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1B17 1348 London Paddington to Carmarthen
Departing on 5th January 2026

operated by
Great Western Railway
5 coaches
London Paddington - Swansea
800016
5 coaches
Swansea - Carmarthen
800016
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
1348½
3
Royal Oak Junction
pass
1349
pass
1349½
3
2
Portobello Jn (London)
pass
1350½
pass
1350¾
Ladbroke Grove
pass
1351
pass
1351½
2
DM
Old Oak Common East
pass
1351½
pass
1352¼
Old Oak Common West
pass
1352
pass
1352¾
Friars Jn
pass
1352½
pass
1353
Acton Main Line [AML]
pass
1353
pass
1353¾
Acton West
pass
1353½
pass
1354
ML
ML
Ealing Broadway [EAL]
1
pass
1354
pass
1354½
West Ealing [WEA]
pass
1354½
pass
1354¾
West Ealing Junction
pass
1354½
pass
1354¾
Hanwell [HAN]
pass
1354½
pass
1355¼
Southall East Jn
pass
1355½
pass
1356
Southall [STL]
1
pass
1355½
pass
1356½
+1
Southall West Jn
pass
1356
pass
1356½
Hayes & Harlington [HAY]
1
pass
1356½
pass
1357¼
+1
Heathrow Airport Jn
pass
1356½
pass
1357¼
ML
Stockley Junction
pass
1357
pass
1357½
West Drayton East
pass
1357½
pass
1358
West Drayton [WDT]
1
pass
1357½
pass
1358½
+1
West Drayton Jcn
pass
1357½
pass
1358½
+1
Iver [IVR]
1
pass
1358
pass
1359
Langley [LNY]
1
pass
1359
pass
1400
+1
Dolphin Jn
pass
1359½
pass
1400½
+1
Slough [SLO]
2
pass
1400
pass
1401½
+1
ML
Slough West
pass
1400½
pass
1401¾
+1
Burnham [BNM]
pass
1401½
pass
1402¾
+1
Taplow [TAP]
1
pass
1402
pass
1403½
+1
Maidenhead East
pass
1402½
pass
1404½
+1
Maidenhead [MAI]
1
pass
1403
pass
1404¾
+1
Ruscombe
pass
1406
pass
1407
+1
Twyford [TWY]
1
1
pass
1406½
pass
1407¾
+1
ML
Twyford West
pass
1407
pass
1408
+1
Kennet Bridge Jn
pass
1409½
pass
1410¼
Reading Main Line East
pass
1410
pass
1410¾
Reading [RDG]
9
1411
1413
1411
1413
1412
1414¾
+1
DM
DM
Reading Main Line West
pass
1413½
pass
1415¼
+1
Reading High Level Jn
pass
1414
pass
1416¼
+2
ML
Tilehurst East Jn.
pass
1415
pass
1417¼
+2
Tilehurst [TLH]
1
pass
1415
pass
1417½
+2
Pangbourne [PAN]
pass
1417
pass
1418¾
+1
Goring & Streatley [GOR]
1
1
pass
1419
pass
1420½
+1
ML
Cholsey [CHO]
1
pass
1421
pass
1422¼
+1
Moreton Cutting
pass
1423
pass
1423½
Didcot East Jn
pass
1424
pass
1424
Didcot Parkway [DID]
1
pass
1424
pass
1424½
Didcot West End
pass
1424
No report
Foxhall Jn [XJF]
pass
1424½
pass
1424¾
Milton Junction
pass
1425
pass
1425¼
Steventon
pass
1426
pass
1426¼
Wantage Road
pass
1428
pass
1430¼
+2
Challow
pass
1430
pass
1433
+3
Uffington (Oxfordshire)
1
pass
1431
pass
1434¼
+3
Bourton
pass
1434½
pass
1437
+2
Swindon South Marston Jn
pass
1436
pass
1438¼
+2
Swindon Stratton Green
pass
1436½
pass
1439
+2
Highworth Jn
pass
1437
pass
1439
+2
Swindon East Loop
pass
1437
pass
1440¼
+3
Swindon [SWI]
4
1437
1440
1438
1440
1441
1441¾
+1
DM
DM
Rushey Platt
pass
1441½
pass
1443¼
+2
Wootton Bassett Jn
pass
1444½
pass
1446¼
+1
DM
DB
Little Somerford
pass
1448½
pass
1450¼
+1
Hullavington
1
pass
1451
pass
1452¾
+1
Badminton
pass
1454½
pass
1455
Chipping Sodbury
pass
1457
pass
1458
+1
Westerleigh Jn
pass
1458½
pass
1500¼
+1
Bristol Parkway [BPW]
2
1502
1503
1501½
1503½
1504½
1506¼
+2
DB
DT
Patchway [PWY]
2
pass
1505
pass
1507¾
+2
Pilning [PIL]
2
pass
1507½
pass
1510¾
+3
Severn Tunnel East
pass
1508½
pass
1511½
+3
Severn Tunnel West
pass
1512
pass
1515
+3
Severn Tunnel Junction [STJ]
3
pass
1513
pass
1516¼
+3
DT
DM
Magor
pass
1514½
pass
1517¾
+3
Llanwern West Jn
½
pass
1518
pass
1521½
+3
East Usk Jn.
