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1B13 1148 London Paddington to Carmarthen
Departing on 3rd December 2025

operated by
Great Western Railway
10 coaches
London Paddington - Swansea
800018
800011
5 coaches
Swansea - Carmarthen
800011
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
4
1148
1148
1147¾
2
0.41
Royal Oak Junction
pass
1149
pass
1149
1.28
Portobello Jn (London)
pass
1150½
pass
1150¼
1.68
Ladbroke Grove
pass
1151
pass
1150¾
2
DM
2.55
Old Oak Common East
pass
1151½
pass
1151¾
3.15
Old Oak Common West
pass
1152
pass
1152¼
3.48
Friars Jn
pass
1152½
pass
1152½
4.16
Acton Main Line [AML]
pass
1153
pass
1153
4.75
Acton West
pass
1153½
pass
1153½
ML
ML
5.51
Ealing Broadway [EAL]
1
pass
1154
pass
1153¾
6.41
West Ealing [WEA]
pass
1154½
pass
1154¼
6.49
West Ealing Junction
pass
1154½
pass
1154¼
7.23
Hanwell [HAN]
pass
1154½
pass
1154¾
8.57
Southall East Jn
pass
1155½
pass
1155½
9.01
Southall [STL]
1
pass
1155½
pass
1156
9.65
Southall West Jn
pass
1156
pass
1156
10.66
Hayes & Harlington [HAY]
1
pass
1156½
pass
1156¾
11.09
Heathrow Airport Jn
pass
1156½
pass
1156½
ML
12.04
Stockley Junction
pass
1157
pass
1157
12.62
West Drayton East
pass
1157½
pass
1157½
13.12
West Drayton [WDT]
1
pass
1157½
pass
1158
13.26
West Drayton Jcn
pass
1157½
pass
1158
14.55
Iver [IVR]
1
pass
1158
pass
1158½
16.13
Langley [LNY]
1
pass
1159
pass
1159½
17.13
Dolphin Jn
pass
1159½
pass
1159¾
18.31
Slough [SLO]
2
pass
1200
pass
1200¼
ML
19.06
Slough West
pass
1200½
pass
1200½
20.72
Burnham [BNM]
pass
1201½
pass
1201¼
22.34
Taplow [TAP]
1
pass
1202
pass
1202
23.53
Maidenhead East
pass
1202½
pass
1203
24.14
Maidenhead [MAI]
1
pass
1203
pass
1203¼
29.40
Ruscombe
pass
1206
pass
1205½
30.76
Twyford [TWY]
1
1
pass
1206½
pass
1206¼
ML
31.57
Twyford West
pass
1207
pass
1206¾
35.10
Kennet Bridge Jn
pass
1209½
pass
1208¾
35.56
Reading Main Line East
pass
1210
pass
1209¼
35.75
Reading [RDG]
9
1211
1213
1211
1213
1210½
1213
DM
DM
36.12
Reading Main Line West
pass
1213½
pass
1213¾
36.45
Reading High Level Jn
pass
1214
pass
1214½
ML
38.29
Tilehurst East Jn.
pass
1215
pass
1215¾
38.47
Tilehurst [TLH]
1
pass
1215
pass
1215¾
41.38
Pangbourne [PAN]
pass
1217
pass
1217¼
44.55
Goring & Streatley [GOR]
1
1
pass
1219
pass
1219
ML
48.32
Cholsey [CHO]
1
pass
1221
pass
1220¾
51.32
Moreton Cutting
pass
1223
pass
1222
52.61
Didcot East Jn
pass
1224
pass
1222½
-1
53.05
Didcot Parkway [DID]
½
1
pass
1224
pass
1223
53.20
Didcot West End
pass
1224
No report
53.50
Foxhall Jn [XJF]
pass
1224½
pass
1223¼
55.14
Milton Junction
pass
1225½
pass
1223¾
-1
56.27
Steventon
pass
1226
pass
1225½
60.17
Wantage Road
pass
1228½
pass
1228½
63.75
Challow
pass
1230½
pass
1230½
66.34
Uffington (Oxfordshire)
1
pass
1231½
pass
1231¾
72.25
Bourton
pass
1235
pass
1234½
74.46
Swindon South Marston Jn
pass
1236½
pass
1235¾
75.58
Swindon Stratton Green
pass
1237
pass
1236½
76.27
Highworth Jn
pass
1237½
pass
1236½
76.59
Swindon East Loop
pass
1237½
pass
1237¾
77.18
Swindon [SWI]
4
1238
1240
1238½
1240½
1238¾
1239¾
DM
DM
82.67
Wootton Bassett Jn
pass
1245
pass
1244¾
DM
DB
89.57
Little Somerford
pass
1249
pass
1249
94.16
Hullavington
1
pass
1251½
pass
1251½
99.76
Badminton
pass
1255
pass
1254
104.40
Chipping Sodbury
pass
1257½
pass
1256¾
107.09
Westerleigh Jn
pass
1259
pass
1258½
111.57
Bristol Parkway [BPW]
2
1302
1304
1302
1304
1302¾
1304¾
DB
DT
112.79
Patchway [PWY]
2
pass
1305½
pass
1306¼
116.45
Pilning [PIL]
2
pass
1308
pass
1309¼
+1
118.03
Severn Tunnel East
pass
1309
pass
1310¼
+1
122.31
Severn Tunnel West
pass
1312½
pass
1313½
+1
123.41
Severn Tunnel Junction [STJ]
3
pass
1313½
pass
1315
+1
DT
DM
125.66
Magor
pass
1315
pass
1316¾
+1
130.72
Llanwern West Jn
pass
1318½
pass
1320¼
+1
131.63
East Usk Jn.
