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1L26 1523 Swansea to London Paddington
Departing on 29th November 2025

operated by
Great Western Railway
10 coaches
800011
800021
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
1522½
USM
Swansea Loop East
pass
1524½
pass
1524½
Landore Junction
pass
1525½
pass
1525¾
USM
UM
Llansamlet [LAS]
2
pass
1528½
pass
1528¾
Skewen [SKE]
2
pass
1530½
pass
1531
Neath [NTH]
2
1534
1535
1533½
1535
1533½
1535
Briton Ferry West Jn
pass
1537½
pass
1537¾
Port Talbot Parkway [PTA]
2
1541
1543
1541
1543
1541½
1542½
Port Talbot East
pass
1544
No report
Margam Middle Jn
pass
1545
pass
1544
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
1602
Llantrisant [LTI]
pass
1603½
No report
Pontyclun [PYC]
1
2
pass
1604
pass
1604¼
Miskin
pass
1606
pass
1606¼
St Fagans L C
pass
1610½
pass
1610
Leckwith North Jn
pass
1613
pass
1612¼
UM
C
Cardiff West
pass
1615½
No report
Cardiff Central [CDF]
Pathed as Class 80x on electric from here
2
1617
1623
1616½
1623
1615½
1623
C
B
Cardiff East
pass
1623½
pass
1624
Long Dyke Jn
pass
1625
pass
1625¼
B
UM
Moorland Road Junction
pass
1625½
pass
1626¼
Pengam Jn
pass
1626
pass
1626½
Rumney River Bridge Jn
pass
1626
pass
1626¾
Marshfield
pass
1629
pass
1629½
Ebbw Jn
pass
1631½
pass
1632
UM
UM
Gaer Jn
pass
1632½
pass
1632½
UM
Newport (South Wales) [NWP]
3
1634
1636
1634
1636
1635
1636¼
UM
UM
Maindee West Jn
pass
1637
pass
1637¾
Maindee East Jn
pass
1637½
pass
1638¼
+1
East Usk Jn.
pass
1638
pass
1639½
+1
Llanwern West Jn
pass
1639
pass
1640½
+1
Magor
pass
1643
pass
1643¼
Severn Tunnel Junction [STJ]
4
pass
1644½
pass
1646
+1
UM
UT
Severn Tunnel West
pass
1645½
pass
1647
+1
Severn Tunnel East
pass
1649
pass
1650½
+1
Pilning [PIL]
1
1
pass
1650
pass
1651½
+1
Patchway [PWY]
1
pass
1653½
pass
1658¼
+4
Bristol Parkway [BPW]
3
1655
1658
1655
1658½
1700¼
1701½
+3
UT
UB
Westerleigh Jn
pass
1702
pass
1705½
+3
Chipping Sodbury
pass
1703½
pass
1707¼
+3
Badminton
pass
1705½
pass
1709½
+3
Hullavington
pass
1708½
pass
1712
+3
Little Somerford
pass
1711
pass
1715
+3
Wootton Bassett Jn
1 ½
pass
1715
pass
1718
+3
UB
UM
Swindon [SWI]
3
1721
1723
1721
1723
1724¼
1725½
+2
UR
UM
Highworth Jn
pass
1724
pass
1727½
+3
Swindon Stratton Green
pass
1724½
pass
1728
+3
Swindon South Marston Jn
pass
1725
pass
1728¼
+3
Bourton
pass
1726
pass
1729¾
+3
Uffington (Oxfordshire)
pass
1729½
pass
1732¾
+3
Challow
pass
1731
pass
1733¾
+2
Wantage Road
1
pass
1732½
pass
1736¼
+3
Steventon
pass
1735
pass
1737½
+2
Milton Junction
pass
1735½
pass
1738¼
+2
Foxhall Jn [XJF]
pass
1736½
pass
1739½
+3
Didcot West End
pass
1737
No report
Didcot Parkway [DID]
2
pass
1737
pass
1740½
+3
Didcot East Jn
pass
1737
pass
1740¾
+3
Moreton Cutting
pass
1738
pass
1741
+3
Cholsey [CHO]
2
pass
1739
pass
1742¾
+3
Goring & Streatley [GOR]
1
2
pass
1741
pass
1744½
+3
ML
Pangbourne [PAN]
pass
1743
pass
1746¼
+3
Tilehurst [TLH]
2
pass
1745
pass
1747½
+2
Tilehurst East Jn.
pass
1745½
pass
1747¾
+2
Reading High Level Jn
pass
1746½
pass
1749½
+3
ML
Reading Main Line West
pass
1747
pass
1752
+4
Reading [RDG]
10
1748
1750
1748
1750
1752¾
1754¼
+4
UM
UM
Reading Main Line East
pass
1750½
pass
1755
+4
Kennet Bridge Jn
pass
1751
pass
1755¾
+4
Twyford West
pass
1753½
pass
1758¼
+4
Twyford [TWY]
2
pass
1754
pass
1759
+5
ML
Ruscombe
pass
1754½
pass
1759¼
+4
Maidenhead [MAI]
2
pass
1757½
pass
1802½
+5
Maidenhead East
pass
1758
pass
1802½
+4
Taplow [TAP]
2
pass
1758½
pass
1803¼
+5
Burnham [BNM]
pass
1759
pass
1803½
+4
Slough West
pass
1800
pass
1804¾
+4
Slough [SLO]
3
pass
1800½
pass
1805½
+5
Dolphin Jn
pass
1801
pass
1805¾
+4
Langley [LNY]
2
pass
1801½
pass
1806½
+5
Iver [IVR]
2
pass
1802½
pass
1807¼
+5
West Drayton Jcn
pass
1803
pass
1807¾
+4
West Drayton [WDT]
2
pass
1803
pass
1808
+5
West Drayton East
pass
1803
pass
1808
+5
Stockley Junction
pass
1803½
pass
1808½
+5
ML
ML
Heathrow Airport Jn
pass
1804
pass
1809¾
+5
Hayes & Harlington [HAY]
2
pass
1804
pass
1810
+6
Southall West Jn
pass
1804½
pass
1810¾
+6
Southall [STL]
2
pass
1805
pass
1810¾
+5
ML
Southall East Jn
pass
1805
pass
1811
+6
Hanwell [HAN]
1
pass
1805½
pass
1812
+6
West Ealing Junction
pass
1806
pass
1812½
+6
West Ealing [WEA]
pass
1806
pass
1812¾
+6
Ealing Broadway [EAL]
2
pass
1806
pass
1813½
+7
Acton West
1
pass
1806½
pass
1813¾
+7
ML
ML
Acton Main Line [AML]
2
pass
1807½
pass
1814½
+7
Friars Jn
pass
1808
No report
Old Oak Common West
pass
1808½
pass
1815¾
+7
Old Oak Common East
pass
1809
pass
1816½
+7
Ladbroke Grove
pass
1810
pass
1817½
+7
UM
3
Portobello Jn (London)
pass
1810½
pass
1818¼
+7
Royal Oak Junction
pass
1811½
pass
1819¼
+7
London Paddington [PAD]
8
1813
1813
1821¼
+8
3
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