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1L26 1523 Swansea to London Paddington
Departing on 10th January 2026

operated by
Great Western Railway
9 coaches
Swansea - Bristol Parkway
800305
9 coaches
Bristol Parkway - Bristol Temple Meads
800305
9 coaches
Bristol Temple Meads - London Paddington
800305
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
1524¼
Landore Junction
pass
1525½
pass
1525½
USM
UM
Llansamlet [LAS]
2
pass
1528½
pass
1528½
Skewen [SKE]
2
pass
1530½
pass
1530¾
Neath [NTH]
2
1534
1535
1533½
1535
1533¼
1534¾
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
-1
Margam East Jn
pass
1546
pass
1545½
Margam Moors Jn.
pass
1547
pass
1547
UM
Pyle [PYL]
2
pass
1548½
pass
1548¾
Stormy
pass
1550
pass
1551
+1
At platform
Bridgend [BGN]
2
1554
1556
1554
1556
1554¾
1556¼
UM
UM
Tremains
pass
1557
pass
1558½
+1
Pencoed Up Passenger Loop
pass
1559½
No report
Pencoed [PCD]
2
pass
1600
pass
1601
+1
Llanharan [LLR]
1
pass
1602
pass
1603
Llantrisant [LTI]
pass
1603½
No report
Pontyclun [PYC]
1
2
pass
1604
pass
1605¼
+1
Miskin
pass
1606
pass
1607
+1
St Fagans L C
pass
1610½
pass
1611
Leckwith North Jn
pass
1613
pass
1613¼
UM
C
Cardiff West
pass
1615½
No report
Cardiff Central [CDF]
Pathed as Class 80x on electric from here
1
1617
1623
1616½
1623
1618¾
1622¾
C
B
Cardiff East
pass
1623½
pass
1623¾
Long Dyke Jn
pass
1625
pass
1624¾
B
UM
Moorland Road Junction
pass
1625½
pass
1625¾
Pengam Jn
pass
1626
pass
1626
Rumney River Bridge Jn
pass
1626
pass
1626¼
Marshfield
pass
1629
pass
1629
Ebbw Jn
pass
1631½
pass
1631½
UM
UM
Gaer Jn
pass
1632
pass
1632
UM
Newport (South Wales) [NWP]
3
1634
1636
1634
1636
1634
1635¾
UM
UM
Maindee West Jn
pass
1637
pass
1637¼
Maindee East Jn
pass
1637½
pass
1637¾
ML
East Usk Jn.
pass
1638½
pass
1638¾
Llanwern West Jn
pass
1639½
pass
1639½
Magor
pass
1643
pass
1642½
Severn Tunnel Junction [STJ]
4
pass
1644½
pass
1645
UM
UT
Severn Tunnel West
pass
1645½
pass
1645¾
Severn Tunnel East
1
pass
1649
pass
1649
Pilning [PIL]
1 2
1
pass
1651
pass
1650¼
Patchway [PWY]
1½
1
pass
1656½
pass
1652¾
-3
Bristol Parkway [BPW]
Pathed as Class 80x on diesel from here
Service reverses here
3
1700
1712
1659½
1712
1654¾
1711¾
UT
DF
Filton Jn
pass
1714
No report
Filton Abbey Wood [FIT]
1
pass
1714½
pass
1714½
DF
DFM
Horfield Junction
1
pass
1715
pass
1715¼
Narroways Hill Jn
pass
1717
pass
1716¾
Stapleton Road [SRD]
pass
1717½
pass
1717
Lawrence Hill [LWH]
pass
1718
pass
1717¾
Dr Day's Jn
pass
1718½
pass
1718¼
DF
Bristol East Jn
pass
1719½
pass
1719
DFM
DF
Bristol Temple Meads [BRI]
Service reverses here
13
1721
1730
1721
1730
1720¼
1730
DF
UH
Bristol East Jn
pass
1731
pass
1731¾
North Somerset Jn
pass
1732
pass
1732¾
Keynsham [KYN]
2
pass
1735
pass
1736¾
+1
Twerton
pass
1739
pass
