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1B13 1148 London Paddington to Carmarthen
Departing on 11th December 2025

operated by
Great Western Railway
10 coaches
London Paddington - Swansea
800006
800024
5 coaches
Swansea - Carmarthen
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
2
1148
1148
1148
2
0.41
Royal Oak Junction
pass
1149
pass
1149¼
1.28
Portobello Jn (London)
pass
1150½
pass
1150½
1.68
Ladbroke Grove
pass
1151
pass
1151¼
2
DM
2.55
Old Oak Common East
pass
1151½
pass
1152¼
3.15
Old Oak Common West
pass
1152
pass
1152¾
3.48
Friars Jn
pass
1152½
pass
1153
4.16
Acton Main Line [AML]
pass
1153
pass
1153¾
4.75
Acton West
pass
1153½
pass
1154
ML
ML
5.51
Ealing Broadway [EAL]
1
pass
1154
pass
1154½
6.41
West Ealing [WEA]
pass
1154½
pass
1155
6.49
West Ealing Junction
pass
1154½
pass
1155
7.23
Hanwell [HAN]
pass
1154½
pass
1155¼
8.57
Southall East Jn
pass
1155½
pass
1156
9.01
Southall [STL]
1
pass
1155½
pass
1156½
+1
9.65
Southall West Jn
pass
1156
pass
1156½
10.66
Hayes & Harlington [HAY]
1
pass
1156½
pass
1157¼
+1
11.09
Heathrow Airport Jn
pass
1156½
pass
1157
ML
12.04
Stockley Junction
pass
1157
pass
1157½
12.62
West Drayton East
pass
1157½
pass
1158
13.12
West Drayton [WDT]
1
pass
1157½
pass
1158½
+1
13.26
West Drayton Jcn
pass
1157½
pass
1158½
+1
14.55
Iver [IVR]
1
pass
1158
pass
1159
16.13
Langley [LNY]
1
pass
1159
pass
1200
+1
17.13
Dolphin Jn
pass
1159½
pass
1200¼
+1
18.31
Slough [SLO]
2
pass
1200
pass
1200¾
ML
19.06
Slough West
pass
1200½
pass
1201¼
20.72
Burnham [BNM]
pass
1201½
pass
1202
22.34
Taplow [TAP]
1
pass
1202
pass
1202¾
23.53
Maidenhead East
pass
1202½
pass
1203½
24.14
Maidenhead [MAI]
1
pass
1203
pass
1204
+1
29.40
Ruscombe
pass
1206
pass
1209
+3
30.76
Twyford [TWY]
1
1
pass
1206½
pass
1209¾
+3
ML
31.57
Twyford West
pass
1207
pass
1210¼
+3
35.10
Kennet Bridge Jn
pass
1209½
pass
1213¼
+3
35.56
Reading Main Line East
pass
1210
pass
1215½
+5
35.75
Reading [RDG]
9
1211
1213
1211
1213
1216½
1218¼
+5
DM
DM
36.12
Reading Main Line West
pass
1213½
pass
1219
+5
36.45
Reading High Level Jn
pass
1214
pass
1219¾
+5
ML
38.29
Tilehurst East Jn.
pass
1215
pass
1220¾
+5
38.47
Tilehurst [TLH]
1
pass
1215
pass
1220¾
+5
41.38
Pangbourne [PAN]
pass
1217
pass
1222¼
+5
44.55
Goring & Streatley [GOR]
1
1
pass
1219
pass
1224
+5
ML
48.32
Cholsey [CHO]
1
pass
1221
pass
1225¾
+4
51.32
Moreton Cutting
pass
1223
pass
1227
+4
52.61
Didcot East Jn
pass
1224
pass
1227½
+3
53.05
Didcot Parkway [DID]
½
1
pass
1224
pass
1228
+4
53.20
Didcot West End
pass
1224
No report
53.50
Foxhall Jn [XJF]
pass
1224½
pass
1228¼
+4
55.14
Milton Junction
pass
1225½
pass
1228¾
+3
56.27
Steventon
pass
1226
pass
1229½
+3
60.17
Wantage Road
pass
1228½
pass
1232
+3
63.75
Challow
pass
1230½
pass
1234
+3
66.34
Uffington (Oxfordshire)
1
pass
1231½
pass
1235¼
+3
72.25
Bourton
pass
1235
pass
1238
+3
74.46
Swindon South Marston Jn
pass
1236½
pass
1239¼
+2
75.58
Swindon Stratton Green
pass
1237
pass
1240¼
+3
76.27
Highworth Jn
pass
1237½
pass
1240½
+3
76.59
Swindon East Loop
pass
1237½
pass
1241½
+3
77.18
Swindon [SWI]
4
1238
1240
1238½
1240½
1242¾
1244¾
+4
DM
DM
82.67
Wootton Bassett Jn
pass
1245
pass
1249¾
+4
DM
DB
89.57
Little Somerford
pass
1249
pass
1254
+5
94.16
Hullavington
1
pass
1251½
pass
1256¼
+4
99.76
Badminton
pass
1255
pass
1258¾
+4
104.40
Chipping Sodbury
pass
1257½
pass
1301¾
+4
107.09
Westerleigh Jn
pass
1259
pass
1303½
+4
111.57
Bristol Parkway [BPW]
2
1302
1304
1302
1304
1308
1310
+6
DB
DT
112.79
Patchway [PWY]
2
pass
1305½
pass
1313½
+8
116.45
Pilning [PIL]
2
pass
1308
pass
1317½
+9
118.03
Severn Tunnel East
pass
1309
pass
1319½
+10
122.31
Severn Tunnel West
pass
1312½
pass
1323
+10
123.41
Severn Tunnel Junction [STJ]
3
pass
1313½
pass
1324½
+11
DT
DM
125.66
Magor
pass
1315
pass
1326
+11
130.72
Llanwern West Jn
pass
1318½
pass
1329¾
+11
131.63
East Usk Jn.
