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1L16 0921 Carmarthen to London Paddington
Departing on 9th December 2025

operated by
Great Western Railway
5 coaches
Carmarthen - Swansea
800018
10 coaches
Swansea - London Paddington
800018
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
0922
-1
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
0947
0948¾
Llandeilo Jn
pass
0952
pass
0951¼
Duffryn West
pass
0952½
pass
0951¾
Gowerton [GWN]
2
pass
0956
pass
0954½
-1
Cockett West
1
pass
0957½
pass
0956¼
-1
Swansea Loop West
1
pass
1001½
pass
1000
-1
UM
USL
Swansea Loop East
pass
1004½
pass
1006
+1
USL
USM
Swansea [SWA]
Pathed as Class 80x on diesel from here
Service reverses here, gains coaches here
3
1007
1022
1007
1022
1008¾
1022¼
USM
USM
Swansea Loop East
pass
1023½
pass
1024¼
Landore Junction
pass
1024½
pass
1025½
+1
USM
UM
Llansamlet [LAS]
2
pass
1027½
pass
1028¼
Skewen [SKE]
2
pass
1029½
pass
1030½
Neath [NTH]
2
1033
1035
1032½
1035
1033
1035
Briton Ferry West Jn
pass
1037½
pass
1037¾
Port Talbot Parkway [PTA]
2
1041
1042
1041
1042½
1041¼
1042½
Port Talbot East
pass
1043½
No report
Margam Middle Jn
pass
1044½
pass
1044
Margam East Jn
pass
1045½
pass
1045½
Margam Moors Jn.
pass
1046½
pass
1046¾
UM
Pyle [PYL]
2
pass
1048
pass
1048¼
Stormy
pass
1049½
pass
1050
At platform
Bridgend [BGN]
2
1054
1055
1053½
1055
1054
1055¾
UM
UM
Tremains
pass
1056
pass
1057¾
+1
Pencoed Up Passenger Loop
pass
1058½
No report
Pencoed [PCD]
2
pass
1059
pass
1100
+1
Llanharan [LLR]
1
pass
1101
pass
1101¾
Llantrisant [LTI]
pass
1102½
No report
Pontyclun [PYC]
1
2
pass
1103
pass
1104
+1
Miskin
pass
1105
pass
1105¾
St Fagans L C
pass
1109½
pass
1109¾
Leckwith North Jn
pass
1112
pass
1112
UM
C
Cardiff West
pass
1114½
No report
Cardiff Central [CDF]
Pathed as Class 80x on electric from here
2
1115
1118
1115½
1118
1115
1118
C
B
Cardiff East
pass
1118½
pass
1119
Long Dyke Jn
pass
1120
pass
1120¼
B
UM
Moorland Road Junction
pass
1120½
pass
1121
Pengam Jn
pass
1121
pass
1121¼
Rumney River Bridge Jn
pass
1121
pass
1121½
Marshfield
pass
1124
pass
1124¼
Ebbw Jn
pass
1126½
pass
1127
UM
UM
Gaer Jn
pass
1127½
pass
1127¼
UM
Newport (South Wales) [NWP]
3
1129
1131
1129
1131
1129½
1131½
UM
UM
Maindee West Jn
pass
1132
pass
1133
+1
Maindee East Jn
pass
1132½
pass
1133½
+1
East Usk Jn.
