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1L26 1420 Carmarthen to London Paddington
Departing on 8th January 2026

operated by
Great Western Railway
5 coaches
Carmarthen - Swansea
800023
10 coaches
Swansea - London Paddington
800023
800031
GBTT
WTT
RTTRealtime
Route
Location
Pl
Arr
Dep
Arr
Dep
Arr
Dep
Dly
Path
Line
Carmarthen [CMN]
Pathed as Class 80x on diesel at 125mph
1
1420
1420
1419
-1
U1
Carmarthen Jn [XCI]
pass
1422
pass
1421
-1
UU
Ferryside [FYS]
pass
1430½
No report
Bertwyn Level Crossing
pass
1433
No report
Kidwelly [KWL]
1
pass
1434½
No report
Kidwelly Junction
pass
1435
No report
Pembrey & Burry Port [PBY]
1439
1440
1439½
1441
1439
N/R
Llanelli [LLE]
2
1447
1448
1447
1448½
1446¼
1447¾
Llandeilo Jn
pass
1451
pass
1450
Duffryn West
pass
1451½
pass
1450½
Gowerton [GWN]
2
pass
1455
pass
1453¼
-1
Cockett West
1
pass
1456½
pass
1455
-1
Swansea Loop West
pass
1500½
pass
1458¾
-1
UM
USL
Swansea Loop East
pass
1502½
pass
1501
-1
USL
USM
Swansea [SWA]
Pathed as Class 80x on diesel from here
Service reverses here, gains coaches here
3
1505
1522
1505
1522
1503¾
1521¾
USM
USM
Swansea Loop East
pass
1523½
pass
1523½
Landore Junction
pass
1524½
pass
1524¾
USM
UM
Llansamlet [LAS]
2
pass
1527½
pass
1527¾
Skewen [SKE]
2
pass
1529½
pass
1530
Neath [NTH]
2
1533
1534
1532½
1534
1532½
1534¼
Briton Ferry West Jn
pass
1536½
pass
1537
Port Talbot Parkway [PTA]
2
1540
1541
1540
1541½
1540¾
1542
Port Talbot East
pass
1542½
No report
Margam Middle Jn
pass
1543½
pass
1543½
Margam East Jn
pass
1544½
pass
1545¼
Margam Moors Jn.
pass
1545½
pass
1546¾
+1
UM
Pyle [PYL]
2
pass
1547
pass
1548¼
+1
Stormy
pass
1548½
pass
1550½
+2
At platform
Bridgend [BGN]
2
1553
1554
1552½
1554
1556½
1557½
+3
UM
UM
Tremains
pass
1555
pass
1559¾
+4
Pencoed Up Passenger Loop
pass
1557½
No report
Pencoed [PCD]
2
pass
1558
pass
1602
+4
Llanharan [LLR]
1
pass
1600
pass
1604
+3
Llantrisant [LTI]
pass
1601½
No report
Pontyclun [PYC]
1
2
pass
1602
pass
1606
+4
Miskin
pass
1604
pass
1608
+4
St Fagans L C
pass
1608½
pass
1611¾
+3
Leckwith North Jn
pass
1611
pass
1614
+3
UM
C
Cardiff West
pass
1613½
No report
Cardiff Central [CDF]
Pathed as Class 80x on electric from here
2
1614
1621
1614½
1621
1617¼
1620¾
C
B
Cardiff East
pass
1621½
pass
1622
Long Dyke Jn
pass
1623
pass
1623¼
B
UM
Moorland Road Junction
pass
1623½
pass
1624
Pengam Jn
pass
1624
pass
1624½
Rumney River Bridge Jn
pass
1624
pass
1624¾
Marshfield
pass
1627
pass
1627¼
Ebbw Jn
pass
1629½
pass
1630
UM
UM
Gaer Jn
1
pass
1630
pass
1630¼
UM
Newport (South Wales) [NWP]
3
1633
1635
1633
1635
1632¾
1634¼
UM
UM
Maindee West Jn
pass
1636
pass
1635¾
Maindee East Jn
pass
1636½
pass
1636¼
ML
East Usk Jn.
