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1L12 0723 Carmarthen to London Paddington
Departing on 10th December 2025

operated by
Great Western Railway
5 coaches
Carmarthen - Swansea
800010
10 coaches
Swansea - London Paddington
800010
800033
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
1
0723
0723
0723
U1
Carmarthen Jn [XCI]
pass
0725
pass
0725
UU
Ferryside [FYS]
0734
0735
0734
0735
No report
Kidwelly [KWL]
0741
0741
0740½
0741½
No report
Kidwelly Junction
pass
0742½
No report
Pembrey & Burry Port [PBY]
0748
0749
0747½
0749
No report
Llanelli [LLE]
2
0755
0756
0755
0756½
0755¼
0756½
Llandeilo Jn
pass
0759
pass
0759
Duffryn West
pass
0759½
pass
0759¼
Gowerton [GWN]
2
pass
0803
pass
0802
Cockett West
1
pass
0804½
pass
0804
Swansea Loop West
pass
0808½
pass
0807¾
UM
USL
Swansea Loop East
pass
0810½
pass
0809¾
USL
USM
Swansea [SWA]
Pathed as Class 80x on diesel from here
Service reverses here, gains coaches here
3
0813
0821
0813
0821
0812¼
0820¾
USM
USM
Swansea Loop East
pass
0822½
pass
0822½
Landore Junction
pass
0823½
pass
0823¾
USM
UM
Llansamlet [LAS]
2
pass
0826½
pass
0826¾
Skewen [SKE]
2
pass
0828½
pass
0829
Neath [NTH]
2
0832
0834
0831½
0834
0831½
0833¾
Briton Ferry West Jn
pass
0836½
pass
0836½
Port Talbot Parkway [PTA]
2
0840
0841
0840
0841½
0840
0841¼
Port Talbot East
pass
0842½
No report
Margam Middle Jn
pass
0843½
pass
0842½
Margam East Jn
pass
0844½
pass
0844
Margam Moors Jn.
pass
0845½
pass
0845¼
UM
Pyle [PYL]
2
pass
0847
pass
0846¾
Stormy
pass
0848½
pass
0848½
At platform
Bridgend [BGN]
1
2
0853
0854
0852½
0854
0852¼
0854
UM
UM
Tremains
pass
0855½
pass
0856¼
+1
Pencoed Up Passenger Loop
pass
0857½
No report
Pencoed [PCD]
2
pass
0858
pass
0859½
+1
Llanharan [LLR]
1
pass
0900½
pass
0902
+1
Llantrisant [LTI]
pass
0902½
No report
Pontyclun [PYC]
1 1
2
pass
0903
pass
0904
+1
Miskin
pass
0905
pass
0906
St Fagans L C
pass
0910
pass
0910
Leckwith North Jn
pass
0913
pass
0913
UM
C
Cardiff West
pass
0915½
No report
Cardiff Central [CDF]
Pathed as Class 80x on electric from here
2
0916
0919
0916½
0919
0917
0920
+1
C
B
Cardiff East
pass
0919½
pass
0921¼
+1
Long Dyke Jn
pass
0921
pass
0922¼
+1
B
UM
Moorland Road Junction
pass
0921½
pass
0923¼
+1
Pengam Jn
pass
0922
pass
0923½
+1
Rumney River Bridge Jn
pass
0922
pass
0923¾
+1
Marshfield
pass
0925
pass
0926¼
+1
Ebbw Jn
pass
0927½
pass
0929
+1
UM
UM
Gaer Jn
pass
0928½
pass
0929½
+1
UM
Newport (South Wales) [NWP]
1
3
0930
0933
0930
0933
0931¾
0934½
+1
UM
UM
Maindee West Jn
pass
0935
pass
0936
+1
Maindee East Jn
pass
0935½
pass
0936½
+1
East Usk Jn.
