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1L51 1017 Swansea to London Paddington
Departing on 28th December 2025

operated by
Great Western Railway
GBTT
WTT
Route
Location
Pl
Arr
Dep
Arr
Dep
Path
Line
Swansea [SWA]
3
1017
1017
Swansea Loop East
pass
1018½
Neath [NTH]
1028
1029
1027½
1029
Briton Ferry West Jn
pass
1031½
Port Talbot Parkway [PTA]
2
1035
1036
1035
1036½
Margam East Jn
pass
1039½
Margam Moors Jn.
pass
1040½
Stormy
pass
1043½
Bridgend [BGN]
2
1048
1049
1047½
1049
Pencoed [PCD]
pass
1053
Pontyclun [PYC]
1
pass
1057
Leckwith North Jn
pass
1107½
Ninian Park [NNP]
1
pass
1108½
Penarth Curve North Jn
4
pass
1109½
Cardiff Radyr Branch Jn
1
pass
1114½
UR
Cardiff Central [CDF]
4
1118
1120
1118
1120
D
Long Dyke Jn
pass
1122
ML
Marshfield
pass
1126½
Ebbw Jn
pass
1129
Gaer Jn
pass
1129½
DM
Newport (South Wales) [NWP]
Pathed as Class 80x on electric from here
3
1131
1133
1131½
1133
ML
Maindee West Jn
pass
1134
Maindee East Jn
pass
1134½
ML
Llanwern West Jn
pass
1136½
Severn Tunnel Junction [STJ]
4
pass
1141½
Severn Tunnel West
pass
1142½
Severn Tunnel East
pass
1146
Pilning [PIL]
1
1
pass
1147
Patchway [PWY]
1½
1
pass
1150½
Bristol Parkway [BPW]
3
1153
1155
1153½
1155
Westerleigh Jn
pass
1158½
Hullavington
pass
1205
Wootton Bassett Jn
1
pass
1211½
Swindon [SWI]
3
1217
1219
1217
1219
Uffington (Oxfordshire)
pass
1225½
Challow
pass
1227
Wantage Road
1
pass
1228½
Didcot Parkway [DID]
2
pass
1233
ML
Goring & Streatley [GOR]
1
pass
1237
ML
Reading High Level Jn
pass
1242½
ML
Reading [RDG]
10
1244
1247
1244
1247½
UML
Kennet Bridge Jn
pass
1248½
ML
Twyford [TWY]
2
pass
1251½
ML
Maidenhead [MAI]
2
pass
1255
ML
Slough [SLO]
2
3
pass
1258
ML
Stockley Junction
pass
1303
ML
ML
Heathrow Airport Jn
pass
1303½
ML
Southall [STL]
2
pass
1304½
ML
Acton West
1
pass
1306
ML
ML
Ladbroke Grove
pass
1309½
ML
3
Portobello Jn (London)
pass
1310
1
Royal Oak Junction
pass
1311
1
London Paddington [PAD]
1
1312
1312
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