pass
1637½
pass
1637¼
Llanwern West Jn
pass
1638½
pass
1638¼
Magor
pass
1642
pass
1641
Severn Tunnel Junction [STJ]
4
pass
1643½
pass
1643¾
UM
UT
Severn Tunnel West
pass
1644½
pass
1644¾
Severn Tunnel East
pass
1648
pass
1648¼
Pilning [PIL]
1
1
pass
1649
pass
1649¼
Patchway [PWY]
1
pass
1652½
pass
1652
Bristol Parkway [BPW]
3
1654
1655
1654
1655½
1654¼
1655¾
UT
UB
Westerleigh Jn
pass
1659
pass
1700
+1
Chipping Sodbury
pass
1700½
pass
1701½
+1
Badminton
pass
1702½
pass
1703¾
+1
Hullavington
pass
1705½
pass
1706¼
Little Somerford
pass
1708
pass
1709¼
+1
Wootton Bassett Jn
1
pass
1712
pass
1712½
UB
UM
Rushey Platt
pass
1716
pass
1716¼
UM
UR
Swindon [SWI]
1
1718
1719
1717½
1719½
1718¾
1720½
+1
UR
UM
Highworth Jn
pass
1720½
pass
1723
+2
Swindon Stratton Green
pass
1721
pass
1723½
+2
Swindon South Marston Jn
pass
1721½
pass
1723¾
+2
Bourton
pass
1722½
pass
1725¼
+2
Uffington (Oxfordshire)
pass
1726
pass
1728¼
+2
Challow
pass
1727½
pass
1729¼
+1
Wantage Road
1
pass
1729
pass
1731¾
+2
Steventon
pass
1731½
pass
1733
+1
Milton Junction
pass
1732½
pass
1734
+1
Foxhall Jn [XJF]
pass
1733½
pass
1735½
+2
Didcot West End
pass
1734
No report
Didcot Parkway [DID]
2
1735
1736
1734½
1736
1737
1738
+2
Didcot East Jn
pass
1736½
pass
1738¾
+2
Moreton Cutting
pass
1737½
pass
1739¾
+2
Cholsey [CHO]
2
pass
1739½
pass
1741½
+2
Goring & Streatley [GOR]
1
2
pass
1741½
pass
1743½
+2
ML
Pangbourne [PAN]
pass
1743½
pass
1745¼
+1
Tilehurst [TLH]
2
pass
1745½
pass
1746¼
Tilehurst East Jn.
pass
1746
pass
1746½
Reading High Level Jn
pass
1747
pass
1748
+1
ML
Reading Main Line West
pass
1747½
pass
1748½
Reading [RDG]
10
1748
1750
1748½
1750½
1749¼
1751
UM
UM
Reading Main Line East
pass
1751
pass
1751¾
Kennet Bridge Jn
pass
1751½
pass
1752¼
Twyford West
pass
1754
pass
1754½
Twyford [TWY]
2
pass
1754½
pass
1755¼
ML
Ruscombe
pass
1755
pass
1755½
Maidenhead [MAI]
2
pass
1758
pass
1758½
Maidenhead East
pass
1758½
pass
1758½
Taplow [TAP]
2
pass
1759
pass
1759¼
Burnham [BNM]
pass
1759½
pass
1759½
Slough West
pass
1800½
pass
1800¾
Slough [SLO]
3
pass
1801
pass
1801½
Dolphin Jn
pass
1801½
pass
1802
Langley [LNY]
2
pass
1802
pass
1803¼
+1
Iver [IVR]
2
pass
1803
pass
1804¼
+1
West Drayton Jcn
pass
1803½
pass
1804¾
+1
West Drayton [WDT]
2
pass
1803½
pass
1805¼
+1
West Drayton East
pass
1803½
pass
1805¼
+1
Stockley Junction
pass
1804
pass
1805¼
+1
ML
ML
Heathrow Airport Jn
pass
1804½
pass
1805¾
+1
Hayes & Harlington [HAY]
2
pass
1804½
pass
1806¼
+1
Southall West Jn
pass
1805
pass
1806½
+1
Southall [STL]
2
pass
1805½
pass
1806½
+1
ML
Southall East Jn
pass
1805½
pass
1806¾
+1
Hanwell [HAN]
1
pass
1806
pass
1807¾
+1
West Ealing Junction
pass
1806½
pass
1808
+1
West Ealing [WEA]
pass
1806½
pass
1808¼
+1
Ealing Broadway [EAL]
2
pass
1806½
pass
1809
+2
Acton West
1
pass
1807
pass
1809
+2
ML
ML
Acton Main Line [AML]
2
pass
1808
pass
1809¾
+2
Friars Jn
pass
1808½
No report
Old Oak Common West
pass
1809
pass
1810¼
+1
Old Oak Common East
pass
1809½
pass
1810¾
+1
Ladbroke Grove
pass
1810½
pass
1811½
+1
UM
3
Portobello Jn (London)
pass
1811
pass
1812¼
+1
Royal Oak Junction
pass
1812
pass
1813¼
+1
London Paddington [PAD]
8
1813
1813
1815¼
+2
3
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