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1B20 0931 London Paddington to Carmarthen
Departing on 14th December 2025

operated by
Great Western Railway
10 coaches
London Paddington - Swansea
800019
800010
5 coaches
Swansea - Carmarthen
800010
GBTT
WTT
RTTRealtime
Route
Location
Pl
Arr
Dep
Arr
Dep
Arr
Dep
Dly
Path
Line
London Paddington [PAD]
Pathed as Class 80x on electric at 125mph
5
0931
0931
0947¼
+16
2
Royal Oak Junction
pass
0932
pass
0948¾
+16
Portobello Jn (London)
pass
0933
pass
0950
+17
Ladbroke Grove
pass
0934
pass
0950¾
+16
2
DM
Old Oak Common East
pass
0934½
pass
0951½
+17
Old Oak Common West
pass
0935
pass
0952¼
+17
Friars Jn
pass
0935½
pass
0952½
+17
Acton Main Line [AML]
pass
0936
pass
0953
+17
Acton West
pass
0936½
pass
0953½
+17
ML
ML
Ealing Broadway [EAL]
1
pass
0937
pass
0954
+17
West Ealing [WEA]
pass
0937½
pass
0954¼
+17
West Ealing Junction
pass
0937½
pass
0954¼
+17
Hanwell [HAN]
pass
0937½
pass
0954¾
+17
Southall East Jn
pass
0938½
pass
0955½
+17
Southall [STL]
1
pass
0938½
pass
0956
+17
Southall West Jn
pass
0939
pass
0956
+17
Hayes & Harlington [HAY]
1
pass
0939½
pass
0956¾
+17
Heathrow Airport Jn
pass
0939½
pass
0956½
+17
ML
Stockley Junction
pass
0940
pass
0957
+17
West Drayton East
pass
0940½
pass
0957½
+17
West Drayton [WDT]
1
pass
0940½
pass
0958
+17
West Drayton Jcn
pass
0940½
pass
0958
+17
Iver [IVR]
1
pass
0941
pass
0958½
+17
Langley [LNY]
1
pass
0942
pass
0959½
+17
Dolphin Jn
pass
0942½
pass
0959¾
+17
Slough [SLO]
2
pass
0943
pass
1000¼
+17
ML
Slough West
pass
0943½
pass
1000½
+17
Burnham [BNM]
pass
0944½
pass
1001¼
+17
Taplow [TAP]
1
pass
0945
pass
1002
+17
Maidenhead East
pass
0945½
pass
1003
+17
Maidenhead [MAI]
1
pass
0946
pass
1003¼
+17
Ruscombe
pass
0949
pass
1005½
+16
Twyford [TWY]
1
1
pass
0949½
pass
1006¼
+16
ML
Twyford West
pass
0950
pass
1006¾
+16
Kennet Bridge Jn
pass
0952½
pass
1009½
+17
Reading Main Line East
pass
0953
pass
1010¼
+17
Reading [RDG]
8
0954
0956
0954
0956
1011½
1013¾
+17
DM
FVL
Reading Main Line West
pass
0957
pass
1014¼
+17
Reading High Level Jn
pass
0957½
pass
1015
+17
FVL
Reading West Jn
pass
0958
pass
1016
+18
FVL
DR
Scours Lane Jn
pass
0958½
pass
1016½
+18
Tilehurst East Jn.
pass
0958½
pass
1017¼
+18
Tilehurst [TLH]
3
pass
0959
pass
1017¼
+18
Pangbourne [PAN]
1
pass
1000½
pass
1019
+18
Goring & Streatley [GOR]
3
pass
1002½
pass
1021¼
+18
RL
Cholsey [CHO]
3
pass
1005½
pass
1023¼
+18
Moreton Cutting
pass
1007½
pass
1025¼
+17
DR
DM
Didcot East Jn
pass
1008½
pass
1026
+17
Didcot Parkway [DID]
1
1010
1012
1009½
1013½
1027½
1029½
+16
RL
Didcot West End
pass
1014
No report
Foxhall Jn [XJF]
1
pass
1014½
pass
1030½
+16
Milton Junction
pass
1017½
pass
1031¼
+13
Steventon
pass
1018
pass
1032¼
+14
Wantage Road
pass
1020
pass
1034¾
+14
Challow
pass
1022
pass
1037
+15
Uffington (Oxfordshire)
1
pass
1023
pass
1038
+15
Bourton
pass
1027
pass
1041
+13
Swindon South Marston Jn
pass
1028½
pass
1042
+13
Swindon Stratton Green
pass
1029½
pass
1042¾
+13
Highworth Jn
pass
1030
pass
1043½
+13
Swindon East Loop
pass
1030
pass
1044½
+14
Swindon [SWI]
3
1030
1032
1031
1033
1046½
1049¾
+16
DM
DM
Wootton Bassett Jn
pass
1038
pass
1055¾
+17
DM
DB
Little Somerford
pass
1042
pass
1100¼
+18
Hullavington
1
pass
1044½
pass
1102½
+18
Badminton
pass
1048
pass
1105½
+17
Chipping Sodbury
pass
1050½
pass
1108½
+18
Westerleigh Jn
pass
1052
pass
1110¾
+18
Bristol Parkway [BPW]
2
1054
1055
1055
1056½
1115½
1117¾
+21
DB
DT
Patchway [PWY]
2
pass
1058
pass
1119¼
+21
Pilning [PIL]
2
pass
1100½
pass
1123
+22
Severn Tunnel East
pass
1101½
pass
1125
+23
Severn Tunnel West
pass
1105
pass
1128¼
+23
Severn Tunnel Junction [STJ]
3
pass
1106
pass
1129¾
+23
DT
DM
Magor
pass
1107½
pass
1131¼
+23
Llanwern West Jn
pass
1111
pass
1135
+24
East Usk Jn.
