1B17 1235 London Paddington to Swansea
Departing on 17th January 2026

operated by
Great Western Railway
GBTT
WTT
Route
Location
Pl
Arr
Dep
Arr
Dep
Path
Line
pass
1238
2
ML
pass
1240½
ML
ML
1
pass
1242½
ML
2
pass
1247
ML
1
pass
1250
ML
1
pass
1253½
ML
pass
1256½
DML
7
1258
1301
1258
1301
WL
pass
1303
pass
1305
pass
1308
Newbury [NBY]
Pathed as Class 80x on diesel from here
pass
1320
1
pass
1333½
pass
1342½
pass
1346
pass
1351
pass
1356½
pass
1402½
pass
1409
1
1425
1426
1424½
1426½
pass
1436½
DF
Bristol Temple Meads [BRI]
Service reverses here
10
1438
1446
1438
1446
UF
pass
1448
ML
Bristol Parkway [BPW]
Pathed as Class 80x on electric from here
Service reverses here
2
1455
1503
1455
1503½
2
pass
1507½
pass
1519½
ML
2
1521
1523
1521
1523
DM
pass
1524½
ML
pass
1525½
pass
1528
pass
1533
E
Cardiff Central [CDF]
Pathed as Class 80x on diesel from here
3
1536
1537
1535½
1537½
D
pass
1548½
1
1556
1557
1556
1557½
pass
1602
pass
1605½
1
1608
1609
1608
1609½
pass
1613½
1616
1617
1615½
1617
3
1628
1628