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1L26 1420 Carmarthen to London Paddington
Departing on 1st January 2026

operated by
Great Western Railway
GBTT
WTT
Route
Location
Pl
Arr
Dep
Arr
Dep
Path
Line
Carmarthen [CMN]
2
1420
1420
Carmarthen Jn [XCI]
pass
1422
Ferryside [FYS]
pass
1430½
Bertwyn Level Crossing
pass
1433
Kidwelly [KWL]
1
pass
1434½
Pembrey & Burry Port [PBY]
1439
1440
1439½
1441
Llanelli [LLE]
UPL
1447
1448
1447
1448½
Llandeilo Jn
pass
1451
Duffryn West
pass
1451½
Cockett West
1
pass
1456½
Swansea Loop West
pass
1500½
Swansea Loop East
pass
1502½
Swansea [SWA]
Pathed as Class 80x on diesel from here
Service reverses here, gains coaches here
3
1505
1522
1505
1522
Swansea Loop East
pass
1523½
Neath [NTH]
1533
1534
1532½
1534
Briton Ferry West Jn
pass
1536½
Port Talbot Parkway [PTA]
2
1540
1541
1540
1541½
Margam East Jn
pass
1544½
Margam Moors Jn.
pass
1545½
Stormy
pass
1548½
Bridgend [BGN]
2
1553
1554
1552½
1554
Pencoed [PCD]
pass
1558
Pontyclun [PYC]
1
pass
1602
Leckwith North Jn
pass
1611
C
Cardiff Central [CDF]
Pathed as Class 80x on electric from here
2
1614
1621
1614½
1621
B
Long Dyke Jn
pass
1623
ML
Marshfield
pass
1627
Ebbw Jn
pass
1629½
Gaer Jn
1
pass
1630
UM
Newport (South Wales) [NWP]
3
1633
1635
1633
1635
ML
Maindee West Jn
pass
1636
Maindee East Jn
pass
1636½
ML
Llanwern West Jn
pass
1638½
Severn Tunnel Junction [STJ]
4
pass
1643½
Severn Tunnel West
pass
1644½
Severn Tunnel East
pass
1648
Pilning [PIL]
1
1
pass
1649
Patchway [PWY]
1
pass
1652½
Bristol Parkway [BPW]
3
1654
1655
1654
1655½
Westerleigh Jn
pass
1659
Hullavington
pass
1705½
Wootton Bassett Jn
1
pass
1712
Swindon [SWI]
1
1718
1719
1717½
1719½
Uffington (Oxfordshire)
pass
1726
Challow
pass
1727½
Wantage Road
1
pass
1729
Didcot Parkway [DID]
2
pass
1733½
ML
Goring & Streatley [GOR]
1
pass
1737½
ML
Reading High Level Jn
pass
1743
ML
Reading [RDG]
11
1744
1747
1744½
1747
UML
Kennet Bridge Jn
pass
1748
ML
Twyford West
pass
1751
RL
Twyford [TWY]
4
pass
1752
RL
Maidenhead [MAI]
3½
4
pass
1755½
RL
Slough [SLO]
1 4½
5
pass
1803
RL
Stockley Junction
pass
1813½
RL
ML
Heathrow Airport Jn
pass
1814½
ML
Southall [STL]
2
pass
1816½
ML
Acton West
1
pass
1818
ML
ML
Ladbroke Grove
pass
1821½
ML
3
Portobello Jn (London)
pass
1822
3
Royal Oak Junction
pass
1823
3
London Paddington [PAD]
8
1824
1824
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