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1L16 0921 Carmarthen to London Paddington
Departing on 7th January 2026

operated by
Great Western Railway
5 coaches
Carmarthen - Swansea
802012
10 coaches
Swansea - London Paddington
800006
800022
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
pass
0931
Bertwyn Level Crossing
pass
0934
No report
Kidwelly [KWL]
1
pass
0935½
No report
Kidwelly Junction
pass
0936
No report
Pembrey & Burry Port [PBY]
0941
0942
0940½
0942
0940
0942
Llanelli [LLE]
2
0948
0950
0948
0950
0947¼
0950
Llandeilo Jn
pass
0952½
pass
0952¼
Duffryn West
pass
0953
pass
0952½
Gowerton [GWN]
2
pass
0956½
pass
0955¼
-1
Cockett West
1
pass
0958
pass
0957
Swansea Loop West
½
pass
1002
pass
1000¾
-1
UM
USL
Swansea Loop East
pass
1004½
pass
1002¾
-1
USL
USM
Swansea [SWA]
Pathed as Class 80x on diesel from here
Service reverses here, gains coaches here
3
1007
1022
1007
1022
1006
1034¼
+12
USM
USM
Swansea Loop East
pass
1023½
pass
1036¼
+12
Landore Junction
pass
1024½
pass
1037½
+13
USM
UM
Llansamlet [LAS]
2
pass
1027½
pass
1040½
+13
Skewen [SKE]
2
pass
1029½
pass
1042¾
+13
Neath [NTH]
2
1033
1035
1032½
1035
1045
1047
+12
Briton Ferry West Jn
pass
1037½
pass
1049¾
+12
Port Talbot Parkway [PTA]
2
1041
1042
1041
1042½
1053¼
1054¾
+12
Port Talbot East
pass
1043½
No report
Margam Middle Jn
pass
1044½
pass
1056
+11
Margam East Jn
pass
1045½
pass
1057½
+12
Margam Moors Jn.
pass
1046½
pass
1059
+12
UM
Pyle [PYL]
2
pass
1048
pass
1100¼
+12
Stormy
pass
1049½
pass
1102¼
+12
At platform
Bridgend [BGN]
2
1054
1055
1053½
1055
1106
1107½
+12
UM
UM
Tremains
pass
1056
pass
1109¾
+13
Pencoed Up Passenger Loop
pass
1058½
No report
Pencoed [PCD]
2
pass
1059
pass
1112
+13
Llanharan [LLR]
1
pass
1101
pass
1113¾
+12
Llantrisant [LTI]
pass
1102½
No report
Pontyclun [PYC]
1
2
pass
1103
pass
1116
+13
Miskin
pass
1105
pass
1117¾
+12
St Fagans L C
pass
1109½
pass
1121¾
+12
Leckwith North Jn
pass
1112
pass
1124¼
+12
UM
C
Cardiff West
pass
1114½
No report
Cardiff Central [CDF]
Pathed as Class 80x on electric from here
2
1115
1118
1115½
1118
1127½
1129¾
+11
C
B
Cardiff East
pass
1118½
pass
1131
+12
Long Dyke Jn
pass
1120
pass
1132¼
+12
B
UM
Moorland Road Junction
pass
1120½
pass
1133¼
+13
Pengam Jn
pass
1121
pass
1133¾
+13
Rumney River Bridge Jn
pass
1121
pass
1134¼
+13
Marshfield
pass
1124
pass
1137
+13
Ebbw Jn
pass
1126½
pass
1139¾
+13
UM
UM
Gaer Jn
pass
1127
pass
1140
+13
UM
Newport (South Wales) [NWP]
3
1129
1131
1129
1131
1142¼
1143½
+12
UM
UM
Maindee West Jn
pass
1132
pass
1145¼
+13
Maindee East Jn
pass
1132½
pass
1145¾
+13
ML
East Usk Jn.
