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1B15 0833 London Paddington to Swansea
Departing on 12th April 2026

operated by
Great Western Railway
GBTT
WTT
Route
Location
Pl
Arr
Dep
Arr
Dep
Path
Line
London Paddington [PAD]
1
0833
0833
2
Royal Oak Junction
pass
0834
2
Portobello Jn (London)
pass
0835
3
Ladbroke Grove
pass
0836
3
RL
Acton West
pass
0839
RL
ML
Southall [STL]
1
pass
0841½
ML
Heathrow Airport Jn
pass
0842½
ML
Slough [SLO]
2
pass
0846
ML
Maidenhead [MAI]
1
pass
0849
ML
Twyford [TWY]
1
1
pass
0852½
ML
Kennet Bridge Jn
pass
0855½
DML
Reading [RDG]
7
0857
0859
0857
0859
FVL
Reading High Level Jn
pass
0900½
FVL
Reading West Jn
pass
0901
RL
Goring & Streatley [GOR]
pass
0905½
RL
Didcot East Jn
1
pass
0911½
RL
Didcot Parkway [DID]
3
0914
0915
0913½
0915
RL
Foxhall Jn [XJF]
pass
0916
Milton Junction
pass
0917
Wantage Road
pass
0919½
Challow
pass
0921½
Uffington (Oxfordshire)
1
pass
0922½
Swindon [SWI]
3
0930
0932
0930½
0932½
Wootton Bassett Jn
pass
0937½
Hullavington
1
pass
0944
Westerleigh Jn
pass
0951½
Bristol Parkway [BPW]
2
0955
0956
0954½
0956
Patchway [PWY]
2
pass
0957½
Pilning [PIL]
2
pass
1000
Severn Tunnel East
pass
1001
Severn Tunnel West
pass
1004½
Severn Tunnel Junction [STJ]
3
pass
1005½
ML
Llanwern West Jn
pass
1010½
Maindee East Jn
pass
1012
ML
Maindee West Jn
½
pass
1012½
Newport (South Wales) [NWP]
2
1014
1015
1014
1015½
DM
Gaer Jn
pass
1017
ML
Ebbw Jn
pass
1018
Marshfield
pass
1021
Moorland Road Junction
1 ½
pass
1024½
RL
Long Dyke Jn
pass
1026½
E
Cardiff Central [CDF]
Pathed as Class 80x on diesel from here
3
1029
1031
1029
1031
D
Leckwith North Jn
pass
1034
Pontyclun [PYC]
pass
1042
Bridgend [BGN]
1
1050
1051
1049½
1051
Stormy
pass
1055½
Margam Moors Jn.
pass
1058
Margam East Jn
pass
1059
Port Talbot Parkway [PTA]
1
1102
1103
1101½
1103
Court Sart Jn
pass
1107
Neath [NTH]
1
1109
1110
1109
1110½
Swansea Loop East
pass
1120
Swansea [SWA]
forms 5B15 to Swansea Maliphant Iep Dpt and joins with 1L60 towards London Paddington
2
1122
1122
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