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1L26 1420 Carmarthen to London Paddington
Departing on 7th January 2026

operated by
Great Western Railway
5 coaches
Carmarthen - Swansea
802012
10 coaches
Swansea - London Paddington
800023
800033
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
2
1420
1420
1420
U2
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
No report
Llanelli [LLE]
2
1447
1448
1447
1448½
1445
1447¾
Llandeilo Jn
pass
1451
pass
1450
Duffryn West
pass
1451½
pass
1450½
Gowerton [GWN]
2
pass
1455
pass
1453
-1
Cockett West
1
pass
1456½
pass
1454¾
-1
Swansea Loop West
pass
1500½
pass
1458
-2
UM
USL
Swansea Loop East
pass
1502½
pass
1459¾
-2
USL
USM
Swansea [SWA]
Pathed as Class 80x on diesel from here
Service reverses here, gains coaches here
3
1505
1522
1505
1522
1502
1521¼
USM
USM
Swansea Loop East
pass
1523½
pass
1523
Landore Junction
pass
1524½
pass
1524¼
USM
UM
Llansamlet [LAS]
2
pass
1527½
pass
1527¼
Skewen [SKE]
2
pass
1529½
pass
1529¼
Neath [NTH]
2
1533
1534
1532½
1534
1531¾
1533¾
Briton Ferry West Jn
pass
1536½
pass
1536¼
Port Talbot Parkway [PTA]
2
1540
1541
1540
1541½
1540
1541
Port Talbot East
pass
1542½
No report
Margam Middle Jn
pass
1543½
pass
1542½
-1
Margam East Jn
pass
1544½
pass
1543¾
Margam Moors Jn.
pass
1545½
pass
1545¼
UM
Pyle [PYL]
2
pass
1547
pass
1546½
Stormy
pass
1548½
pass
1548¼
At platform
Bridgend [BGN]
2
1553
1554
1552½
1554
1552
1553¾
UM
UM
Tremains
pass
1555
pass
1555¾
Pencoed Up Passenger Loop
pass
1557½
No report
Pencoed [PCD]
2
pass
1558
pass
1558
Llanharan [LLR]
1
pass
1600
pass
1559¾
Llantrisant [LTI]
pass
1601½
No report
Pontyclun [PYC]
1
2
pass
1602
pass
1602
Miskin
pass
1604
pass
1604
St Fagans L C
pass
1608½
pass
1608
Leckwith North Jn
pass
1611
pass
1610¼
UM
C
Cardiff West
pass
1613½
No report
Cardiff Central [CDF]
Pathed as Class 80x on electric from here
2
1614
1621
1614½
1621
1615¼
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
1624¼
Rumney River Bridge Jn
pass
1624
pass
1624½
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
1635
UM
UM
Maindee West Jn
pass
1636
pass
1636½
Maindee East Jn
pass
1636½
pass
1637
ML
East Usk Jn.
