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1B40 1345 London Paddington to Carmarthen
Departing on 4th January 2026

operated by
Great Western Railway
10 coaches
London Paddington - Swansea
800023
800024
5 coaches
Swansea - Carmarthen
800024
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
4
1345
1345
1346½
+1
1
Royal Oak Junction
pass
1346
pass
1347¾
+1
Portobello Jn (London)
pass
1347
pass
1349
+2
Ladbroke Grove
pass
1348
pass
1349¾
+1
1
DM
Old Oak Common East
pass
1348½
pass
1350¾
+2
Old Oak Common West
pass
1349
pass
1351¼
+2
Friars Jn
pass
1349½
pass
1351¼
+2
Acton Main Line [AML]
pass
1350
pass
1352
+2
Acton West
pass
1350½
pass
1352½
+2
ML
ML
Ealing Broadway [EAL]
1
pass
1351
pass
1352¾
+2
West Ealing [WEA]
pass
1351½
pass
1353¼
+2
West Ealing Junction
pass
1351½
pass
1353¼
+2
Hanwell [HAN]
pass
1351½
pass
1353½
+2
Southall East Jn
pass
1352½
pass
1354¼
+2
Southall [STL]
1
pass
1352½
pass
1354¾
+2
Southall West Jn
pass
1353
pass
1354¾
+2
Hayes & Harlington [HAY]
1
pass
1353½
pass
1355¾
+2
Heathrow Airport Jn
pass
1353½
pass
1355½
+2
ML
Stockley Junction
pass
1354
pass
1355¾
+2
West Drayton East
pass
1354½
pass
1356¼
+2
West Drayton [WDT]
1
pass
1354½
pass
1356¾
+2
West Drayton Jcn
pass
1354½
pass
1357
+2
Iver [IVR]
1
pass
1355
pass
1357½
+2
Langley [LNY]
1
pass
1356
pass
1358½
+2
Dolphin Jn
pass
1356½
pass
1359
+2
Slough [SLO]
2
pass
1357
pass
1359¾
+2
ML
Slough West
pass
1357½
pass
1400¼
+3
Burnham [BNM]
pass
1358½
pass
1401¼
+3
Taplow [TAP]
1
pass
1359
pass
1402
+3
Maidenhead East
pass
1359½
pass
1403
+3
Maidenhead [MAI]
1
pass
1400
pass
1403¼
+3
Ruscombe
pass
1403
pass
1405½
+2
Twyford [TWY]
1
1
pass
1403½
pass
1406¼
+2
ML
Twyford West
pass
1404
pass
1406½
+2
Kennet Bridge Jn
pass
1406½
pass
1409
+2
Reading Main Line East
pass
1407
pass
1409½
+2
Reading [RDG]
9
1408
1410
1408
1410
1410¾
1412½
+2
DM
DM
Reading Main Line West
pass
1410½
pass
1413¼
+2
Reading High Level Jn
pass
1411
pass
1414
+3
ML
Tilehurst East Jn.
pass
1412
pass
1415
+3
Tilehurst [TLH]
1
pass
1412
pass
1415
+2
Pangbourne [PAN]
pass
1414
pass
1416½
+2
Goring & Streatley [GOR]
1
1
pass
1416
pass
1418¼
+2
ML
Cholsey [CHO]
1
pass
1418
pass
1420
+1
Moreton Cutting
pass
1420
pass
1421¼
+1
Didcot East Jn
pass
1421
pass
1421¾
+1
Didcot Parkway [DID]
1
pass
1421
pass
1422¼
+1
Didcot West End
pass
1421
No report
Foxhall Jn [XJF]
pass
1421½
pass
1422½
+1
Milton Junction
pass
1422
pass
1423
Steventon
pass
1423
pass
1423¾
+1
Wantage Road
pass
1425
pass
1427¾
+2
Challow
pass
1427
pass
1430½
+3
Uffington (Oxfordshire)
1
pass
1428
pass
1431¾
+3
Bourton
pass
1431½
pass
1434½
+3
Swindon South Marston Jn
pass
1433
pass
1435¾
+3
Swindon Stratton Green
pass
1433½
pass
1436¾
+3
Highworth Jn
pass
1434
pass
1437
+3
Swindon East Loop
pass
1434
pass
1438
+3
Swindon [SWI]
4
1435
1438
1435
1438
1439
1440¼
+2
DM
DM
Rushey Platt
pass
1439½
pass
1441¾
+2
Wootton Bassett Jn
pass
1442½
pass
1445
+2
DM
DB
Little Somerford
pass
1446½
pass
1449
+2
Hullavington
1
pass
1449
pass
1451½
+2
Badminton
pass
1452½
pass
1454
+1
Chipping Sodbury
pass
1455
pass
1457
+2
Westerleigh Jn
2
pass
1456½
pass
1458¾
+2
Bristol Parkway [BPW]
1
1500
1501
1501½
1503
1504
1506½
+3
DB
DT
Patchway [PWY]
2
pass
1504½
pass
1509
+4
Pilning [PIL]
2
pass
1507
pass
1512
+5
Severn Tunnel East
pass
1508
pass
1513
+5
Severn Tunnel West
2½
pass
1511½
pass
1516½
+5
Severn Tunnel Junction [STJ]
1½
3
pass
1515
pass
1517¾
+2
DT
DM
Magor
pass
1517
pass
1519¼
+2
Llanwern West Jn
pass
1521½
pass
1523
+1
East Usk Jn.
