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1L12 0724 Carmarthen to London Paddington
Departing on 13th December 2025

operated by
Great Western Railway
5 coaches
Carmarthen - Swansea
800026
10 coaches
Swansea - London Paddington
800026
800016
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
0724
0724
0724
U1
Carmarthen Jn [XCI]
pass
0726
pass
0726
UU
Ferryside [FYS]
0735
0736
0735
0736
No report
Kidwelly [KWL]
0742
0742
0741½
0742½
No report
Kidwelly Junction
pass
0743½
No report
Pembrey & Burry Port [PBY]
0749
0750
0748½
0750
No report
Llanelli [LLE]
2
0756
0757
0756
0757½
0755½
0756¾
Llandeilo Jn
pass
0800
pass
0759
Duffryn West
pass
0800½
pass
0759½
Gowerton [GWN]
2
pass
0804
pass
0802¼
-1
Cockett West
1
pass
0805½
pass
0804
-1
Swansea Loop West
pass
0809½
pass
0808
-1
UM
USL
Swansea Loop East
pass
0811½
pass
0809¾
-1
USL
USM
Swansea [SWA]
Pathed as Class 80x on diesel from here
joins with 5L12 from Swansea Maliphant Iep Dpt
Service reverses here, gains coaches here
3
0814
0822
0814
0822
0812¼
0821¼
USM
USM
Swansea Loop East
pass
0823½
pass
0823¼
Landore Junction
pass
0824½
pass
0824½
USM
UM
Llansamlet [LAS]
2
pass
0827½
pass
0827½
Skewen [SKE]
2
pass
0829½
pass
0829¾
Neath [NTH]
2
0833
0834
0832½
0834
0832¼
0834
Briton Ferry West Jn
pass
0836½
pass
0836¾
Port Talbot Parkway [PTA]
2
0840
0842
0840
0842
0840½
0842
Port Talbot East
pass
0843
No report
Margam Middle Jn
pass
0844
pass
0843½
Margam East Jn
pass
0845
pass
0845
Margam Moors Jn.
pass
0846
pass
0846½
UM
Pyle [PYL]
2
pass
0847½
pass
0848
Stormy
pass
0849
pass
0850¼
+1
At platform
Bridgend [BGN]
2
0853
0856
0853
0856½
0854
0856
UM
UM
Tremains
pass
0857½
pass
0858¼
Pencoed Up Passenger Loop
pass
0900
No report
Pencoed [PCD]
2
pass
0900½
pass
0900½
Llanharan [LLR]
1
pass
0902½
pass
0902½
Llantrisant [LTI]
pass
0904
No report
Pontyclun [PYC]
1
2
pass
0904½
pass
0904½
Miskin
pass
0906½
pass
0906½
St Fagans L C
pass
0911
pass
0910½
Leckwith North Jn
pass
0913½
pass
0912¾
UM
C
Cardiff West
pass
0916
No report
Cardiff Central [CDF]
Pathed as Class 80x on electric from here
1
0917
0919
0917
0919
0916
0919½
C
B
Cardiff East
pass
0919½
pass
0920¾
+1
Long Dyke Jn
pass
0921
pass
0922
+1
B
UM
Moorland Road Junction
pass
0921½
pass
0923
+1
Pengam Jn
pass
0922
pass
0923¼
+1
Rumney River Bridge Jn
pass
0922
pass
0923½
+1
Marshfield
pass
0925
pass
0926¼
+1
Ebbw Jn
pass
0927½
pass
0928¾
+1
UM
UM
Gaer Jn
pass
0928½
pass
0929¼
UM
Newport (South Wales) [NWP]
1
3
0930
0933
0930
0933½
0931½
0934
UM
UM
Maindee West Jn
pass
0935½
pass
0935½
Maindee East Jn
pass
0936
pass
0936
East Usk Jn.
