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1L18 1121 Swansea to London Paddington
Departing on 13th December 2025

operated by
Great Western Railway
10 coaches
800027
800010
GBTT
WTT
RTTRealtime
Route
Location
Pl
Arr
Dep
Arr
Dep
Arr
Dep
Dly
Path
Line
Swansea [SWA]
Pathed as Class 80x on diesel at 125mph
3
1121
1121
1120¼
USM
Swansea Loop East
pass
1122½
pass
1122½
Landore Junction
pass
1123½
pass
1123¾
USM
UM
Llansamlet [LAS]
2
pass
1126½
pass
1126¾
Skewen [SKE]
2
pass
1128½
pass
1128¾
Neath [NTH]
2
1132
1133
1131½
1133
1131
1133
Briton Ferry West Jn
pass
1135½
pass
1135½
Port Talbot Parkway [PTA]
2
1139
1141
1139
1141
1139
1140½
Port Talbot East
pass
1142
No report
Margam Middle Jn
pass
1143
pass
1142
-1
Margam East Jn
pass
1144
pass
1143½
Margam Moors Jn.
pass
1145
pass
1144¾
UM
Pyle [PYL]
2
pass
1146½
pass
1146¼
Stormy
pass
1148
pass
1148¼
At platform
Bridgend [BGN]
2
1152
1154
1152
1154
1153¼
1157
+3
UM
UM
Tremains
pass
1155
pass
1159¼
+4
Pencoed Up Passenger Loop
pass
1157½
No report
Pencoed [PCD]
2
pass
1158
pass
1201½
+3
Llanharan [LLR]
1
pass
1200
pass
1204¼
+4
Llantrisant [LTI]
pass
1201½
No report
Pontyclun [PYC]
1
2
pass
1202
pass
1211¼
+9
Miskin
pass
1204
pass
1214½
+10
St Fagans L C
pass
1208½
pass
1218½
+10
Leckwith North Jn
pass
1211
pass
1220¾
+9
UM
C
Cardiff West
pass
1213½
No report
Cardiff Central [CDF]
Pathed as Class 80x on electric from here
2
1215
1220
1214½
1220
1223½
1227¾
+7
C
B
Cardiff East
pass
1220½
pass
1228¾
+8
Long Dyke Jn
pass
1222
pass
1229¾
+7
B
UM
Moorland Road Junction
pass
1222½
pass
1230½
+8
Pengam Jn
pass
1223
pass
1230¾
+8
Rumney River Bridge Jn
pass
1223
pass
1231¼
+8
Marshfield
pass
1226
pass
1233¾
+7
Ebbw Jn
pass
1228½
pass
1236½
+8
UM
UM
Gaer Jn
pass
1229½
pass
1237
+7
UM
Newport (South Wales) [NWP]
3
1231
1234
1231
1234
1239
1240
+6
UM
UM
Maindee West Jn
pass
1235
pass
1241½
+6
Maindee East Jn
pass
1235½
pass
1242
+6
East Usk Jn.
