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1L26 1523 Swansea to London Paddington
Departing on 13th December 2025

operated by
Great Western Railway
10 coaches
800026
800016
GBTT
WTT
RTTRealtime
Route
Location
Pl
Arr
Dep
Arr
Dep
Arr
Dep
Dly
Path
Line
Swansea [SWA]
Pathed as Class 80x on diesel at 125mph
3
1523
1523
1522¼
USM
Swansea Loop East
pass
1524½
pass
1524¼
Landore Junction
pass
1525½
pass
1525½
USM
UM
Llansamlet [LAS]
2
pass
1528½
pass
1528¼
Skewen [SKE]
2
pass
1530½
pass
1530½
Neath [NTH]
2
1534
1535
1533½
1535
1532¾
1534¾
Briton Ferry West Jn
pass
1537½
pass
1537½
Port Talbot Parkway [PTA]
2
1541
1543
1541
1543
1541¼
1542½
Port Talbot East
pass
1544
No report
Margam Middle Jn
pass
1545
pass
1544
-1
Margam East Jn
pass
1546
pass
1545½
Margam Moors Jn.
pass
1547
pass
1547
UM
Pyle [PYL]
2
pass
1548½
pass
1548½
Stormy
pass
1550
pass
1550½
At platform
Bridgend [BGN]
2
1554
1556
1554
1556
1554¼
1555¾
UM
UM
Tremains
pass
1557
pass
1558
Pencoed Up Passenger Loop
pass
1559½
No report
Pencoed [PCD]
2
pass
1600
pass
1600¼
Llanharan [LLR]
1
pass
1602
pass
1603½
+1
Llantrisant [LTI]
pass
1603½
No report
Pontyclun [PYC]
1
2
pass
1604
pass
1608¾
+4
Miskin
pass
1606
pass
1611¾
+5
St Fagans L C
pass
1610½
pass
1615¾
+5
Leckwith North Jn
pass
1613
pass
1618
+5
UM
C
Cardiff West
pass
1615½
No report
Cardiff Central [CDF]
Pathed as Class 80x on electric from here
2
1617
1623
1616½
1623
1621¾
1624¾
+1
C
B
Cardiff East
pass
1623½
pass
1626
+2
Long Dyke Jn
pass
1625
pass
1627¼
+2
B
UM
Moorland Road Junction
pass
1625½
pass
1628
+2
Pengam Jn
pass
1626
pass
1628¼
+2
Rumney River Bridge Jn
pass
1626
pass
1628¾
+2
Marshfield
pass
1629
pass
1631¼
+2
Ebbw Jn
pass
1631½
pass
1635¼
+3
UM
UM
Gaer Jn
pass
1632½
pass
1636
+3
UM
Newport (South Wales) [NWP]
3
1634
1636
1634
1636
1638¼
1641¾
+5
UM
UM
Maindee West Jn
pass
1637
pass
1643¼
+6
Maindee East Jn
pass
1637½
pass
1643¾
+6
East Usk Jn.
