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1B17 1348 London Paddington to Carmarthen
Departing on 8th January 2026

operated by
Great Western Railway
5 coaches
London Paddington - Swansea
800018
5 coaches
Swansea - Carmarthen
800018
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
1350¼
+2
3
Royal Oak Junction
pass
1349
pass
1351¼
+2
3
2
Portobello Jn (London)
pass
1350½
pass
1352½
+2
Ladbroke Grove
pass
1351
pass
1353¼
+2
2
DM
Old Oak Common East
pass
1351½
pass
1354¼
+2
Old Oak Common West
pass
1352
pass
1354¾
+2
Friars Jn
pass
1352½
pass
1354¾
+2
Acton Main Line [AML]
pass
1353
pass
1355½
+2
Acton West
pass
1353½
pass
1356
+2
ML
ML
Ealing Broadway [EAL]
1
pass
1354
pass
1356¼
+2
West Ealing [WEA]
pass
1354½
pass
1356¾
+2
West Ealing Junction
pass
1354½
pass
1356¾
+2
Hanwell [HAN]
pass
1354½
pass
1357¼
+2
Southall East Jn
pass
1355½
pass
1359
+3
Southall [STL]
1
pass
1355½
pass
1359¾
+4
Southall West Jn
pass
1356
pass
1400
+4
Hayes & Harlington [HAY]
1
pass
1356½
pass
1401
+4
Heathrow Airport Jn
pass
1356½
pass
1401
+4
ML
Stockley Junction
pass
1357
pass
1401½
+4
West Drayton East
pass
1357½
pass
1402
+4
West Drayton [WDT]
1
pass
1357½
pass
1402½
+5
West Drayton Jcn
pass
1357½
pass
1402½
+5
Iver [IVR]
1
pass
1358
pass
1403
+4
Langley [LNY]
1
pass
1359
pass
1404¼
+5
Dolphin Jn
pass
1359½
pass
1404¾
+5
Slough [SLO]
2
pass
1400
pass
1405½
+5
ML
Slough West
pass
1400½
pass
1405¾
+5
Burnham [BNM]
pass
1401½
pass
1406¾
+5
Taplow [TAP]
1
pass
1402
pass
1407½
+5
Maidenhead East
pass
1402½
pass
1408½
+5
Maidenhead [MAI]
1
pass
1403
pass
1408¾
+5
Ruscombe
pass
1406
pass
1411
+5
Twyford [TWY]
1
1
pass
1406½
pass
1411¾
+5
ML
Twyford West
pass
1407
pass
1412¼
+5
Kennet Bridge Jn
pass
1409½
pass
1414½
+5
Reading Main Line East
pass
1410
pass
1415¼
+5
Reading [RDG]
9
1411
1413
1411
1413
1416¼
1417¾
+4
DM
DM
Reading Main Line West
pass
1413½
pass
1418½
+4
Reading High Level Jn
pass
1414
pass
1419¾
+5
ML
Tilehurst East Jn.
pass
1415
pass
1421½
+6
Tilehurst [TLH]
1
pass
1415
pass
1421¾
+6
Pangbourne [PAN]
pass
1417
pass
1423½
+6
Goring & Streatley [GOR]
1
1
pass
1419
pass
1425½
+6
ML
Cholsey [CHO]
1
pass
1421
pass
1427¼
+6
Moreton Cutting
pass
1423
pass
1429½
+6
Didcot East Jn
pass
1424
pass
1430¼
+6
Didcot Parkway [DID]
1
pass
1424
pass
1430¾
+6
Didcot West End
pass
1424
No report
Foxhall Jn [XJF]
pass
1424½
pass
1431
+6
Milton Junction
pass
1425
pass
1431¼
+6
Steventon
pass
1426
pass
1432
+6
Wantage Road
pass
1428
pass
1435¾
+7
Challow
pass
1430
pass
1438½
+8
Uffington (Oxfordshire)
1
pass
1431
pass
1439¾
+8
Bourton
pass
1434½
pass
1442½
+8
Swindon South Marston Jn
pass
1436
pass
1443¾
+7
Swindon Stratton Green
pass
1436½
pass
1444½
+8
Highworth Jn
pass
1437
pass
1444¾
+7
Swindon East Loop
pass
1437
pass
1446
+8
Swindon [SWI]
4
1437
1440
1438
1440
1447
1448¼
+8
DM
DM
Rushey Platt
pass
1441½
pass
1449¾
+8
Wootton Bassett Jn
pass
1444½
pass
1452¾
+8
DM
DB
Little Somerford
pass
1448½
pass
1456¾
+8
Hullavington
1
pass
1451
pass
1459¼
+8
Badminton
pass
1454½
pass
1501¾
+7
Chipping Sodbury
pass
1457
pass
1504¾
+7
Westerleigh Jn
pass
1458½
pass
1506¼
+7
Bristol Parkway [BPW]
2
1502
1503
1501½
1503½
1511¾
1513½
+10
DB
DT
Patchway [PWY]
2
pass
1505
pass
1515
+10
Pilning [PIL]
2
pass
1507½
pass
1517¾
+10
Severn Tunnel East
pass
1508½
pass
1518¾
+10
Severn Tunnel West
pass
1512
pass
1522¼
+10
Severn Tunnel Junction [STJ]
3
pass
1513
pass
1523½
+10
DT
DM
Magor
pass
1514½
pass
1525
+10
Llanwern West Jn
½
pass
1518
pass
1528¾
+10
East Usk Jn.