pass
1236
pass
1243
+6
Llanwern West Jn
pass
1237
pass
1244
+7
Magor
pass
1241
pass
1246¾
+6
Severn Tunnel Junction [STJ]
4
pass
1242½
pass
1249¼
+6
UM
UT
Severn Tunnel West
pass
1243½
pass
1250
+6
Severn Tunnel East
pass
1247
pass
1253½
+6
Pilning [PIL]
1
1
pass
1248
pass
1254½
+6
Patchway [PWY]
1
pass
1251½
pass
1257½
+6
Bristol Parkway [BPW]
3
1253
1256
1253
1256
1300½
1302½
+6
UT
UB
Westerleigh Jn
pass
1259½
pass
1307¾
+8
Chipping Sodbury
pass
1301
pass
1309¼
+8
Badminton
pass
1303
pass
1311¾
+8
Hullavington
pass
1306
pass
1314¼
+8
Little Somerford
pass
1308½
pass
1317¼
+8
Wootton Bassett Jn
1
pass
1312½
pass
1321¼
+8
UB
UM
Swindon [SWI]
1
1318
1322
1318
1322
1327¼
1328½
+6
UR
UM
Highworth Jn
pass
1323
pass
1330½
+7
Swindon Stratton Green
pass
1323½
pass
1331
+7
Swindon South Marston Jn
pass
1324
pass
1331½
+7
Bourton
pass
1325
pass
1332¾
+7
Uffington (Oxfordshire)
pass
1328½
pass
1335¾
+7
Challow
pass
1330
pass
1336¾
+6
Wantage Road
1
pass
1331½
pass
1339¼
+7
Steventon
pass
1334
pass
1340½
+6
Milton Junction
pass
1334½
pass
1342¾
+8
Foxhall Jn [XJF]
pass
1335½
pass
1345¼
+9
Didcot West End
pass
1336
No report
Didcot Parkway [DID]
½
2
pass
1336
pass
1346¼
+10
Didcot East Jn
pass
1336
pass
1346½
+10
Moreton Cutting
pass
1337
pass
1347
+10
Cholsey [CHO]
2
pass
1338½
pass
1348½
+10
Goring & Streatley [GOR]
1
2
pass
1340½
pass
1350¼
+9
ML
Pangbourne [PAN]
pass
1342½
pass
1352¼
+9
Tilehurst [TLH]
2
pass
1344½
pass
1353¼
+8
Tilehurst East Jn.
pass
1345
pass
1353½
+8
Reading High Level Jn
pass
1346
pass
1355¼
+9
ML
Reading Main Line West
pass
1346½
pass
1356½
+10
Reading [RDG]
11
1348
1349
1347½
1349½
1357½
1358¾
+9
UM
UM
Reading Main Line East
pass
1350
pass
1359½
+9
Kennet Bridge Jn
pass
1350½
pass
1400¼
+9
Twyford West
pass
1353
pass
1402½
+9
Twyford [TWY]
2
pass
1353½
pass
1403¼
+9
ML
Ruscombe
pass
1354
pass
1403½
+9
Maidenhead [MAI]
2
pass
1357
pass
1406¾
+9
Maidenhead East
pass
1357½
pass
1406¾
+9
Taplow [TAP]
2
pass
1358
pass
1407½
+9
Burnham [BNM]
pass
1358½
pass
1407¾
+9
Slough West
pass
1359½
pass
1408¾
+9
Slough [SLO]
3
pass
1400
pass
1410
+10
Dolphin Jn
pass
1400½
pass
1411¼
+10
Langley [LNY]
2
pass
1401
pass
1412¼
+11
Iver [IVR]
2
pass
1402
pass
1413¼
+11
West Drayton Jcn
pass
1402½
pass
1414
+11
West Drayton [WDT]
2
pass
1402½
pass
1414½
+12
West Drayton East
pass
1402½
pass
1414¾
+12
Stockley Junction
pass
1403
pass
1415¼
+12
ML
ML
Heathrow Airport Jn
pass
1403½
pass
1416¼
+12
Hayes & Harlington [HAY]
2
pass
1403½
pass
1416½
+13
Southall West Jn
pass
1404
pass
1417
+13
Southall [STL]
2
pass
1404½
pass
1417
+12
ML
Southall East Jn
pass
1404½
pass
1417½
+12
Hanwell [HAN]
1
pass
1405
pass
1418½
+13
West Ealing Junction
pass
1405½
pass
1418¾
+13
West Ealing [WEA]
pass
1405½
pass
1419
+13
Ealing Broadway [EAL]
2
pass
1405½
pass
1420
+14
Acton West
1
pass
1406
pass
1420
+14
ML
ML
Acton Main Line [AML]
2
pass
1407
pass
1421½
+14
Friars Jn
pass
1407½
No report
Old Oak Common West
pass
1408
pass
1422¾
+14
Old Oak Common East
pass
1408½
pass
1423¼
+14
Ladbroke Grove
pass
1409½
pass
1424¼
+14
UM
3
Portobello Jn (London)
pass
1410
pass
1425
+15
3
1
Royal Oak Junction
pass
1411
pass
1426
+15
London Paddington [PAD]
1
1412
1412
1427¾
+15
1
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