1740¼
+1
Oldfield Park [OLF]
2
pass
1739½
pass
1741
+1
Bath Spa [BTH]
2
1741
1743
1741
1743
1742¾
1744¾
+1
Bathampton Jn
pass
1746½
pass
1749¾
+3
UM
UT
Bathampton Sig Bl1990
pass
1750½
pass
1756
+5
Bradford-on-Avon [BOA]
2
pass
1754½
pass
1759½
+5
Bradford Jn
1 ½
pass
1757
pass
1802½
+5
Trowbridge [TRO]
2
pass
1759
pass
1805¼
+6
Hawkeridge Jn
pass
1804½
pass
1810¼
+5
UT
UWL
Heywood Road Jn
pass
1807½
pass
1812¾
+5
UWL
UW
Lavington
pass
1813
pass
1819½
+6
Woodborough
pass
1819
pass
1826
+7
Pewsey [PEW]
2
pass
1821½
pass
1828¼
+7
Savernake
pass
1824½
pass
1831¼
+6
Bedwyn [BDW]
2
pass
1827
pass
1835¼
+8
Hungerford [HGD]
1
1
pass
1831
pass
1838½
+7
Hungerford Loop
pass
1832
No report
Kintbury [KIT]
2
pass
1833
pass
1840½
+7
Newbury [NBY]
1
Pathed as Class 80x on electric from here
pass
1837
pass
1844
+7
Newbury Racecourse [NRC]
2
pass
1837½
pass
1844¾
+7
Thatcham [THA]
2
pass
1839
pass
1846½
+7
Midgham [MDG]
2
pass
1841
pass
1848¼
+7
Aldermaston [AMT]
1
pass
1842
pass
1849
+7
Theale [THE]
1 2
1
pass
1844
pass
1851¼
+7
Southcote Jn
1
pass
1850
pass
1853¾
+3
Reading West [RDW]
2
pass
1852
pass
1855¼
+3
Oxford Road Jn
pass
1852
pass
1855¼
+3
UW
UFM
Reading Main Line West
pass
1853½
pass
1856¾
+3
Reading [RDG]
11
1855
1857
1854½
1858
1857¾
1858¾
UFM
UM
Reading Main Line East
pass
1858½
pass
1859½
+1
Kennet Bridge Jn
pass
1859
pass
1900¼
+1
Twyford West
pass
1901½
pass
1902¼
Twyford [TWY]
2
pass
1902
pass
1903
+1
ML
Ruscombe
pass
1902½
pass
1903¼
Maidenhead [MAI]
2
pass
1905½
pass
1906¼
Maidenhead East
pass
1906
pass
1906¼
Taplow [TAP]
2
pass
1906½
pass
1907
Burnham [BNM]
pass
1907
pass
1907¼
Slough West
pass
1908
pass
1908½
Slough [SLO]
1
3
pass
1908½
pass
1909¼
Dolphin Jn
pass
1909½
pass
1909¾
Langley [LNY]
2
pass
1910
pass
1910½
Iver [IVR]
2
pass
1911
pass
1911½
West Drayton Jcn
pass
1911½
pass
1912
West Drayton [WDT]
2
pass
1912
pass
1912¼
West Drayton East
pass
1912
pass
1912¼
Stockley Junction
pass
1912½
pass
1912½
ML
ML
Heathrow Airport Jn
pass
1913
pass
1913
Hayes & Harlington [HAY]
2
pass
1913
pass
1913¼
Southall West Jn
pass
1913½
pass
1913¾
Southall [STL]
2
pass
1914
pass
1913½
ML
Southall East Jn
pass
1914
pass
1913¾
Hanwell [HAN]
1
pass
1914½
pass
1914¾
West Ealing Junction
pass
1915
pass
1915
West Ealing [WEA]
pass
1915
pass
1915¼
Ealing Broadway [EAL]
2
pass
1915
pass
1916
Acton West
1
pass
1915½
pass
1916
ML
ML
Acton Main Line [AML]
2
pass
1916½
pass
1916¾
Friars Jn
pass
1917
No report
Old Oak Common West
pass
1917½
pass
1917½
Old Oak Common East
pass
1918
pass
1918
Ladbroke Grove
pass
1919
pass
1919
UM
3
Portobello Jn (London)
pass
1919½
pass
1919½
Royal Oak Junction
pass
1920½
pass
1920¾
London Paddington [PAD]
5
1922
1922
1923¼
+1
3
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