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1B15 1248 London Paddington to Carmarthen
Departing on 18th April 2026

operated by
Great Western Railway
GBTT
WTT
Route
Location
Pl
Arr
Dep
Arr
Dep
Path
Line
London Paddington [PAD]
9
1248
1248
3
Royal Oak Junction
pass
1249
2
Portobello Jn (London)
pass
1250½
2
Ladbroke Grove
pass
1251
2
ML
Acton West
pass
1253½
ML
ML
Southall [STL]
1
pass
1255½
ML
Heathrow Airport Jn
pass
1256½
ML
Slough [SLO]
2
pass
1300
ML
Maidenhead [MAI]
1
pass
1303
ML
Twyford [TWY]
1
1
pass
1306½
ML
Kennet Bridge Jn
pass
1309½
DML
Reading [RDG]
8
1311
1313
1311
1313
ML
Reading High Level Jn
pass
1314
ML
Goring & Streatley [GOR]
1
pass
1319
ML
Didcot Parkway [DID]
1
pass
1324
Wantage Road
pass
1328
Challow
pass
1330
Uffington (Oxfordshire)
1
pass
1331
Swindon [SWI]
4
1338
1340
1338
1340
Wootton Bassett Jn
pass
1344½
Hullavington
1 ½
pass
1351
Westerleigh Jn
1
pass
1359
Bristol Parkway [BPW]
½
2
1403
1404
1403
1404½
Patchway [PWY]
2
pass
1406½
Pilning [PIL]
2
pass
1409
Severn Tunnel East
pass
1410
Severn Tunnel West
pass
1413½
Severn Tunnel Junction [STJ]
3
pass
1414½
ML
Llanwern West Jn
pass
1419½
Maindee East Jn
pass
1421
ML
Maindee West Jn
pass
1421½
Newport (South Wales) [NWP]
2
1423
1424
1422½
1424½
DM
Gaer Jn
pass
1426
ML
Ebbw Jn
pass
1427
Marshfield
1
pass
1429½
Long Dyke Jn
pass
1434½
E
Cardiff Central [CDF]
Pathed as Class 80x on diesel from here
3
1437
1440
1437
1440
D
Leckwith North Jn
pass
1443
Pontyclun [PYC]
pass
1451
Bridgend [BGN]
1
1459
1500
1458½
1500½
Stormy
pass
1505
Margam Moors Jn.
pass
1507½
Margam East Jn
pass
1508½
Port Talbot Parkway [PTA]
1
1511
1512
1511
1512½
Court Sart Jn
pass
1516½
Neath [NTH]
1 3
1519
1520
1518½
1520
Swansea Loop East
pass
1532½
Swansea [SWA]
Pathed as Class 80x on diesel from here
Service divides here, reverses here
3
1534
1542
1534
1542
Swansea Loop East
pass
1543½
Swansea Loop West
pass
1545½
Gowerton [GWN]
pass
1552
Llandeilo Jn
pass
1555½
Llanelli [LLE]
DPL
1558
1559
1558
1559½
Pembrey & Burry Port [PBY]
1605
1606
1605
1606½
Kidwelly [KWL]
2
pass
1612
Bertwyn Level Crossing
pass
1613½
Ferryside [FYS]
1
pass
1616
Carmarthen Jn [XCI]
pass
1625
Carmarthen [CMN]
2
1627
1627
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