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1L26 1420 Carmarthen to London Paddington
Departing on 15th December 2025

operated by
Great Western Railway
5 coaches
Carmarthen - Swansea
800004
5 coaches
Swansea - London Paddington
800004
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
1419
-1
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
1445¼
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
1500¾
-1
USL
USM
Swansea [SWA]
Pathed as Class 80x on diesel from here
Service reverses here, gains coaches here
3
1505
1522
1505
1522
1503
1522¼
USM
USM
Swansea Loop East
pass
1523½
pass
1524
Landore Junction
pass
1524½
pass
1525¼
+1
USM
UM
Llansamlet [LAS]
2
pass
1527½
pass
1528½
+1
Skewen [SKE]
2
pass
1529½
pass
1530¾
+1
Neath [NTH]
2
1533
1534
1532½
1534
1533¼
1535½
+1
Briton Ferry West Jn
pass
1536½
pass
1538¼
+1
Port Talbot Parkway [PTA]
2
1540
1541
1540
1541½
1542
1542¾
+1
Port Talbot East
pass
1542½
No report
Margam Middle Jn
pass
1543½
pass
1544¼
Margam East Jn
pass
1544½
pass
1545¾
+1
Margam Moors Jn.
pass
1545½
pass
1547¼
+1
UM
Pyle [PYL]
2
pass
1547
pass
1548¾
+1
Stormy
pass
1548½
pass
1551
+2
At platform
Bridgend [BGN]
2
1553
1554
1552½
1554
1558¾
1607
+13
UM
UM
Tremains
pass
1555
pass
1609¼
+14
Pencoed Up Passenger Loop
pass
1557½
No report
Pencoed [PCD]
2
pass
1558
pass
1611½
+13
Llanharan [LLR]
1
pass
1600
pass
1621
+20
Llantrisant [LTI]
pass
1601½
No report
Pontyclun [PYC]
1
2
pass
1602
pass
1624½
+22
Miskin
pass
1604
pass
1626½
+22
St Fagans L C
pass
1608½
pass
1630½
+22
Leckwith North Jn
pass
1611
pass
1633
+22
UM
C
Cardiff West
pass
1613½
No report
Cardiff Central [CDF]
Pathed as Class 80x on electric from here
2
1614
1621
1614½
1621
1637
1640½
+19
C
B
Cardiff East
pass
1621½
pass
1641¾
+20
Long Dyke Jn
pass
1623
pass
1642¾
+19
B
UM
Moorland Road Junction
pass
1623½
pass
1643½
+20
Pengam Jn
pass
1624
pass
1643¾
+19
Rumney River Bridge Jn
pass
1624
pass
1644
+19
Marshfield
pass
1627
pass
1646¾
+19
Ebbw Jn
pass
1629½
pass
1649½
+20
UM
UM
Gaer Jn
1
pass
1630
pass
1650
+20
UM
DM
Newport (South Wales) [NWP]
3
1633
1635
1633
1635
1652½
1654¼
+19
DM
UM
Maindee West Jn
pass
1636
pass
1655¾
+19
Maindee East Jn
pass
1636½
pass
1656¼
+19
ML
East Usk Jn.
