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1B15 0831 London Paddington to Swansea
Departing on 19th April 2026

operated by
Great Western Railway
GBTT
WTT
Route
Location
Pl
Arr
Dep
Arr
Dep
Path
Line
London Paddington [PAD]
1
0831
0831
2
Royal Oak Junction
pass
0832
2
Portobello Jn (London)
pass
0833
2
Ladbroke Grove
pass
0834
2
ML
Acton West
½
pass
0836½
ML
ML
Southall [STL]
1
1
pass
0839
ML
Heathrow Airport Jn
½
pass
0841
ML
Slough [SLO]
2
pass
0845
ML
Maidenhead [MAI]
1
pass
0848
ML
Twyford [TWY]
1
1
pass
0851½
ML
Kennet Bridge Jn
pass
0854½
DML
Reading [RDG]
8
0856
0859
0856
0859
ML
Reading High Level Jn
pass
0900
ML
Goring & Streatley [GOR]
1 1½
pass
0905
ML
Didcot Parkway [DID]
1
0913
0914
0912½
0914
Wantage Road
pass
0919
Challow
pass
0921
Uffington (Oxfordshire)
1
pass
0922
Swindon [SWI]
3
0929
0932
0930
0932
Wootton Bassett Jn
pass
0937
Hullavington
1
pass
0943½
Westerleigh Jn
pass
0951
Bristol Parkway [BPW]
2
0954
0956
0954
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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