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1L16 0921 Carmarthen to London Paddington
Departing on 10th December 2025

operated by
Great Western Railway
5 coaches
Carmarthen - Swansea
800027
10 coaches
Swansea - London Paddington
800027
800007
GBTT
WTT
RTTRealtime
Route
Location
Pl
Arr
Dep
Arr
Dep
Arr
Dep
Dly
Path
Line
Carmarthen [CMN]
Pathed as Class 80x on diesel at 125mph
2
0921
0921
0921
U2
Carmarthen Jn [XCI]
pass
0923
pass
0923
UU
Ferryside [FYS]
pass
0931½
No report
Kidwelly [KWL]
pass
0935
No report
Kidwelly Junction
pass
0935½
No report
Pembrey & Burry Port [PBY]
0940
0941
0940
0941½
No report
Llanelli [LLE]
2
0948
0949
0947½
0949½
0946¼
0948¾
Llandeilo Jn
pass
0952
pass
0951¼
Duffryn West
pass
0952½
pass
0951½
Gowerton [GWN]
2
pass
0956
pass
0954¼
-1
Cockett West
1
pass
0957½
pass
0956
-1
Swansea Loop West
1
pass
1001½
pass
0959¼
-2
UM
USL
Swansea Loop East
pass
1004½
pass
1001¼
-3
USL
USM
Swansea [SWA]
Pathed as Class 80x on diesel from here
Service reverses here, gains coaches here
3
1007
1022
1007
1022
1004
1021¼
USM
USM
Swansea Loop East
pass
1023½
pass
1023¼
Landore Junction
pass
1024½
pass
1024½
USM
UM
Llansamlet [LAS]
2
pass
1027½
pass
1027½
Skewen [SKE]
2
pass
1029½
pass
1029½
Neath [NTH]
2
1033
1035
1032½
1035
1032
1035
Briton Ferry West Jn
pass
1037½
pass
1037¾
Port Talbot Parkway [PTA]
2
1041
1042
1041
1042½
1041¼
1042¼
Port Talbot East
pass
1043½
No report
Margam Middle Jn
pass
1044½
pass
1043¾
Margam East Jn
pass
1045½
pass
1045
Margam Moors Jn.
pass
1046½
pass
1046¼
UM
Pyle [PYL]
2
pass
1048
pass
1047¾
Stormy
pass
1049½
pass
1049½
At platform
Bridgend [BGN]
2
1054
1055
1053½
1055
1054
1056¼
+1
UM
UM
Tremains
pass
1056
pass
1058¼
+2
Pencoed Up Passenger Loop
pass
1058½
No report
Pencoed [PCD]
2
pass
1059
pass
1100¼
+1
Llanharan [LLR]
1
pass
1101
pass
1102¼
+1
Llantrisant [LTI]
pass
1102½
No report
Pontyclun [PYC]
1
2
pass
1103
pass
1104½
+1
Miskin
pass
1105
pass
1106¼
+1
St Fagans L C
pass
1109½
pass
1111½
+2
Leckwith North Jn
pass
1112
pass
1114¼
+2
UM
C
Cardiff West
pass
1114½
No report
Cardiff Central [CDF]
Pathed as Class 80x on electric from here
2
1115
1118
1115½
1118
1120
1123½
+5
C
B
Cardiff East
pass
1118½
pass
1124¾
+6
Long Dyke Jn
pass
1120
pass
1126
+6
B
UM
Moorland Road Junction
pass
1120½
pass
1126¾
+6
Pengam Jn
pass
1121
pass
1127
+6
Rumney River Bridge Jn
pass
1121
pass
1127¼
+6
Marshfield
pass
1124
pass
1130
+6
Ebbw Jn
pass
1126½
pass
1132½
+6
UM
UM
Gaer Jn
pass
1127½
pass
1132¾
+5
UM
Newport (South Wales) [NWP]
3
1129
1131
1129
1131
1135
1137
+6
UM
UM
Maindee West Jn
pass
1132
pass
1138½
+6
Maindee East Jn
pass
1132½
pass
1139
+6
East Usk Jn.
