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1L04 0527 Swansea to London Paddington
Departing on 1st January 2026

operated by
Great Western Railway
GBTT
WTT
Route
Location
Pl
Arr
Dep
Arr
Dep
Path
Line
Swansea [SWA]
3
0527
0527
Swansea Loop East
pass
0528½
Neath [NTH]
0538
0539
0537½
0539
Briton Ferry West Jn
pass
0541½
Port Talbot Parkway [PTA]
2
0545
0546
0545
0546½
Margam East Jn
pass
0549½
Margam Moors Jn.
pass
0550½
Stormy
pass
0553½
Bridgend [BGN]
2
0558
0559
0557½
0559
Pencoed [PCD]
pass
0603
Pontyclun [PYC]
1
pass
0607
Leckwith North Jn
pass
0616
C
Cardiff Central [CDF]
Pathed as Class 80x on electric from here
1
0619
0622
0619½
0622
B
Long Dyke Jn
pass
0624
ML
Marshfield
pass
0628
Ebbw Jn
pass
0630½
Gaer Jn
pass
0631
UM
Newport (South Wales) [NWP]
3
0633
0635
0633
0635
ML
Maindee West Jn
pass
0636
Maindee East Jn
pass
0636½
ML
Llanwern West Jn
pass
0638½
Severn Tunnel Junction [STJ]
4
pass
0643½
Severn Tunnel West
pass
0644½
Severn Tunnel East
pass
0648
Pilning [PIL]
1
1
pass
0649
Patchway [PWY]
1
pass
0652½
Bristol Parkway [BPW]
3
0654
0656
0654
0656½
Westerleigh Jn
pass
0700
Hullavington
pass
0706½
Wootton Bassett Jn
1
pass
0713
Swindon [SWI]
1
0718
0720
0718½
0720
Uffington (Oxfordshire)
pass
0726½
Challow
pass
0728
Wantage Road
1
pass
0729½
Didcot Parkway [DID]
2
pass
0734
ML
Goring & Streatley [GOR]
1
pass
0738
ML
Reading High Level Jn
pass
0743½
ML
Reading [RDG]
10
0745
0747
0745
0747½
UML
Kennet Bridge Jn
pass
0748½
ML
Twyford West
pass
0751½
RL
Twyford [TWY]
4
pass
0752½
RL
Maidenhead [MAI]
3
4
pass
0756
RL
Slough [SLO]
1 4½
5
pass
0803
RL
Stockley Junction
pass
0813½
RL
ML
Heathrow Airport Jn
pass
0814½
ML
Southall [STL]
2
pass
0816½
ML
Acton West
1
pass
0818
ML
ML
Ladbroke Grove
pass
0821½
ML
3
Portobello Jn (London)
pass
0822
1
Royal Oak Junction
pass
0823
1
London Paddington [PAD]
forms 1B07 to Swansea and forms 1W01 to Hereford
1
0824
0824
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