pass
1519
pass
1529¼
+10
Maindee East Jn
pass
1520
pass
1531½
+11
ML
Maindee West Jn
pass
1520½
pass
1535
+14
Newport (South Wales) [NWP]
2
1522
1523
1521½
1523½
1537½
1539
+15
DM
DM
Gaer Jn
pass
1525
pass
1540½
+15
DM
Ebbw Jn
pass
1526
pass
1541¼
+15
DM
DM
Marshfield
pass
1528½
pass
1544
+15
Rumney River Bridge Jn
pass
1531½
pass
1546½
+15
Pengam Jn
pass
1531½
pass
1547
+15
Moorland Road Junction
1
pass
1532
pass
1551¼
+19
RL
Long Dyke Jn
pass
1533½
pass
1600½
+27
E
Cardiff East
pass
1535
pass
1601¾
+26
DM
E
Cardiff Central [CDF]
Pathed as Class 80x on diesel from here
3
1536
1538
1536
1538
1603¼
1605¾
+27
E
D
Cardiff West
pass
1539
No report
Leckwith North Jn
pass
1541
pass
1608½
+27
D
DM
St Fagans L C
pass
1543
pass
1611
+27
Miskin
pass
1547
pass
1615
+27
Pontyclun [PYC]
1
pass
1549
pass
1616¾
+27
Llantrisant [LTI]
pass
1549½
No report
Llanharan [LLR]
2
pass
1551
pass
1619
+28
Pencoed [PCD]
1
pass
1553
pass
1620¾
+27
Tremains
pass
1555½
pass
1622¾
+27
Bridgend [BGN]
1
1557
1558
1556½
1558
1624½
1626¼
+28
DM
DM
Stormy
pass
1602½
pass
1631¾
+29
Pyle [PYL]
1
pass
1603½
pass
1633
+29
Margam Moors Jn.
pass
1605
pass
1634¼
+29
DM
Margam East Jn
pass
1606
pass
1635½
+29
Margam Middle Jn
pass
1606½
pass
1635¾
+29
Port Talbot East
pass
1607½
No report
Port Talbot Parkway [PTA]
1
1609
1610
1608½
1610
1638
1639
+29
Baglan [BAJ]
1
pass
1612
pass
1642
+29
Briton Ferry East
pass
1613
pass
1642¼
+29
Briton Ferry [BNF]
1
pass
1614
pass
1643½
+29
Court Sart Jn
pass
1614
pass
1643½
+29
Neath [NTH]
1
1
1615
1616
1616
1617½
1645½
1647
+29
Skewen [SKE]
1
pass
1620½
pass
1650¼
+29
Llansamlet [LAS]
1
pass
1623
pass
1652¼
+29
Landore Junction
pass
1626
pass
1655¼
+29
DM
DSM
Swansea Loop East
pass
1627
pass
1656½
+29
Swansea [SWA]
Pathed as Class 80x on diesel from here
Service reverses here
2
1629
1637
1628½
1637
1658¾
1705½
+28
DSM
USM
Swansea Loop East
pass
1638½
pass
1707¼
+28
USM
DSL
Swansea Loop West
pass
1640½
pass
1709
+28
DSL
DM
Cockett West
pass
1644
pass
1713¼
+29
Gowerton [GWN]
1
pass
1646½
pass
1714¾
+28
Duffryn West
pass
1649½
pass
1717¾
+28
Llandeilo Jn
pass
1650
pass
1718
+28
Llanelli [LLE]
1
1653
1654
1652½
1654
1720¼
1721
+27
DD
Pembrey & Burry Port [PBY]
1700
1701
1659½
1701
1727
1728
+27
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
pass
1737
+26
Carmarthen Jn [XCI]
pass
1719½
pass
1744
+24
DD
Carmarthen [CMN]
1
1721
1721
1746
+25
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