pass
1519
pass
1522
+3
Maindee East Jn
pass
1520
pass
1523
+3
ML
Maindee West Jn
pass
1520½
pass
1523¾
+3
Newport (South Wales) [NWP]
2
1522
1523
1521½
1523½
1525
1526¼
+2
DM
DM
Gaer Jn
pass
1525
pass
1527¾
+2
DM
Ebbw Jn
pass
1526
pass
1528½
+2
DM
DM
Marshfield
pass
1528½
pass
1531¼
+2
Rumney River Bridge Jn
pass
1531½
pass
1533¾
+2
Pengam Jn
pass
1531½
pass
1534¼
+2
Moorland Road Junction
1
pass
1532
pass
1536¾
+4
DM
DR
Long Dyke Jn
pass
1533½
pass
1537¾
+4
E
Cardiff East
pass
1535
pass
1538¾
+3
DR
E
Cardiff Central [CDF]
Pathed as Class 80x on diesel from here
4
1536
1538
1536
1538
1539¾
1543¼
+5
E
D
Cardiff West
pass
1539
No report
Leckwith North Jn
pass
1541
pass
1546¼
+5
D
DM
St Fagans L C
pass
1543
pass
1549
+5
Miskin
pass
1547
pass
1553
+5
Pontyclun [PYC]
1
pass
1549
pass
1555
+6
Llantrisant [LTI]
pass
1549½
No report
Llanharan [LLR]
2
pass
1551
pass
1557¼
+6
Pencoed [PCD]
1
pass
1553
pass
1559¼
+6
Tremains
pass
1555½
pass
1601
+5
Bridgend [BGN]
1
1557
1558
1556½
1558
1602¾
1604
+6
DM
DM
Stormy
pass
1602½
pass
1609¼
+6
Pyle [PYL]
1
pass
1603½
pass
1610¾
+7
Margam Moors Jn.
pass
1605
pass
1611¾
+6
DM
Margam East Jn
pass
1606
pass
1613¼
+7
Margam Middle Jn
pass
1606½
pass
1613½
+6
Port Talbot East
pass
1607½
No report
Port Talbot Parkway [PTA]
1
1609
1610
1608½
1610
1615½
1616¾
+6
Baglan [BAJ]
1
pass
1612
pass
1619¾
+7
Briton Ferry East
pass
1613
pass
1620
+7
Briton Ferry [BNF]
1
pass
1614
pass
1621¼
+7
Court Sart Jn
pass
1614
pass
1621¼
+7
Neath [NTH]
1
1
1615
1616
1616
1617½
1623
1624¾
+7
Skewen [SKE]
1
pass
1620½
pass
1628
+7
Llansamlet [LAS]
1
pass
1623
pass
1630¼
+7
Landore Junction
pass
1626
pass
1633
+7
DM
DSM
Swansea Loop East
pass
1627
pass
1634¼
+7
Swansea [SWA]
Pathed as Class 80x on diesel from here
Service reverses here
3
1629
1637
1628½
1637
1636¼
1643
+6
DSM
USM
Swansea Loop East
pass
1638½
pass
1644¾
+6
USM
DSL
Swansea Loop West
pass
1640½
pass
1646¾
+6
DSL
DM
Cockett West
pass
1644
pass
1651
+7
Gowerton [GWN]
1
pass
1646½
pass
1652¾
+6
Duffryn West
pass
1649½
pass
1655¾
+6
Llandeilo Jn
pass
1650
pass
1656
+6
Llanelli [LLE]
1
1653
1654
1652½
1654
1658¼
1700
+6
DD
Pembrey & Burry Port [PBY]
1700
1701
1659½
1701
No report
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
1722
+2
DD
Carmarthen [CMN]
2
1721
1721
1724
+3
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