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1B24 1646 London Paddington to Swansea
Departing on 29th December 2025

operated by
Great Western Railway
GBTT
WTT
Route
Location
Pl
Arr
Dep
Arr
Dep
Path
Line
London Paddington [PAD]
forms from 1L22 from Swansea
3
1646
1646
2
Royal Oak Junction
pass
1647
2
Portobello Jn (London)
pass
1648
2
Ladbroke Grove
pass
1649
2
ML
Acton West
pass
1651½
ML
ML
Southall [STL]
1
1
pass
1653½
ML
Heathrow Airport Jn
pass
1655½
ML
Slough [SLO]
2
pass
1659
ML
Maidenhead [MAI]
1
pass
1702
ML
Twyford [TWY]
1
1
pass
1705½
ML
Kennet Bridge Jn
pass
1708½
DML
Reading [RDG]
9
1710
1713
1710
1713
ML
Reading High Level Jn
pass
1714
ML
Goring & Streatley [GOR]
1
pass
1719
ML
Didcot Parkway [DID]
2
1
pass
1724
Wantage Road
pass
1730
Challow
pass
1732
Uffington (Oxfordshire)
1
pass
1733
Swindon [SWI]
4
1739
1742
1740
1742
Wootton Bassett Jn
pass
1746½
Hullavington
1
pass
1753
Westerleigh Jn
pass
1800½
Bristol Parkway [BPW]
2
1803
1805
1803½
1805½
Patchway [PWY]
2
pass
1807
Pilning [PIL]
½
2
pass
1809½
Severn Tunnel East
pass
1811
Severn Tunnel West
pass
1814½
Severn Tunnel Junction [STJ]
3
pass
1815½
ML
Llanwern West Jn
pass
1820½
Maindee East Jn
pass
1822
ML
Maindee West Jn
pass
1822½
Newport (South Wales) [NWP]
Pathed as Class 80x on diesel from here
2
1824
1825
1823½
1825
DM
Gaer Jn
pass
1826½
ML
Ebbw Jn
4
pass
1827½
Marshfield
1
pass
1834
Long Dyke Jn
pass
1839
E
Cardiff Central [CDF]
4
1842
1846
1842
1846
Cardiff Radyr Branch Jn
pass
1848
Penarth Curve North Jn
2
pass
1849
Ninian Park [NNP]
1
pass
1852
Leckwith North Jn
pass
1853
Pontyclun [PYC]
pass
1901½
Bridgend [BGN]
1
1909
1910
1909
1910½
Stormy
pass
1915
Margam Moors Jn.
pass
1917½
Margam East Jn
pass
1918½
Port Talbot Parkway [PTA]
1
1921
1922
1921
1922½
Court Sart Jn
pass
1926½
Neath [NTH]
1
1929
1930
1928½
1930
Swansea Loop East
pass
1939½
Swansea [SWA]
forms 1L36 to London Paddington and forms 5B24 to Swansea Maliphant Iep Dpt
3
1941
1941
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