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1L12 0723 Carmarthen to London Paddington
Departing on 11th December 2025

operated by
Great Western Railway
5 coaches
Carmarthen - Swansea
800024
10 coaches
Swansea - London Paddington
800024
800006
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WTT
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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
0722
-1
U1
Carmarthen Jn [XCI]
pass
0725
pass
0724
-1
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
0754½
0755¾
Llandeilo Jn
pass
0759
pass
0758¼
Duffryn West
pass
0759½
pass
0800½
+1
Gowerton [GWN]
2
pass
0803
pass
0804¼
+1
Cockett West
1
pass
0804½
pass
0806¾
+2
Swansea Loop West
pass
0808½
pass
0810¼
+1
UM
USL
Swansea Loop East
pass
0810½
pass
0812
+1
USL
USM
Swansea [SWA]
Pathed as Class 80x on diesel from here
Service reverses here, gains coaches here
3
0813
0821
0813
0821
0814½
0820½
USM
USM
Swansea Loop East
pass
0822½
pass
0822½
Landore Junction
pass
0823½
pass
0824¼
USM
UM
Llansamlet [LAS]
2
pass
0826½
pass
0827½
+1
Skewen [SKE]
2
pass
0828½
pass
0829¾
+1
Neath [NTH]
2
0832
0834
0831½
0834
0832¼
0834
Briton Ferry West Jn
pass
0836½
pass
0837
Port Talbot Parkway [PTA]
2
0840
0841
0840
0841½
0840¾
0842
Port Talbot East
pass
0842½
No report
Margam Middle Jn
pass
0843½
pass
0843½
Margam East Jn
pass
0844½
pass
0845¼
Margam Moors Jn.
pass
0845½
pass
0846¾
+1
UM
Pyle [PYL]
2
pass
0847
pass
0848½
+1
Stormy
pass
0848½
pass
0850¾
+2
At platform
Bridgend [BGN]
1
2
0853
0854
0852½
0854
0854½
0856¼
+2
UM
UM
Tremains
pass
0855½
pass
0858½
+3
Pencoed Up Passenger Loop
pass
0857½
No report
Pencoed [PCD]
2
pass
0858
pass
0901
+2
Llanharan [LLR]
1
pass
0900½
pass
0903
+2
Llantrisant [LTI]
pass
0902½
No report
Pontyclun [PYC]
1 1
2
pass
0903
pass
0905
+2
Miskin
pass
0905
pass
0907
+1
St Fagans L C
pass
0910
pass
0911
Leckwith North Jn
pass
0913
pass
0913¼
UM
C
Cardiff West
pass
0915½
No report
Cardiff Central [CDF]
Pathed as Class 80x on electric from here
1
0916
0919
0916½
0919
0917½
0924
+5
C
B
Cardiff East
pass
0919½
pass
0925¼
+5
Long Dyke Jn
pass
0921
pass
0926½
+5
B
UM
Moorland Road Junction
pass
0921½
pass
0927¼
+5
Pengam Jn
pass
0922
pass
0927½
+5
Rumney River Bridge Jn
pass
0922
pass
0928
+5
Marshfield
pass
0925
pass
0930½
+5
Ebbw Jn
pass
0927½
pass
0933¼
+5
UM
UM
Gaer Jn
pass
0928½
pass
0933½
+5
UM
Newport (South Wales) [NWP]
1
3
0930
0933
0930
0933
0936
0941¼
+8
UM
UM
Maindee West Jn
pass
0935
pass
0942¾
+7
Maindee East Jn
pass
0935½
pass
0943¼
+8
East Usk Jn.