pass
1133½
pass
1146¾
+13
Llanwern West Jn
2½
pass
1134½
pass
1148
+13
Magor
pass
1139½
pass
1151
+11
Severn Tunnel Junction [STJ]
4
pass
1142
pass
1153¾
+11
UM
UT
Severn Tunnel West
pass
1143
pass
1154½
+11
Severn Tunnel East
pass
1146½
pass
1158¼
+11
Pilning [PIL]
1
1
pass
1147½
pass
1159½
+12
Patchway [PWY]
1
pass
1151
pass
1202¾
+11
Bristol Parkway [BPW]
4
1154
1155
1153½
1155½
1205¼
1206¾
+11
UT
UB
Westerleigh Jn
pass
1159½
pass
1212¾
+13
Chipping Sodbury
pass
1201
pass
1214¾
+14
Badminton
pass
1203
pass
1217¾
+14
Hullavington
pass
1206
pass
1221
+15
Little Somerford
pass
1208½
pass
1224
+15
Wootton Bassett Jn
1
pass
1212½
pass
1227¼
+14
UB
UM
Rushey Platt
pass
1216½
pass
1231½
+15
UM
UR
Swindon [SWI]
3
1218
1220
1218
1220
1235¼
1236½
+16
UR
UM
Highworth Jn
pass
1221
pass
1238½
+17
Swindon Stratton Green
pass
1221½
pass
1239
+17
Swindon South Marston Jn
pass
1222
pass
1239¾
+17
Bourton
pass
1223
pass
1241¾
+18
Uffington (Oxfordshire)
pass
1226½
pass
1245¼
+18
Challow
pass
1228
pass
1246½
+18
Wantage Road
1
pass
1229½
pass
1249
+19
Steventon
pass
1232
pass
1250¼
+18
Milton Junction
pass
1232½
pass
1251¼
+18
Foxhall Jn [XJF]
pass
1233½
pass
1252¼
+18
Didcot West End
pass
1234
No report
Didcot Parkway [DID]
2
pass
1234
pass
1253
+19
Didcot East Jn
pass
1234
pass
1253¼
+19
Moreton Cutting
pass
1235
pass
1253½
+18
Cholsey [CHO]
2
pass
1236
pass
1255
+18
Goring & Streatley [GOR]
1
2
pass
1238
pass
1257
+19
ML
Pangbourne [PAN]
pass
1240
pass
1258¾
+18
Tilehurst [TLH]
2
pass
1242
pass
1300
+17
Tilehurst East Jn.
pass
1242½
pass
1300¼
+18
Reading High Level Jn
pass
1243½
pass
1301¾
+18
ML
Reading Main Line West
pass
1244
pass
1302¼
+18
Reading [RDG]
11
1244
1247
1245
1247
1303¼
1304¼
+17
UM
UM
Reading Main Line East
pass
1247½
pass
1305
+17
Kennet Bridge Jn
pass
1248
pass
1305¾
+17
Twyford West
pass
1250½
pass
1308¾
+18
Twyford [TWY]
2
pass
1251
pass
1309½
+18
ML
Ruscombe
pass
1251½
pass
1310
+18
Maidenhead [MAI]
2
pass
1254½
pass
1313¾
+19
Maidenhead East
pass
1255
pass
1313¾
+19
Taplow [TAP]
2
pass
1255½
pass
1314½
+19
Burnham [BNM]
pass
1256
pass
1315
+18
Slough West
pass
1257
pass
1316¼
+19
Slough [SLO]
3
pass
1257½
pass
1317
+19
Dolphin Jn
pass
1258
pass
1317¼
+19
Langley [LNY]
2
pass
1258½
pass
1318¼
+19
Iver [IVR]
2
pass
1259½
pass
1319¼
+20
West Drayton Jcn
pass
1300
pass
1320
+20
West Drayton [WDT]
2
pass
1300
pass
1320½
+20
West Drayton East
pass
1300
pass
1320½
+20
Stockley Junction
pass
1300½
pass
1320¾
+20
ML
ML
Heathrow Airport Jn
pass
1301
pass
1321¼
+20
Hayes & Harlington [HAY]
2
pass
1301
pass
1321½
+20
Southall West Jn
pass
1301½
pass
1322
+20
Southall [STL]
2
pass
1302
pass
1322
+20
ML
Southall East Jn
pass
1302
pass
1322½
+20
Hanwell [HAN]
1
pass
1302½
pass
1323½
+20
West Ealing Junction
pass
1303
pass
1323¾
+21
West Ealing [WEA]
pass
1303
pass
1324
+21
Ealing Broadway [EAL]
2
pass
1303
pass
1324¾
+21
Acton West
1
pass
1303½
pass
1324¾
+21
ML
ML
Acton Main Line [AML]
2
pass
1304½
pass
1325½
+21
Friars Jn
pass
1305
No report
Old Oak Common West
pass
1305½
pass
1326
+20
Old Oak Common East
pass
1306
pass
1326¼
+20
Ladbroke Grove
pass
1307
pass
1327¼
+20
UM
3
Portobello Jn (London)
pass
1307½
pass
1327¾
+20
Royal Oak Junction
pass
1308½
pass
1328¾
+20
London Paddington [PAD]
forms 1B17 to Carmarthen
8
1310
1310
1330¾
+20
3
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