pass
1637½
pass
1657
+19
Llanwern West Jn
pass
1638½
pass
1658
+19
Magor
pass
1642
pass
1700¾
+19
Severn Tunnel Junction [STJ]
4
pass
1643½
pass
1703½
+20
UM
UT
Severn Tunnel West
pass
1644½
pass
1704¼
+19
Severn Tunnel East
pass
1648
pass
1707¾
+19
Pilning [PIL]
1
1
pass
1649
pass
1708¾
+19
Patchway [PWY]
1
pass
1652½
pass
1711¾
+19
Bristol Parkway [BPW]
3
1654
1655
1654
1655½
1713½
1715
+19
UT
UB
Westerleigh Jn
pass
1659
pass
1719¼
+20
Chipping Sodbury
pass
1700½
pass
1720¾
+20
Badminton
pass
1702½
pass
1723
+20
Hullavington
pass
1705½
pass
1725½
+20
Little Somerford
pass
1708
pass
1728½
+20
Wootton Bassett Jn
1
pass
1712
pass
1731¾
+19
UB
UM
Swindon [SWI]
1
1718
1719
1717½
1719½
1740¼
1742½
+23
UR
UM
Highworth Jn
pass
1720½
pass
1744½
+24
Swindon Stratton Green
pass
1721
pass
1745
+24
Swindon South Marston Jn
pass
1721½
pass
1745¼
+24
Bourton
pass
1722½
pass
1746¾
+24
Uffington (Oxfordshire)
pass
1726
pass
1749¾
+23
Challow
pass
1727½
pass
1750¾
+23
Wantage Road
1
pass
1729
pass
1753¼
+24
Steventon
pass
1731½
pass
1754¼
+22
Milton Junction
pass
1732½
pass
1755¼
+22
Foxhall Jn [XJF]
pass
1733½
pass
1757
+23
Didcot West End
pass
1734
No report
Didcot Parkway [DID]
2
1735
1736
1734½
1736
1758½
1800½
+24
Didcot East Jn
pass
1736½
pass
1801¼
+24
Moreton Cutting
pass
1737½
pass
1802
+24
Cholsey [CHO]
2
pass
1739½
pass
1803¾
+24
Goring & Streatley [GOR]
1
2
pass
1741½
pass
1805¾
+24
ML
Pangbourne [PAN]
pass
1743½
pass
1807½
+23
Tilehurst [TLH]
2
pass
1745½
pass
1808½
+22
Tilehurst East Jn.
pass
1746
pass
1808¾
+23
Reading High Level Jn
pass
1747
pass
1810¼
+23
ML
Reading Main Line West
pass
1747½
pass
1810¾
+23
Reading [RDG]
10
1748
1750
1748½
1750½
1811¾
1814½
+24
UM
UM
Reading Main Line East
pass
1751
pass
1815¼
+24
Kennet Bridge Jn
pass
1751½
pass
1815¾
+24
Twyford West
pass
1754
pass
1817¾
+23
Twyford [TWY]
2
pass
1754½
pass
1818½
+24
ML
Ruscombe
pass
1755
pass
1818¾
+23
Maidenhead [MAI]
2
pass
1758
pass
1822
+24
Maidenhead East
pass
1758½
pass
1822
+23
Taplow [TAP]
2
pass
1759
pass
1822¾
+23
Burnham [BNM]
pass
1759½
pass
1823
+23
Slough West
pass
1800½
pass
1824
+23
Slough [SLO]
3
pass
1801
pass
1824¾
+23
Dolphin Jn
pass
1801½
pass
1825
+23
Langley [LNY]
2
pass
1802
pass
1825¾
+23
Iver [IVR]
2
pass
1803
pass
1826½
+23
West Drayton Jcn
pass
1803½
pass
1826¾
+23
West Drayton [WDT]
2
pass
1803½
pass
1827¼
+23
West Drayton East
pass
1803½
pass
1827¼
+23
Stockley Junction
pass
1804
pass
1827¼
+23
ML
ML
Heathrow Airport Jn
pass
1804½
pass
1827¾
+23
Hayes & Harlington [HAY]
2
pass
1804½
pass
1828
+23
Southall West Jn
pass
1805
pass
1828½
+23
Southall [STL]
2
pass
1805½
pass
1828½
+23
ML
Southall East Jn
pass
1805½
pass
1828¾
+23
Hanwell [HAN]
1
pass
1806
pass
1830
+23
West Ealing Junction
pass
1806½
pass
1830¾
+24
West Ealing [WEA]
pass
1806½
pass
1831
+24
Ealing Broadway [EAL]
2
pass
1806½
pass
1833
+26
Acton West
1
pass
1807
pass
1833¾
+26
ML
ML
Acton Main Line [AML]
2
pass
1808
pass
1835¼
+27
Friars Jn
pass
1808½
No report
Old Oak Common West
pass
1809
pass
1836¾
+27
Old Oak Common East
pass
1809½
pass
1837½
+27
Ladbroke Grove
pass
1810½
pass
1838½
+28
UM
3
Portobello Jn (London)
pass
1811
pass
1839¼
+28
Royal Oak Junction
pass
1812
pass
1840½
+28
London Paddington [PAD]
8
1813
1813
1845¼
+32
3
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