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1L16 0921 Carmarthen to London Paddington
Departing on 4th December 2025

operated by
Great Western Railway
5 coaches
Carmarthen - Swansea
800015
15 coaches
Swansea - London Paddington
800015
800019
800023
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
0934
+13
U2
Carmarthen Jn [XCI]
pass
0923
pass
0935
+12
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
0959¾
1001¼
+11
Llandeilo Jn
pass
0952
pass
1003¾
+11
Duffryn West
pass
0952½
pass
1004
+11
Gowerton [GWN]
2
pass
0956
pass
1006¾
+11
Cockett West
1
pass
0957½
pass
1008½
+11
Swansea Loop West
1
pass
1001½
pass
1012½
+11
UM
USL
Swansea Loop East
pass
1004½
pass
1014½
+10
USL
USM
Swansea [SWA]
Pathed as Class 80x on diesel from here
Service reverses here, gains coaches here
3
1007
1022
1007
1022
1017¼
1022¾
USM
USM
Swansea Loop East
pass
1023½
pass
1024¾
+1
Landore Junction
pass
1024½
pass
1026
+1
USM
UM
Llansamlet [LAS]
2
pass
1027½
pass
1028¾
+1
Skewen [SKE]
2
pass
1029½
pass
1031
+1
Neath [NTH]
2
1033
1035
1032½
1035
1033½
1036
+1
Briton Ferry West Jn
pass
1037½
pass
1039
+1
Port Talbot Parkway [PTA]
2
1041
1042
1041
1042½
1042½
1044¼
+1
Port Talbot East
pass
1043½
No report
Margam Middle Jn
pass
1044½
pass
1045¾
+1
Margam East Jn
pass
1045½
pass
1047¼
+1
Margam Moors Jn.
pass
1046½
pass
1048¾
+2
UM
Pyle [PYL]
2
pass
1048
pass
1050¼
+2
Stormy
pass
1049½
pass
1052¼
+2
At platform
Bridgend [BGN]
2
1054
1055
1053½
1055
1056
1058
+3
UM
UM
Tremains
pass
1056
pass
1100¼
+4
Pencoed Up Passenger Loop
pass
1058½
No report
Pencoed [PCD]
2
pass
1059
pass
1102½
+3
Llanharan [LLR]
1
pass
1101
pass
1104¼
+3
Llantrisant [LTI]
pass
1102½
No report
Pontyclun [PYC]
1
2
pass
1103
pass
1106½
+3
Miskin
pass
1105
pass
1108½
+3
St Fagans L C
pass
1109½
pass
1112¼
+2
Leckwith North Jn
pass
1112
pass
1114¾
+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
1117¾
1120½
+2
C
B
Cardiff East
pass
1118½
pass
1121¾
+3
Long Dyke Jn
pass
1120
pass
1122¾
+2
B
UM
Moorland Road Junction
pass
1120½
pass
1123¾
+3
Pengam Jn
pass
1121
pass
1124
+3
Rumney River Bridge Jn
pass
1121
pass
1124¼
+3
Marshfield
pass
1124
pass
1127
+3
Ebbw Jn
pass
1126½
pass
1129¾
+3
UM
UM
Gaer Jn
pass
1127½
pass
1130
+2
UM
Newport (South Wales) [NWP]
3
1129
1131
1129
1131
1132½
1134¾
+3
UM
UM
Maindee West Jn
pass
1132
pass
1136¼
+4
Maindee East Jn
pass
1132½
pass
1136¾
+4
East Usk Jn.