pass
1637½
pass
1637¾
Llanwern West Jn
pass
1638½
pass
1638¾
Magor
pass
1642
pass
1641½
Severn Tunnel Junction [STJ]
4
pass
1643½
pass
1644¼
UM
UT
Severn Tunnel West
pass
1644½
pass
1645
Severn Tunnel East
pass
1648
pass
1648¾
Pilning [PIL]
1
1
pass
1649
pass
1649¾
Patchway [PWY]
1
pass
1652½
pass
1652¾
Bristol Parkway [BPW]
3
1654
1655
1654
1655½
1654½
1655¾
UT
UB
Westerleigh Jn
pass
1659
pass
1701¼
+2
Chipping Sodbury
pass
1700½
pass
1703¼
+3
Badminton
pass
1702½
pass
1705½
+3
Hullavington
pass
1705½
pass
1708
+2
Little Somerford
pass
1708
pass
1711
+3
Wootton Bassett Jn
1
pass
1712
pass
1714¼
+2
UB
UM
Rushey Platt
pass
1716
pass
1717¾
+1
UM
UR
Swindon [SWI]
1
1718
1719
1717½
1719½
1720
1721¾
+2
UR
UM
Highworth Jn
pass
1720½
pass
1724
+3
Swindon Stratton Green
pass
1721
pass
1724½
+3
Swindon South Marston Jn
pass
1721½
pass
1724¾
+3
Bourton
pass
1722½
pass
1726
+3
Uffington (Oxfordshire)
pass
1726
pass
1729
+3
Challow
pass
1727½
pass
1730
+2
Wantage Road
1
pass
1729
pass
1732½
+3
Steventon
pass
1731½
pass
1733¾
+2
Milton Junction
pass
1732½
pass
1734¾
+2
Foxhall Jn [XJF]
pass
1733½
pass
1736
+2
Didcot West End
pass
1734
No report
Didcot Parkway [DID]
2
1735
1736
1734½
1736
1737½
1739¼
+3
Didcot East Jn
pass
1736½
pass
1740
+3
Moreton Cutting
pass
1737½
pass
1740¾
+3
Cholsey [CHO]
2
pass
1739½
pass
1742½
+3
Goring & Streatley [GOR]
1
2
pass
1741½
pass
1744½
+3
ML
Pangbourne [PAN]
pass
1743½
pass
1746¼
+2
Tilehurst [TLH]
2
pass
1745½
pass
1747¼
+1
Tilehurst East Jn.
pass
1746
pass
1747½
+1
Reading High Level Jn
pass
1747
pass
1748¾
+1
ML
Reading Main Line West
pass
1747½
pass
1749¼
+1
Reading [RDG]
10
1748
1750
1748½
1750½
1750
1752¾
+2
UM
UM
Reading Main Line East
pass
1751
pass
1753½
+2
Kennet Bridge Jn
pass
1751½
pass
1754
+2
Twyford West
pass
1754
pass
1756
+2
Twyford [TWY]
2
pass
1754½
pass
1756¾
+2
ML
Ruscombe
pass
1755
pass
1757
+1
Maidenhead [MAI]
2
pass
1758
pass
1800¼
+2
Maidenhead East
pass
1758½
pass
1800¼
+2
Taplow [TAP]
2
pass
1759
pass
1800¾
+2
Burnham [BNM]
pass
1759½
pass
1801
+1
Slough West
pass
1800½
pass
1802¼
+1
Slough [SLO]
3
pass
1801
pass
1803
+2
Dolphin Jn
pass
1801½
pass
1803¼
+1
Langley [LNY]
2
pass
1802
pass
1804¼
+2
Iver [IVR]
2
pass
1803
pass
1805¼
+2
West Drayton Jcn
pass
1803½
pass
1805¾
+2
West Drayton [WDT]
2
pass
1803½
pass
1806
+2
West Drayton East
pass
1803½
pass
1806
+2
Stockley Junction
pass
1804
pass
1806½
+2
ML
ML
Heathrow Airport Jn
pass
1804½
pass
1808½
+4
Hayes & Harlington [HAY]
2
pass
1804½
pass
1809
+4
Southall West Jn
pass
1805
pass
1810
+4
Southall [STL]
2
pass
1805½
pass
1810
+4
ML
Southall East Jn
pass
1805½
pass
1810½
+4
Hanwell [HAN]
1
pass
1806
pass
1811½
+5
West Ealing Junction
pass
1806½
pass
1811¾
+5
West Ealing [WEA]
pass
1806½
pass
1812
+5
Ealing Broadway [EAL]
2
pass
1806½
pass
1812½
+5
Acton West
1
pass
1807
pass
1812¾
+5
ML
ML
Acton Main Line [AML]
2
pass
1808
pass
1813¼
+5
Friars Jn
pass
1808½
No report
Old Oak Common West
pass
1809
pass
1814
+5
Old Oak Common East
pass
1809½
pass
1814½
+5
Ladbroke Grove
pass
1810½
pass
1815½
+5
UM
3
Portobello Jn (London)
pass
1811
pass
1816
+5
Royal Oak Junction
pass
1812
pass
1817
+5
London Paddington [PAD]
8
1813
1813
1819
+6
3
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