1L20 1127 Carmarthen to London Paddington
Departing on 2nd January 2026

operated by
Great Western Railway
GBTT
WTT
Route
Location
Pl
Arr
Dep
Arr
Dep
Path
Line
pass
1137½
1
pass
1141½
1147
1148
1146½
1148
UPL
1154
1155
1154
1155½
pass
1158
pass
1158½
pass
1203½
pass
1207½
Swansea [SWA]
Pathed as Class 80x on diesel from here
Service reverses here, gains coaches here
3
1213
1222
1213
1222
1233
1234
1232½
1234
2
1240
1241
1240
1241½
pass
1244½
pass
1248½
2
1253
1254
1252½
1254
pass
1302
pass
1311
C
Cardiff Central [CDF]
Pathed as Class 80x on electric from here
2
1314
1318
1315
1318
B
pass
1320
ML
pass
1324
pass
1326½
pass
1327
UM
3
1329
1331
1329
1331
ML
pass
1332½
ML
pass
1334½
pass
1344½
1
pass
1346
1
pass
1349½
Bristol Parkway [BPW]
Pathed as Class 80x on diesel from here
Service reverses here
4
1352
1402
1352
1402
pass
1408½
DF
pass
1409½
UM
Bristol Temple Meads [BRI]
Service reverses here
13
1411
1429
1411
1429
pass
1430
2
1441
1443
1441
1443
pass
1446½
pass
1457
pass
1511
pass
1519
2
pass
1530½
pass
1536½
Newbury [NBY]
Pathed as Class 80x on electric from here
pass
1542½
pass
1548½
pass
1552½
pass
1553½
UFM
11
1555
1601
1556
1601½
UML
pass
1602½
ML
2
pass
1605½
ML
2
pass
1609
ML
pass
1611½
RL
5
pass
1612
RL
pass
1622½
RL
pass
1624½
ML
2
pass
1625½
ML
pass
1627½
ML
ML
pass
1631
ML
3