pass
1133
pass
1134½
+1
Llanwern West Jn
2½
pass
1134
pass
1135½
+1
Magor
pass
1139½
pass
1138¼
-1
Severn Tunnel Junction [STJ]
4
pass
1142
pass
1141
UM
UT
Severn Tunnel West
pass
1143
pass
1141¾
-1
Severn Tunnel East
pass
1146½
pass
1145¼
-1
Pilning [PIL]
1
1
pass
1147½
pass
1146½
-1
Patchway [PWY]
1
pass
1151
pass
1149¾
-1
Bristol Parkway [BPW]
4
1154
1155
1153½
1155½
1152¼
1154¼
-1
UT
UB
Westerleigh Jn
pass
1159½
pass
1159
Chipping Sodbury
pass
1201
pass
1200½
Badminton
pass
1203
pass
1203
Hullavington
pass
1206
pass
1205½
Little Somerford
pass
1208½
pass
1208½
Wootton Bassett Jn
1
pass
1212½
pass
1211¾
UB
UM
Swindon [SWI]
3
1218
1220
1218
1220
1218½
1219½
UR
UM
Highworth Jn
pass
1221
pass
1221¼
Swindon Stratton Green
pass
1221½
pass
1221¾
Swindon South Marston Jn
pass
1222
pass
1222¼
Bourton
pass
1223
pass
1223½
Uffington (Oxfordshire)
pass
1226½
pass
1226½
Challow
pass
1228
pass
1227½
Wantage Road
1
pass
1229½
pass
1230
Steventon
pass
1232
pass
1231¼
Milton Junction
pass
1232½
pass
1232¾
Foxhall Jn [XJF]
pass
1233½
pass
1235¾
+2
Didcot West End
pass
1234
No report
Didcot Parkway [DID]
2
pass
1234
pass
1238
+4
Didcot East Jn
pass
1234
pass
1239½
+5
Moreton Cutting
pass
1235
pass
1241¼
+6
Cholsey [CHO]
2
pass
1236
pass
1243¼
+7
Goring & Streatley [GOR]
1
2
pass
1238
pass
1245¼
+7
ML
Pangbourne [PAN]
pass
1240
pass
1248¾
+8
Tilehurst [TLH]
2
pass
1242
pass
1250¼
+8
Tilehurst East Jn.
pass
1242½
pass
1250½
+8
Reading High Level Jn
pass
1243½
pass
1252
+8
ML
Reading Main Line West
pass
1244
pass
1252½
+8
Reading [RDG]
11
1244
1247
1245
1247
1253½
1255½
+8
UM
UM
Reading Main Line East
pass
1247½
pass
1256
+8
Kennet Bridge Jn
pass
1248
pass
1256¾
+8
Twyford West
pass
1250½
pass
1259¼
+8
Twyford [TWY]
2
pass
1251
pass
1300¼
+9
ML
Ruscombe
pass
1251½
pass
1300½
+8
Maidenhead [MAI]
2
pass
1254½
pass
1303¾
+9
Maidenhead East
pass
1255
pass
1303¾
+9
Taplow [TAP]
2
pass
1255½
pass
1304¾
+9
Burnham [BNM]
pass
1256
pass
1305
+8
Slough West
pass
1257
pass
1307¼
+10
Slough [SLO]
3
pass
1257½
pass
1308¼
+10
Dolphin Jn
pass
1258
pass
1308½
+10
Langley [LNY]
2
pass
1258½
pass
1309¼
+10
Iver [IVR]
2
pass
1259½
pass
1310¼
+11
West Drayton Jcn
pass
1300
pass
1311¼
+11
West Drayton [WDT]
2
pass
1300
pass
1312
+12
West Drayton East
pass
1300
pass
1312
+12
Stockley Junction
pass
1300½
pass
1312½
+12
ML
ML
Heathrow Airport Jn
pass
1301
pass
1313¼
+12
Hayes & Harlington [HAY]
2
pass
1301
pass
1313¾
+12
Southall West Jn
pass
1301½
pass
1314¼
+12
Southall [STL]
2
pass
1302
pass
1314¼
+12
ML
Southall East Jn
pass
1302
pass
1314½
+12
Hanwell [HAN]
1
pass
1302½
pass
1315½
+12
West Ealing Junction
pass
1303
pass
1315¾
+13
West Ealing [WEA]
pass
1303
pass
1316
+13
Ealing Broadway [EAL]
2
pass
1303
pass
1316¾
+13
Acton West
1
pass
1303½
pass
1316¾
+13
ML
ML
Acton Main Line [AML]
2
pass
1304½
pass
1317¾
+13
Friars Jn
pass
1305
No report
Old Oak Common West
pass
1305½
pass
1318¾
+13
Old Oak Common East
pass
1306
pass
1319¼
+13
Ladbroke Grove
pass
1307
pass
1320¼
+13
UM
2
Portobello Jn (London)
pass
1307½
pass
1320¾
+13
2
1
Royal Oak Junction
pass
1308½
pass
1322
+13
London Paddington [PAD]
1
1310
1310
1323¾
+13
1
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