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1B17 1348 London Paddington to Carmarthen
Departing on 17th December 2025

operated by
Great Western Railway
5 coaches
London Paddington - Swansea
800036
5 coaches
Swansea - Carmarthen
800036
GBTT
WTT
RTTRealtime
Route
Location
Pl
Arr
Dep
Arr
Dep
Arr
Dep
Dly
Path
Line
London Paddington [PAD]
Pathed as Class 80x on electric at 125mph
forms from 1L16 from Carmarthen
8
1348
1348
1348
3
Royal Oak Junction
pass
1349
pass
1349
3
2
Portobello Jn (London)
pass
1350½
pass
1350
Ladbroke Grove
pass
1351
pass
1350¾
2
DM
Old Oak Common East
pass
1351½
pass
1351½
Old Oak Common West
pass
1352
pass
1352
Friars Jn
pass
1352½
pass
1352¼
Acton Main Line [AML]
pass
1353
pass
1352¾
Acton West
pass
1353½
pass
1353¼
ML
ML
Ealing Broadway [EAL]
1
pass
1354
pass
1353½
West Ealing [WEA]
pass
1354½
pass
1354
West Ealing Junction
pass
1354½
pass
1354
Hanwell [HAN]
pass
1354½
pass
1354½
Southall East Jn
pass
1355½
pass
1355¼
Southall [STL]
1
pass
1355½
pass
1355¾
Southall West Jn
pass
1356
pass
1355¾
Hayes & Harlington [HAY]
1
pass
1356½
pass
1356½
Heathrow Airport Jn
pass
1356½
pass
1356¼
ML
Stockley Junction
pass
1357
pass
1356¾
West Drayton East
pass
1357½
pass
1357¼
West Drayton [WDT]
1
pass
1357½
pass
1357¾
West Drayton Jcn
pass
1357½
pass
1357¾
Iver [IVR]
1
pass
1358
pass
1358¼
Langley [LNY]
1
pass
1359
pass
1359¼
Dolphin Jn
pass
1359½
pass
1359½
Slough [SLO]
2
pass
1400
pass
1400
ML
Slough West
pass
1400½
pass
1400¼
Burnham [BNM]
pass
1401½
pass
1401
Taplow [TAP]
1
pass
1402
pass
1402
Maidenhead East
pass
1402½
pass
1402¾
Maidenhead [MAI]
1
pass
1403
pass
1403
Ruscombe
pass
1406
pass
1405¼
Twyford [TWY]
1
1
pass
1406½
pass
1406
ML
Twyford West
pass
1407
pass
1406½
Kennet Bridge Jn
pass
1409½
pass
1408½
Reading Main Line East
pass
1410
pass
1409
-1
Reading [RDG]
9
1411
1413
1411
1413
1410
1413
DM
DM
Reading Main Line West
pass
1413½
pass
1413¾
Reading High Level Jn
pass
1414
pass
1414½
ML
Tilehurst East Jn.
pass
1415
pass
1415½
Tilehurst [TLH]
1
pass
1415
pass
1415¾
Pangbourne [PAN]
pass
1417
pass
1417
Goring & Streatley [GOR]
1
1
pass
1419
pass
1418¾
ML
Cholsey [CHO]
1
pass
1421
pass
1420½
Moreton Cutting
pass
1423
pass
1421¾
-1
Didcot East Jn
pass
1424
pass
1422¼
-1
Didcot Parkway [DID]
1
pass
1424
pass
1422¾
-1
Didcot West End
pass
1424
No report
Foxhall Jn [XJF]
pass
1424½
pass
1423
-1
Milton Junction
pass
1425
pass
1423½
-1
Steventon
pass
1426
pass
1424¼
-1
Wantage Road
pass
1428
pass
1426¾
-1
Challow
pass
1430
pass
1428¾
-1
Uffington (Oxfordshire)
1
pass
1431
pass
1429¾
-1
Bourton
pass
1434½
pass
1432¾
-1
Swindon South Marston Jn
pass
1436
pass
1434
-1
Swindon Stratton Green
pass
1436½
pass
1434¾
-1
Highworth Jn
pass
1437
pass
1434¾
-2
Swindon East Loop
pass
1437
pass
1436
-1
Swindon [SWI]
4
1437
1440
1438
1440
1436¾
1439¾
DM
DM
Wootton Bassett Jn
pass
1444½
pass
1444¼
DM
DB
Little Somerford
pass
1448½
pass
1448½
Hullavington
1
pass
1451
pass
1450¾
Badminton
pass
1454½
pass
1453¼
-1
Chipping Sodbury
pass
1457
pass
1456
Westerleigh Jn
pass
1458½
pass
1457¾
Bristol Parkway [BPW]
2
1502
1503
1501½
1503½
1501½
1503¼
DB
DT
Patchway [PWY]
2
pass
1505
pass
1504¾
Pilning [PIL]
2
pass
1507½
pass
1507¾
Severn Tunnel East
pass
1508½
pass
1508¾
Severn Tunnel West
pass
1512
pass
1512¼
Severn Tunnel Junction [STJ]
3
pass
1513
pass
1513½
DT
DM
Magor
pass
1514½
pass
1515
Llanwern West Jn
½
pass
1518
pass
1518¾
East Usk Jn.