pass
1638
pass
1644¾
+6
Llanwern West Jn
pass
1639
pass
1645¾
+6
Magor
pass
1643
pass
1648¾
+6
Severn Tunnel Junction [STJ]
4
pass
1644½
pass
1651½
+7
UM
UT
Severn Tunnel West
pass
1645½
pass
1652¼
+6
Severn Tunnel East
pass
1649
pass
1655¾
+6
Pilning [PIL]
1
1
pass
1650
pass
1656¾
+6
Patchway [PWY]
1
pass
1653½
pass
1659½
+6
Bristol Parkway [BPW]
3
1655
1658
1655
1658½
1701½
1704
+5
UT
UB
Westerleigh Jn
pass
1702
pass
1708
+6
Chipping Sodbury
pass
1703½
pass
1709½
+6
Badminton
pass
1705½
pass
1711¾
+6
Hullavington
pass
1708½
pass
1714¼
+5
Little Somerford
pass
1711
pass
1717¼
+6
Wootton Bassett Jn
1 ½
pass
1715
pass
1720½
+5
UB
UM
Swindon [SWI]
1
1721
1723
1721
1723
1726¼
1727¾
+4
UR
UM
Highworth Jn
pass
1724
pass
1729¾
+6
Swindon Stratton Green
pass
1724½
pass
1730¼
+6
Swindon South Marston Jn
pass
1725
pass
1730¾
+5
Bourton
pass
1726
pass
1732
+5
Uffington (Oxfordshire)
pass
1729½
pass
1735
+5
Challow
pass
1731
pass
1736
+5
Wantage Road
1
pass
1732½
pass
1738½
+6
Steventon
pass
1735
pass
1739¾
+4
Milton Junction
pass
1735½
pass
1740½
+4
Foxhall Jn [XJF]
pass
1736½
pass
1741½
+4
Didcot West End
pass
1737
No report
Didcot Parkway [DID]
2
pass
1737
pass
1742¼
+5
Didcot East Jn
pass
1737
pass
1742¼
+5
Moreton Cutting
pass
1738
pass
1742½
+4
Cholsey [CHO]
2
pass
1739
pass
1744
+4
Goring & Streatley [GOR]
1
2
pass
1741
pass
1745¾
+4
ML
Pangbourne [PAN]
pass
1743
pass
1747½
+4
Tilehurst [TLH]
2
pass
1745
pass
1748¾
+3
Tilehurst East Jn.
pass
1745½
pass
1749
+3
Reading High Level Jn
pass
1746½
pass
1750¼
+3
ML
Reading Main Line West
pass
1747
pass
1751
+4
Reading [RDG]
11
1748
1750
1748
1750
1752
1754
+4
UM
UM
Reading Main Line East
pass
1750½
pass
1754½
+4
Kennet Bridge Jn
pass
1751
pass
1755¼
+4
Twyford West
pass
1753½
pass
1757¼
+4
Twyford [TWY]
2
pass
1754
pass
1758¼
+4
ML
Ruscombe
pass
1754½
pass
1758½
+3
Maidenhead [MAI]
2
pass
1757½
pass
1801½
+4
Maidenhead East
pass
1758
pass
1801½
+3
Taplow [TAP]
2
pass
1758½
pass
1802¼
+3
Burnham [BNM]
pass
1759
pass
1802½
+3
Slough West
pass
1800
pass
1803¾
+3
Slough [SLO]
3
pass
1800½
pass
1804¼
+3
Dolphin Jn
pass
1801
pass
1804½
+3
Langley [LNY]
2
pass
1801½
pass
1805¼
+3
Iver [IVR]
2
pass
1802½
pass
1806
+3
West Drayton Jcn
pass
1803
pass
1806¼
+3
West Drayton [WDT]
2
pass
1803
pass
1806¾
+3
West Drayton East
pass
1803
pass
1806¾
+3
Stockley Junction
pass
1803½
pass
1807
+3
ML
ML
Heathrow Airport Jn
pass
1804
pass
1807¾
+3
Hayes & Harlington [HAY]
2
pass
1804
pass
1808¼
+4
Southall West Jn
pass
1804½
pass
1808¾
+4
Southall [STL]
2
pass
1805
pass
1808¾
+3
ML
Southall East Jn
pass
1805
pass
1809
+4
Hanwell [HAN]
1
pass
1805½
pass
1810
+4
West Ealing Junction
pass
1806
pass
1810½
+4
West Ealing [WEA]
pass
1806
pass
1810¾
+4
Ealing Broadway [EAL]
2
pass
1806
pass
1811¼
+5
Acton West
1
pass
1806½
pass
1811¼
+4
ML
ML
Acton Main Line [AML]
2
pass
1807½
pass
1812
+4
Friars Jn
pass
1808
No report
Old Oak Common West
pass
1808½
pass
1812¾
+4
Old Oak Common East
pass
1809
pass
1813½
+4
Ladbroke Grove
pass
1810
pass
1815
+5
UM
5
Portobello Jn (London)
pass
1810½
pass
1816
+5
Royal Oak Junction
pass
1811½
pass
1817½
+6
5
4
London Paddington [PAD]
9
1813
1813
1819¾
+6
4
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