pass
1319½
pass
1321
+1
132.55
Maindee East Jn
pass
1320
pass
1322
+1
132.77
Maindee West Jn
pass
1320½
pass
1322¾
+2
133.31
Newport (South Wales) [NWP]
2
1322
1323
1321½
1323½
1324
1325½
+2
DM
DM
134.13
Gaer Jn
pass
1325
pass
1327
+2
DM
134.68
Ebbw Jn
pass
1326
pass
1328
+2
DM
DM
138.41
Marshfield
1
pass
1328½
pass
1330¾
+2
142.42
Rumney River Bridge Jn
pass
1332
pass
1333
+1
143.01
Pengam Jn
pass
1332½
pass
1333½
+1
143.46
Moorland Road Junction
pass
1333
pass
1334
+1
144.16
Long Dyke Jn
pass
1333½
pass
1335
+1
E
144.79
Cardiff East
pass
1335
pass
1336
+1
DM
E
145.11
Cardiff Central [CDF]
Pathed as Class 80x on diesel from here
3
1335
1337
1335½
1337½
1337½
1340
+2
E
D
145.37
Cardiff West
pass
1338½
No report
146.36
Leckwith North Jn
pass
1340½
pass
1343
+2
D
DM
149.14
St Fagans L C
pass
1342½
pass
1345½
+2
154.08
Miskin
pass
1346½
pass
1349¼
+2
156.21
Pontyclun [PYC]
1
pass
1348½
pass
1351¼
+2
156.57
Llantrisant [LTI]
pass
1349
No report
158.53
Llanharan [LLR]
2
pass
1350½
pass
1353½
+3
161.41
Pencoed [PCD]
1
pass
1352½
pass
1355¼
+2
164.42
Tremains
pass
1355
pass
1357¼
+2
165.26
Bridgend [BGN]
1
1356
1357
1356
1357½
1359
1400¾
+3
DM
DM
169.46
Stormy
pass
1402
pass
1406
+4
171.21
Pyle [PYL]
1
pass
1403
pass
1407¼
+4
173.45
Margam Moors Jn.
pass
1404½
pass
1408½
+4
DM
175.12
Margam East Jn
pass
1405½
pass
1409¾
+4
176.00
Margam Middle Jn
pass
1406
pass
1410
+3
176.70
Port Talbot East
pass
1407
No report
177.39
Port Talbot Parkway [PTA]
1
1408
1409
1408
1409½
1412¼
1413¼
+3
179.38
Baglan [BAJ]
1
pass
1411½
pass
1416¼
+4
180.09
Briton Ferry East
pass
1412½
pass
1416½
+4
181.20
Briton Ferry [BNF]
1
pass
1413½
pass
1417¾
+4
181.38
Court Sart Jn
pass
1413½
pass
1417¾
+4
183.00
Neath [NTH]
1
1
1416
1417
1415½
1417
1419½
1421¼
+4
185.06
Skewen [SKE]
1
pass
1420
pass
1424½
+4
186.68
Llansamlet [LAS]
1
pass
1422½
pass
1426½
+4
189.42
Landore Junction
pass
1425½
pass
1429¼
+3
DM
DSM
190.23
Swansea Loop East
pass
1426½
pass
1430¾
+4
190.67
Swansea [SWA]
Pathed as Class 80x on diesel from here
Service divides here, reverses here
3
1427
1444
1428
1444
1432½
1443¼
DSM
USM
191.31
Swansea Loop East
pass
1445½
pass
1445
USM
DSL
192.04
Swansea Loop West
pass
1447½
pass
1447
DSL
DM
194.56
Cockett West
pass
1451½
pass
1451
196.35
Gowerton [GWN]
1
pass
1454
pass
1452¾
-1
199.78
Duffryn West
pass
1457
pass
1455½
-1
200.39
Llandeilo Jn
pass
1457½
pass
1456
-1
202.10
Llanelli [LLE]
1
1500
1501
1500
1501½
1458¼
1500
-1
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
1524
-2
DD
222.45
Carmarthen [CMN]
2
1528
1528
1526
-2
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