pass
1133
pass
1137¾
+4
Llanwern West Jn
2½
pass
1134
pass
1138¾
+4
Magor
pass
1139½
pass
1141¾
+2
Severn Tunnel Junction [STJ]
4
pass
1142
pass
1144½
+2
UM
UT
Severn Tunnel West
pass
1143
pass
1145¼
+2
Severn Tunnel East
pass
1146½
pass
1148¾
+2
Pilning [PIL]
1
1
pass
1147½
pass
1149¾
+2
Patchway [PWY]
1
pass
1151
pass
1153
+2
Bristol Parkway [BPW]
4
1154
1155
1153½
1155½
1156
1157¾
+2
UT
UB
Westerleigh Jn
pass
1159½
pass
1202¼
+2
Chipping Sodbury
pass
1201
pass
1203¾
+3
Badminton
pass
1203
pass
1206
+3
Hullavington
pass
1206
pass
1208½
+2
Little Somerford
pass
1208½
pass
1211½
+3
Wootton Bassett Jn
1
pass
1212½
pass
1214¾
+2
UB
UM
Swindon [SWI]
3
1218
1220
1218
1220
1220¾
1222
+2
UR
UM
Highworth Jn
pass
1221
pass
1223¾
+2
Swindon Stratton Green
pass
1221½
pass
1224¼
+3
Swindon South Marston Jn
pass
1222
pass
1224½
+2
Bourton
pass
1223
pass
1226
+2
Uffington (Oxfordshire)
pass
1226½
pass
1229
+2
Challow
pass
1228
pass
1230
+2
Wantage Road
1
pass
1229½
pass
1232½
+3
Steventon
pass
1232
pass
1233¾
+2
Milton Junction
pass
1232½
pass
1234¾
+2
Foxhall Jn [XJF]
pass
1233½
pass
1235¾
+2
Didcot West End
pass
1234
No report
Didcot Parkway [DID]
2
pass
1234
pass
1236½
+2
Didcot East Jn
pass
1234
pass
1236½
+2
Moreton Cutting
pass
1235
pass
1236¾
+2
Cholsey [CHO]
2
pass
1236
pass
1238¼
+2
Goring & Streatley [GOR]
1
2
pass
1238
pass
1240¼
+2
ML
Pangbourne [PAN]
pass
1240
pass
1242
+1
Tilehurst [TLH]
2
pass
1242
pass
1243
+1
Tilehurst East Jn.
pass
1242½
pass
1243¼
+1
Reading High Level Jn
pass
1243½
pass
1244¾
+1
ML
Reading Main Line West
pass
1244
pass
1245¼
+1
Reading [RDG]
10
1244
1247
1245
1247
1246
1248¼
+1
UM
UM
Reading Main Line East
pass
1247½
pass
1249
+1
Kennet Bridge Jn
pass
1248
pass
1249½
+1
Twyford West
pass
1250½
pass
1251½
+1
Twyford [TWY]
2
pass
1251
pass
1252½
+1
ML
Ruscombe
pass
1251½
pass
1252¾
+1
Maidenhead [MAI]
2
pass
1254½
pass
1255¾
+1
Maidenhead East
pass
1255
pass
1255¾
+1
Taplow [TAP]
2
pass
1255½
pass
1256½
+1
Burnham [BNM]
pass
1256
pass
1256¾
Slough West
pass
1257
pass
1257¾
Slough [SLO]
3
pass
1257½
pass
1258½
+1
Dolphin Jn
pass
1258
pass
1258¾
Langley [LNY]
2
pass
1258½
pass
1259½
+1
Iver [IVR]
2
pass
1259½
pass
1300¼
+1
West Drayton Jcn
pass
1300
pass
1300½
West Drayton [WDT]
2
pass
1300
pass
1301
+1
West Drayton East
pass
1300
pass
1301
Stockley Junction
pass
1300½
pass
1301¼
ML
ML
Heathrow Airport Jn
pass
1301
pass
1301½
Hayes & Harlington [HAY]
2
pass
1301
pass
1302
Southall West Jn
pass
1301½
pass
1302¼
Southall [STL]
2
pass
1302
pass
1302¼
ML
Southall East Jn
pass
1302
pass
1302½
Hanwell [HAN]
1
pass
1302½
pass
1303½
West Ealing Junction
pass
1303
pass
1303¾
+1
West Ealing [WEA]
pass
1303
pass
1304
+1
Ealing Broadway [EAL]
2
pass
1303
pass
1304½
+1
Acton West
1
pass
1303½
pass
1304¾
+1
ML
ML
Acton Main Line [AML]
2
pass
1304½
pass
1305½
+1
Friars Jn
pass
1305
No report
Old Oak Common West
pass
1305½
pass
1306
Old Oak Common East
pass
1306
pass
1306¼
Ladbroke Grove
pass
1307
pass
1307¼
UM
3
Portobello Jn (London)
pass
1307½
pass
1307¾
Royal Oak Junction
pass
1308½
pass
1308¾
London Paddington [PAD]
9
1310
1310
1311¾
+1
3
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