pass
1519
pass
1519¼
Maindee East Jn
pass
1520
pass
1520
ML
Maindee West Jn
pass
1520½
pass
1520¾
Newport (South Wales) [NWP]
2
1522
1523
1521½
1523½
1522
1523¼
DM
DM
Gaer Jn
pass
1525
pass
1524¾
DM
Ebbw Jn
pass
1526
pass
1525½
DM
DM
Marshfield
pass
1528½
pass
1528¼
Rumney River Bridge Jn
pass
1531½
pass
1530½
Pengam Jn
pass
1531½
pass
1531
Moorland Road Junction
1
pass
1532
pass
1531¾
DM
DR
Long Dyke Jn
pass
1533½
pass
1532½
E
Cardiff East
pass
1535
pass
1533½
-1
DR
E
Cardiff Central [CDF]
Pathed as Class 80x on diesel from here
4
1536
1538
1536
1538
1534½
1537¾
E
D
Cardiff West
pass
1539
No report
Leckwith North Jn
pass
1541
pass
1540¾
D
DM
St Fagans L C
pass
1543
pass
1543¼
Miskin
pass
1547
pass
1547
Pontyclun [PYC]
1
pass
1549
pass
1549
Llantrisant [LTI]
pass
1549½
No report
Llanharan [LLR]
2
pass
1551
pass
1551
Pencoed [PCD]
1
pass
1553
pass
1553
Tremains
pass
1555½
pass
1555
Bridgend [BGN]
1
1557
1558
1556½
1558
1556½
1558½
DM
DM
Stormy
pass
1602½
pass
1603
Pyle [PYL]
1
pass
1603½
pass
1604¾
+1
Margam Moors Jn.
pass
1605
pass
1607¾
+2
DM
Margam East Jn
pass
1606
pass
1609½
+3
Margam Middle Jn
pass
1606½
pass
1609¾
+3
Port Talbot East
pass
1607½
No report
Port Talbot Parkway [PTA]
1
1609
1610
1608½
1610
1611¾
1613¼
+3
Baglan [BAJ]
1
pass
1612
pass
1616
+3
Briton Ferry East
pass
1613
pass
1616¼
+3
Briton Ferry [BNF]
1
pass
1614
pass
1617½
+3
Court Sart Jn
pass
1614
pass
1617¼
+3
Neath [NTH]
1
1
1615
1616
1616
1617½
1619
1620½
+3
Skewen [SKE]
1
pass
1620½
pass
1623¼
+2
Llansamlet [LAS]
1
pass
1623
pass
1625¼
+2
Landore Junction
pass
1626
pass
1628
+2
DM
DSM
Swansea Loop East
pass
1627
pass
1629½
+2
Swansea [SWA]
Pathed as Class 80x on diesel from here
Service reverses here
3
1629
1637
1628½
1637
1631¼
1636½
DSM
USM
Swansea Loop East
pass
1638½
pass
1638¼
USM
DSL
Swansea Loop West
pass
1640½
pass
1640¼
DSL
DM
Cockett West
pass
1644
pass
1644
Gowerton [GWN]
1
pass
1646½
pass
1645¾
Duffryn West
pass
1649½
pass
1648½
Llandeilo Jn
pass
1650
pass
1648¾
-1
Llanelli [LLE]
1
1653
1654
1652½
1654
1651¼
1653
-1
DD
Pembrey & Burry Port [PBY]
1700
1701
1659½
1701
1659
1700
-1
Kidwelly Junction
pass
1706
No report
Kidwelly [KWL]
2
pass
1706½
No report
Bertwyn Level Crossing
pass
1708
No report
Ferryside [FYS]
1
pass
1710½
No report
Carmarthen Jn [XCI]
pass
1719½
pass
1716
-3
DD
Carmarthen [CMN]
1
1721
1721
1718
-3
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