pass
1319½
pass
1330¼
+11
132.55
Maindee East Jn
pass
1320
pass
1331¼
+11
132.77
Maindee West Jn
pass
1320½
pass
1332½
+12
133.31
Newport (South Wales) [NWP]
2
1322
1323
1321½
1323½
1334¼
1336
+12
DM
DM
134.13
Gaer Jn
pass
1325
pass
1337¾
+12
DM
134.68
Ebbw Jn
pass
1326
pass
1338¾
+12
DM
DM
138.41
Marshfield
1
pass
1328½
pass
1341½
+13
142.42
Rumney River Bridge Jn
pass
1332
pass
1343¾
+11
143.01
Pengam Jn
pass
1332½
pass
1344¼
+11
143.46
Moorland Road Junction
pass
1333
pass
1344¾
+11
144.16
Long Dyke Jn
pass
1333½
pass
1345½
+12
E
144.79
Cardiff East
pass
1335
pass
1346¾
+12
DM
D
145.11
Cardiff Central [CDF]
Pathed as Class 80x on diesel from here
3
1335
1337
1335½
1337½
1348
1350¼
+12
D
D
145.37
Cardiff West
pass
1338½
No report
146.36
Leckwith North Jn
pass
1340½
pass
1353¼
+12
D
DM
149.14
St Fagans L C
pass
1342½
pass
1356
+13
154.08
Miskin
pass
1346½
pass
1400
+13
156.21
Pontyclun [PYC]
1
pass
1348½
pass
1402
+13
156.57
Llantrisant [LTI]
pass
1349
No report
158.53
Llanharan [LLR]
2
pass
1350½
pass
1404
+13
161.41
Pencoed [PCD]
1
pass
1352½
pass
1406
+13
164.42
Tremains
pass
1355
pass
1408
+13
165.26
Bridgend [BGN]
1
1356
1357
1356
1357½
1409¾
1412¾
+15
DM
DM
169.46
Stormy
pass
1402
pass
1418½
+16
171.21
Pyle [PYL]
1
pass
1403
pass
1419¾
+16
173.45
Margam Moors Jn.
pass
1404½
pass
1421
+16
DM
175.12
Margam East Jn
pass
1405½
pass
1422¼
+16
176.00
Margam Middle Jn
pass
1406
pass
1422½
+16
176.70
Port Talbot East
pass
1407
No report
177.39
Port Talbot Parkway [PTA]
1
1408
1409
1408
1409½
1424¾
1426
+16
179.38
Baglan [BAJ]
1
pass
1411½
pass
1429¼
+17
180.09
Briton Ferry East
pass
1412½
pass
1429½
+17
181.20
Briton Ferry [BNF]
1
pass
1413½
pass
1430¾
+17
181.38
Court Sart Jn
pass
1413½
pass
1430¾
+17
183.00
Neath [NTH]
1
1
1416
1417
1415½
1417
1433
1434½
+17
185.06
Skewen [SKE]
1
pass
1420
pass
1438
+18
186.68
Llansamlet [LAS]
1
pass
1422½
pass
1440¼
+18
189.42
Landore Junction
pass
1425½
pass
1443¼
+17
DM
DSM
190.23
Swansea Loop East
pass
1426½
pass
1444¾
+18
190.67
Swansea [SWA]
Pathed as Class 80x on diesel from here
Service divides here, reverses here
3
1427
1444
1428
1444
1446¾
1453¼
+9
DSM
USM
191.31
Swansea Loop East
pass
1445½
pass
1455
+9
USM
DSL
192.04
Swansea Loop West
pass
1447½
pass
1457
+9
DSL
DM
194.56
Cockett West
pass
1451½
pass
1501¼
+10
196.35
Gowerton [GWN]
1
pass
1454
pass
1503
+9
199.78
Duffryn West
pass
1457
pass
1505¾
+8
200.39
Llandeilo Jn
pass
1457½
pass
1506¼
+8
202.10
Llanelli [LLE]
1
1500
1501
1500
1501½
1508½
1510
+8
DD
206.05
Pembrey & Burry Port [PBY]
1507
1508
1507
1508½
No report
210.64
Kidwelly Junction
pass
1513½
No report
211.22
Kidwelly [KWL]
pass
1514
No report
215.41
Ferryside [FYS]
1
pass
1517½
No report
222.00
Carmarthen Jn [XCI]
pass
1526½
pass
1532
+5
DD
222.45
Carmarthen [CMN]
1
1528
1528
1534
+6
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