pass
1111½
pass
1135½
+23
Maindee East Jn
pass
1112½
pass
1136¾
+24
ML
Maindee West Jn
pass
1113
pass
1137½
+24
Newport (South Wales) [NWP]
2
1114
1115
1114
1115½
1138¾
1141
+25
DM
DM
Gaer Jn
pass
1117
pass
1142¾
+25
DM
Ebbw Jn
pass
1118
pass
1143½
+25
DM
DM
Marshfield
pass
1120½
pass
1146¼
+25
Rumney River Bridge Jn
pass
1123½
pass
1148¾
+25
Pengam Jn
pass
1123½
pass
1149¼
+25
Moorland Road Junction
1
pass
1124
pass
1150
+26
DM
UR
Long Dyke Jn
pass
1125½
pass
1150¾
+25
E
Cardiff East
pass
1127
pass
1151¾
+24
UR
D
Cardiff Central [CDF]
Pathed as Class 80x on diesel from here
3
1128
1130
1128
1130½
1153½
1156½
+26
D
D
Cardiff West
pass
1131½
No report
Leckwith North Jn
pass
1133½
pass
1159½
+26
D
DM
St Fagans L C
pass
1135½
pass
1202¼
+26
Miskin
pass
1139½
pass
1206½
+26
Pontyclun [PYC]
1
pass
1141½
pass
1208½
+27
Llantrisant [LTI]
pass
1142
No report
Llanharan [LLR]
2
pass
1143½
pass
1210½
+27
Pencoed [PCD]
1
pass
1145½
pass
1212½
+27
Tremains
pass
1148
pass
1214¾
+27
Bridgend [BGN]
1
1149
1150
1149
1150½
1216¾
1219½
+29
DM
DM
Stormy
pass
1155
pass
1225
+30
Pyle [PYL]
1
pass
1156
pass
1226¼
+30
Margam Moors Jn.
pass
1157½
pass
1227¼
+29
DM
Margam East Jn
pass
1158½
pass
1228¾
+30
Margam Middle Jn
pass
1159
pass
1229
+29
Port Talbot East
pass
1200
No report
Port Talbot Parkway [PTA]
1
1201
1202
1201
1202½
1231¼
1234¼
+31
Baglan [BAJ]
1
pass
1205
pass
1237¼
+32
Briton Ferry East
pass
1205½
pass
1237½
+32
Briton Ferry [BNF]
1
pass
1206½
pass
1238¾
+32
Court Sart Jn
pass
1206½
pass
1238¾
+32
Neath [NTH]
1
1
1209
1210
1208½
1210
1240¾
1242½
+32
Skewen [SKE]
1
pass
1213
pass
1245¾
+32
Llansamlet [LAS]
1
pass
1215½
pass
1247¾
+32
Landore Junction
pass
1218½
pass
1250¾
+32
DM
DSM
Swansea Loop East
pass
1219½
pass
1252
+32
Swansea [SWA]
Pathed as Class 80x on diesel from here
Service divides here, reverses here
3
1221
1232
1221
1232
1254¼
1300
+28
DSM
USM
Swansea Loop East
pass
1233½
pass
1302
+28
USM
DSL
Swansea Loop West
pass
1235½
pass
1303¾
+28
DSL
DM
Cockett West
pass
1239
pass
1308
+29
Gowerton [GWN]
1
pass
1241½
pass
1309¾
+28
Duffryn West
pass
1244½
pass
1312½
+28
Llandeilo Jn
pass
1245
pass
1313
+28
Llanelli [LLE]
1
1248
1249
1247½
1249
1315¼
1316
+27
DD
Pembrey & Burry Port [PBY]
1255
1256
1254½
1256
No report
Kidwelly Junction
pass
1301
No report
Kidwelly [KWL]
2
pass
1301½
No report
Bertwyn Level Crossing
pass
1303
No report
Ferryside [FYS]
1
pass
1305½
No report
Carmarthen Jn [XCI]
pass
1314½
pass
1339
+24
DD
Carmarthen [CMN]
2
1316
1316
1341
+25
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