210.64
Kidwelly Junction
pass
1611½
No report
211.22
Kidwelly [KWL]
pass
1612
No report
215.41
Ferryside [FYS]
1
pass
1615½
No report
222.00
Carmarthen Jn [XCI]
pass
1624½
pass
1628
+3
DD
222.45
Carmarthen [CMN]
2
1626
1626
1630
+4
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