pass
0936
pass
0944¼
+8
Llanwern West Jn
pass
0937
pass
0945¼
+8
Magor
pass
0941
pass
0948
+7
Severn Tunnel Junction [STJ]
4
pass
0942½
pass
0950¾
+8
UM
UT
Severn Tunnel West
pass
0943½
pass
0951½
+8
Severn Tunnel East
pass
0947
pass
0955
+8
Pilning [PIL]
1
1
pass
0948
pass
0956¼
+8
Patchway [PWY]
1
pass
0951½
pass
0959½
+8
Bristol Parkway [BPW]
3
0953
0956
0953
0956
1002
1007¼
+11
UT
UB
Westerleigh Jn
pass
1000
pass
1011¼
+11
Chipping Sodbury
pass
1001½
pass
1012¾
+11
Badminton
pass
1003½
pass
1015
+11
Hullavington
pass
1006½
pass
1017½
+11
Little Somerford
pass
1009
pass
1020½
+11
Wootton Bassett Jn
1
pass
1013
pass
1023¾
+10
UB
UM
Swindon [SWI]
2
1
1019
1022
1018½
1022½
1030
1032
+9
UR
UM
Highworth Jn
pass
1023½
pass
1034¼
+10
Swindon Stratton Green
pass
1024
pass
1034¾
+10
Swindon South Marston Jn
pass
1025
pass
1035¼
+10
Bourton
pass
1026½
pass
1036¾
+10
Uffington (Oxfordshire)
1
pass
1031
pass
1039½
+8
Challow
pass
1033½
pass
1040¾
+7
Wantage Road
1
pass
1035
pass
1043
+8
Steventon
pass
1037½
pass
1044¼
+7
Milton Junction
pass
1038
pass
1045¼
+7
Foxhall Jn [XJF]
pass
1039
pass
1046¼
+7
Didcot West End
pass
1039½
No report
Didcot Parkway [DID]
2
pass
1039½
pass
1047
+7
Didcot East Jn
pass
1039½
pass
1047¼
+7
Moreton Cutting
pass
1040½
pass
1047¼
+7
Cholsey [CHO]
2
pass
1041½
pass
1049
+7
Goring & Streatley [GOR]
1
2
pass
1043½
pass
1050¾
+7
ML
Pangbourne [PAN]
pass
1045½
pass
1052½
+6
Tilehurst [TLH]
2
pass
1047½
pass
1053½
+6
Tilehurst East Jn.
pass
1048
pass
1053¾
+6
Reading High Level Jn
pass
1049
pass
1055¼
+6
ML
Reading Main Line West
pass
1049½
pass
1056¼
+6
Reading [RDG]
11
1050
1055
1050½
1055½
1057
1058½
+3
UM
UM
Reading Main Line East
pass
1056
pass
1059¼
+3
Kennet Bridge Jn
pass
1056½
pass
1100
+3
Twyford West
pass
1059
pass
1102
+3
Twyford [TWY]
2
pass
1059½
pass
1103
+3
ML
Ruscombe
pass
1100
pass
1103¼
+3
Maidenhead [MAI]
2
pass
1103
pass
1106¼
+3
Maidenhead East
pass
1103½
pass
1106¼
+3
Taplow [TAP]
2
pass
1104
pass
1107
+3
Burnham [BNM]
pass
1104½
pass
1107¼
+2
Slough West
pass
1105½
pass
1108½
+2
Slough [SLO]
3
pass
1106
pass
1109¼
+3
Dolphin Jn
pass
1106½
pass
1109¼
+2
Langley [LNY]
2
pass
1107
pass
1110
+3
Iver [IVR]
2
pass
1108
pass
1110¾
+3
West Drayton Jcn
pass
1108½
pass
1111¼
+2
West Drayton [WDT]
2
pass
1108½
pass
1111½
+3
West Drayton East
pass
1108½
pass
1111½
+3
Stockley Junction
1
pass
1109
pass
1111¾
+2
ML
ML
Heathrow Airport Jn
pass
1110½
pass
1112¼
+1
Hayes & Harlington [HAY]
2
pass
1110½
pass
1112½
+1
Southall West Jn
pass
1111
pass
1113
+2
Southall [STL]
1
2
pass
1111½
pass
1114¾
+3
ML
Southall East Jn
pass
1111½
pass
1115¼
+3
Hanwell [HAN]
1
pass
1112½
pass
1116¼
+3
West Ealing Junction
pass
1113
pass
1116¾
+3
West Ealing [WEA]
pass
1113
pass
1117
+4
Ealing Broadway [EAL]
2
pass
1113½
pass
1117½
+4
Acton West
1
pass
1114
pass
1117¾
+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
1119
+3
Old Oak Common East
pass
1116½
pass
1119½
+3
Ladbroke Grove
pass
1117½
pass
1120½
+3
UM
3
Portobello Jn (London)
pass
1118
pass
1121
+3
Royal Oak Junction
pass
1119
pass
1122
+3
3
2
London Paddington [PAD]
2
1120
1120
1124¼
+4
2
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