pass
1522
pass
1523½
+1
Maindee East Jn
pass
1523
pass
1524½
+1
ML
Maindee West Jn
½
pass
1523½
pass
1525½
+2
Newport (South Wales) [NWP]
2
1525
1526
1525
1526½
1526½
1528½
+2
DM
DM
Gaer Jn
pass
1528
pass
1530
+2
DM
Ebbw Jn
pass
1529
pass
1530¾
+1
DM
DM
Marshfield
½
pass
1531½
pass
1533½
+2
Rumney River Bridge Jn
pass
1534½
pass
1535¾
+1
Pengam Jn
pass
1535
pass
1536¼
+1
Moorland Road Junction
1 ½
pass
1535½
pass
1537
+1
DM
DR
Long Dyke Jn
pass
1537½
pass
1538
E
Cardiff East
pass
1539
pass
1539¼
DR
E
Cardiff Central [CDF]
Pathed as Class 80x on diesel from here
4
1540
1541
1540
1542
1541¼
1543¾
+1
E
D
Cardiff West
pass
1543
No report
Leckwith North Jn
pass
1545
pass
1547
+2
D
DM
St Fagans L C
pass
1547
pass
1549½
+2
Miskin
pass
1551
pass
1553½
+2
Pontyclun [PYC]
1
pass
1553
pass
1555¼
+2
Llantrisant [LTI]
pass
1553½
No report
Llanharan [LLR]
2
pass
1555
pass
1557½
+2
Pencoed [PCD]
1
pass
1557
pass
1559½
+2
Tremains
pass
1559½
pass
1601½
+2
Bridgend [BGN]
1
1601
1602
1600½
1602
1603¼
1604½
+2
DM
DM
Stormy
pass
1606½
pass
1609¾
+3
Pyle [PYL]
1
pass
1607½
pass
1611¼
+3
Margam Moors Jn.
pass
1609
pass
1612¼
+3
DM
Margam East Jn
pass
1610
pass
1613¾
+3
Margam Middle Jn
pass
1610½
pass
1614
+3
Port Talbot East
pass
1611½
No report
Port Talbot Parkway [PTA]
1
1613
1614
1612½
1614
1616¼
1617½
+3
Baglan [BAJ]
1
pass
1616
pass
1620½
+4
Briton Ferry East
pass
1617
pass
1620¾
+4
Briton Ferry [BNF]
1
pass
1618
pass
1622¼
+4
Court Sart Jn
pass
1618
pass
1622
+4
Neath [NTH]
1
1
1620
1621
1620
1621½
1624
1625¾
+4
Skewen [SKE]
1
pass
1624½
pass
1629
+4
Llansamlet [LAS]
1
pass
1627
pass
1631
+4
Landore Junction
pass
1630
pass
1634
+3
DM
DSM
Swansea Loop East
pass
1631
pass
1635¼
+4
Swansea [SWA]
Pathed as Class 80x on diesel from here
Service divides here, reverses here
3
1633
1640
1632½
1640½
1637¼
1644½
+4
DSM
USM
Swansea Loop East
pass
1642
pass
1646¾
+4
USM
DSL
Swansea Loop West
pass
1644
pass
1649
+5
DSL
DM
Cockett West
pass
1647½
pass
1653½
+6
Gowerton [GWN]
1
pass
1650
pass
1655¼
+5
Duffryn West
pass
1653
pass
1658¼
+5
Llandeilo Jn
pass
1653½
pass
1658¾
+5
Llanelli [LLE]
1
1656
1657
1656
1657½
1700¾
1702
+4
DD
Pembrey & Burry Port [PBY]
1703
1704
1703
1704½
1707
1709
+4
Kidwelly Junction
pass
1709½
No report
Kidwelly [KWL]
2
pass
1710
pass
1714
+4
Bertwyn Level Crossing
pass
1711½
No report
Ferryside [FYS]
1
pass
1714
pass
1718
+4
Carmarthen Jn [XCI]
pass
1723
pass
1725
+2
DD
Carmarthen [CMN]
2
1725
1725
1727
+2
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