pass
0936
pass
0937¼
+1
Llanwern West Jn
pass
0937
pass
0938¼
+1
Magor
pass
0941
pass
0941¼
Severn Tunnel Junction [STJ]
4
pass
0942½
pass
0943¾
+1
UM
UT
Severn Tunnel West
pass
0943½
pass
0944½
+1
Severn Tunnel East
pass
0947
pass
0948¼
+1
Pilning [PIL]
1
1
pass
0948
pass
0949¼
+1
Patchway [PWY]
1
pass
0951½
pass
0952¼
Bristol Parkway [BPW]
3
0953
0956
0953
0956
0956¼
0958½
+2
UT
UB
Westerleigh Jn
pass
1000
pass
1003
+3
Chipping Sodbury
pass
1001½
pass
1004½
+3
Badminton
pass
1003½
pass
1006¾
+3
Hullavington
pass
1006½
pass
1009¼
+2
Little Somerford
pass
1009
pass
1012¼
+3
Wootton Bassett Jn
1
pass
1013
pass
1015½
+2
UB
UM
Swindon [SWI]
2
1
1019
1022
1018½
1022½
1021½
1023½
+1
UR
UM
Highworth Jn
pass
1023½
pass
1025¾
+2
Swindon Stratton Green
pass
1024
pass
1026¼
+2
Swindon South Marston Jn
pass
1025
pass
1026¾
+1
Bourton
pass
1026½
pass
1028¼
+1
Uffington (Oxfordshire)
1
pass
1031
pass
1031
Challow
pass
1033½
pass
1032
-1
Wantage Road
1
pass
1035
pass
1034½
Steventon
pass
1037½
pass
1035¾
-1
Milton Junction
pass
1038
pass
1036¾
-1
Foxhall Jn [XJF]
pass
1039
pass
1038½
Didcot West End
pass
1039½
No report
Didcot Parkway [DID]
2
pass
1039½
pass
1039½
Didcot East Jn
pass
1039½
pass
1040
Moreton Cutting
pass
1040½
pass
1040¼
Cholsey [CHO]
2
pass
1041½
pass
1042
Goring & Streatley [GOR]
1
2
pass
1043½
pass
1043¾
ML
Pangbourne [PAN]
pass
1045½
pass
1045½
Tilehurst [TLH]
2
pass
1047½
pass
1046½
Tilehurst East Jn.
pass
1048
pass
1046¾
Reading High Level Jn
pass
1049
pass
1048¼
ML
Reading Main Line West
pass
1049½
pass
1049
Reading [RDG]
10
1050
1055
1050½
1055½
1049¾
1054¾
UM
UM
Reading Main Line East
pass
1056
pass
1055½
Kennet Bridge Jn
pass
1056½
pass
1056
Twyford West
pass
1059
pass
1058
Twyford [TWY]
2
pass
1059½
pass
1058¾
ML
Ruscombe
pass
1100
pass
1059
-1
Maidenhead [MAI]
2
pass
1103
pass
1102¼
Maidenhead East
pass
1103½
pass
1102¼
Taplow [TAP]
2
pass
1104
pass
1103
Burnham [BNM]
pass
1104½
pass
1103¼
-1
Slough West
pass
1105½
pass
1104¼
-1
Slough [SLO]
3
pass
1106
pass
1105
Dolphin Jn
pass
1106½
pass
1105¼
-1
Langley [LNY]
2
pass
1107
pass
1106
Iver [IVR]
2
pass
1108
pass
1107
West Drayton Jcn
pass
1108½
pass
1108¾
West Drayton [WDT]
2
pass
1108½
pass
1109½
+1
West Drayton East
pass
1108½
pass
1110
+1
Stockley Junction
1
pass
1109
pass
1110¾
+1
ML
ML
Heathrow Airport Jn
pass
1110½
pass
1112¾
+2
Hayes & Harlington [HAY]
2
pass
1110½
pass
1113¼
+2
Southall West Jn
pass
1111
pass
1114¼
+3
Southall [STL]
1
2
pass
1111½
pass
1114¼
+2
ML
Southall East Jn
pass
1111½
pass
1114¾
+3
Hanwell [HAN]
1
pass
1112½
pass
1115¾
+3
West Ealing Junction
pass
1113
pass
1116
+3
West Ealing [WEA]
pass
1113
pass
1116¼
+3
Ealing Broadway [EAL]
2
pass
1113½
pass
1117
+3
Acton West
1
pass
1114
pass
1117
+3
ML
ML
Acton Main Line [AML]
2
pass
1115
pass
1118½
+3
Friars Jn
pass
1115½
No report
Old Oak Common West
pass
1116
pass
1120
+4
Old Oak Common East
pass
1116½
pass
1120½
+4
Ladbroke Grove
pass
1117½
pass
1121½
+4
UM
2
Portobello Jn (London)
pass
1118
pass
1122
+4
2
1
Royal Oak Junction
pass
1119
pass
1123¼
+4
London Paddington [PAD]
4
1120
1120
1125½
+5
1
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