pass
1133
pass
1140
+6
Llanwern West Jn
2½
pass
1134
pass
1141
+7
Magor
pass
1139½
pass
1143¾
+4
Severn Tunnel Junction [STJ]
4
pass
1142
pass
1146¼
+4
UM
UT
Severn Tunnel West
pass
1143
pass
1147
+4
Severn Tunnel East
pass
1146½
pass
1150¾
+4
Pilning [PIL]
1
1
pass
1147½
pass
1151½
+4
Patchway [PWY]
1
pass
1151
pass
1154½
+3
Bristol Parkway [BPW]
3
1154
1155
1153½
1155½
1157¼
1158¾
+3
UT
UB
Westerleigh Jn
pass
1159½
pass
1202¾
+3
Chipping Sodbury
pass
1201
pass
1204¼
+3
Badminton
pass
1203
pass
1206½
+3
Hullavington
pass
1206
pass
1209
+3
Little Somerford
pass
1208½
pass
1212
+3
Wootton Bassett Jn
1
pass
1212½
pass
1215
+2
UB
UM
Swindon [SWI]
3
1218
1220
1218
1220
1220½
1221½
+1
UR
UM
Highworth Jn
pass
1221
pass
1223½
+2
Swindon Stratton Green
pass
1221½
pass
1224
+2
Swindon South Marston Jn
pass
1222
pass
1224¼
+2
Bourton
pass
1223
pass
1225½
+2
Uffington (Oxfordshire)
pass
1226½
pass
1228½
+2
Challow
pass
1228
pass
1229½
+1
Wantage Road
1
pass
1229½
pass
1232¼
+2
Steventon
pass
1232
pass
1237¾
+5
Milton Junction
pass
1232½
pass
1240¼
+7
Foxhall Jn [XJF]
pass
1233½
pass
1243½
+10
Didcot West End
pass
1234
No report
Didcot Parkway [DID]
2
pass
1234
pass
1245
+11
Didcot East Jn
pass
1234
pass
1246
+11
Moreton Cutting
pass
1235
pass
1246½
+11
Cholsey [CHO]
2
pass
1236
pass
1248
+11
Goring & Streatley [GOR]
1
2
pass
1238
pass
1249¾
+11
ML
Pangbourne [PAN]
pass
1240
pass
1251¾
+11
Tilehurst [TLH]
2
pass
1242
pass
1252¾
+10
Tilehurst East Jn.
pass
1242½
pass
1253
+10
Reading High Level Jn
pass
1243½
pass
1254½
+11
ML
Reading Main Line West
pass
1244
pass
1255¾
+11
Reading [RDG]
11
1244
1247
1245
1247
1256¾
1257¾
+10
UM
UM
Reading Main Line East
pass
1247½
pass
1258½
+10
Kennet Bridge Jn
pass
1248
pass
1259¼
+11
Twyford West
pass
1250½
pass
1301¾
+11
Twyford [TWY]
2
pass
1251
pass
1302¾
+11
ML
Ruscombe
pass
1251½
pass
1303
+11
Maidenhead [MAI]
2
pass
1254½
pass
1306¼
+11
Maidenhead East
pass
1255
pass
1306¼
+11
Taplow [TAP]
2
pass
1255½
pass
1307
+11
Burnham [BNM]
pass
1256
pass
1307¼
+11
Slough West
pass
1257
pass
1310¾
+13
Slough [SLO]
3
pass
1257½
pass
1312
+14
Dolphin Jn
pass
1258
pass
1313
+14
Langley [LNY]
2
pass
1258½
pass
1313¾
+15
Iver [IVR]
2
pass
1259½
pass
1314½
+15
West Drayton Jcn
pass
1300
pass
1315¼
+15
West Drayton [WDT]
2
pass
1300
pass
1316
+16
West Drayton East
pass
1300
pass
1316½
+16
Stockley Junction
pass
1300½
pass
1317½
+17
ML
ML
Heathrow Airport Jn
pass
1301
pass
1319
+18
Hayes & Harlington [HAY]
2
pass
1301
pass
1319½
+18
Southall West Jn
pass
1301½
pass
1320
+18
Southall [STL]
2
pass
1302
pass
1320
+18
ML
Southall East Jn
pass
1302
pass
1320¼
+18
Hanwell [HAN]
1
pass
1302½
pass
1321¼
+18
West Ealing Junction
pass
1303
pass
1321¾
+18
West Ealing [WEA]
pass
1303
pass
1322
+19
Ealing Broadway [EAL]
2
pass
1303
pass
1322¾
+19
Acton West
1
pass
1303½
pass
1322¾
+19
ML
ML
Acton Main Line [AML]
2
pass
1304½
pass
1324½
+20
Friars Jn
pass
1305
No report
Old Oak Common West
pass
1305½
pass
1326
+20
Old Oak Common East
pass
1306
pass
1326½
+20
Ladbroke Grove
pass
1307
pass
1327½
+20
UM
2
Portobello Jn (London)
pass
1307½
pass
1328
+20
2
1
Royal Oak Junction
pass
1308½
pass
1329
+20
London Paddington [PAD]
1
1310
1310
1330¾
+20
1
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