pass
0936½
pass
0937
Llanwern West Jn
pass
0937½
pass
0938
Magor
pass
0941½
pass
0941
Severn Tunnel Junction [STJ]
4
pass
0943
pass
0943¾
UM
UT
Severn Tunnel West
pass
0944
pass
0944½
Severn Tunnel East
pass
0947½
pass
0948
Pilning [PIL]
1
1
pass
0948½
pass
0949¼
Patchway [PWY]
1
pass
0952
pass
0952¼
Bristol Parkway [BPW]
3
0954
0957
0953½
0957
0954½
0957
UT
UB
Westerleigh Jn
pass
1000½
pass
1001
Chipping Sodbury
pass
1002
pass
1002½
Badminton
pass
1004
pass
1005
Hullavington
pass
1007
pass
1007½
Little Somerford
pass
1009½
pass
1010½
Wootton Bassett Jn
1
pass
1013½
pass
1014½
+1
UB
UM
Swindon [SWI]
3
1019
1021
1019
1021
1021¼
1023
+2
UR
UM
Highworth Jn
pass
1022
pass
1025
+3
Swindon Stratton Green
pass
1022½
pass
1025½
+3
Swindon South Marston Jn
pass
1023
pass
1025¾
+2
Bourton
pass
1024
pass
1027¼
+3
Uffington (Oxfordshire)
pass
1027½
pass
1030
+2
Challow
pass
1029
pass
1031
+2
Wantage Road
1
pass
1030½
pass
1033½
+3
Steventon
pass
1033
pass
1034¾
+1
Milton Junction
pass
1033½
pass
1035¾
+2
Foxhall Jn [XJF]
pass
1034½
pass
1036¾
+2
Didcot West End
pass
1035
No report
Didcot Parkway [DID]
2
pass
1035
pass
1037¾
+2
Didcot East Jn
pass
1035
pass
1038
+3
Moreton Cutting
pass
1036
pass
1038¼
+2
Cholsey [CHO]
2
pass
1037
pass
1040
+2
Goring & Streatley [GOR]
1
2
pass
1039
pass
1041¾
+2
ML
Pangbourne [PAN]
pass
1041
pass
1043¾
+2
Tilehurst [TLH]
2
pass
1043
pass
1044¾
+1
Tilehurst East Jn.
pass
1043½
pass
1044¾
+1
Reading High Level Jn
pass
1044½
pass
1046¼
+1
ML
Reading Main Line West
pass
1045
pass
1046¾
+1
Reading [RDG]
10
1046
1050
1046
1050
1047½
1049½
UM
UM
Reading Main Line East
pass
1050½
pass
1050¼
Kennet Bridge Jn
pass
1051
pass
1051
Twyford West
pass
1053½
pass
1053¼
Twyford [TWY]
2
pass
1054
pass
1054¼
ML
Ruscombe
pass
1054½
pass
1054½
Maidenhead [MAI]
2
pass
1057½
pass
1057½
Maidenhead East
pass
1058
pass
1057½
Taplow [TAP]
2
pass
1058½
pass
1058¼
Burnham [BNM]
pass
1059
pass
1058½
Slough West
pass
1100
pass
1059¾
Slough [SLO]
3
pass
1100½
pass
1100½
Dolphin Jn
pass
1101
pass
1100¾
Langley [LNY]
2
pass
1101½
pass
1101¼
Iver [IVR]
2
pass
1102½
pass
1102
West Drayton Jcn
pass
1103
pass
1102½
West Drayton [WDT]
2
pass
1103
pass
1102¾
West Drayton East
pass
1103
pass
1102¾
Stockley Junction
pass
1103½
pass
1103
ML
ML
Heathrow Airport Jn
pass
1104
pass
1103½
Hayes & Harlington [HAY]
2
pass
1104
pass
1103¾
Southall West Jn
pass
1104½
pass
1104
Southall [STL]
2
pass
1105
pass
1104
ML
Southall East Jn
pass
1105
pass
1104¼
Hanwell [HAN]
1
pass
1105½
pass
1105¼
West Ealing Junction
pass
1106
pass
1105¾
West Ealing [WEA]
pass
1106
pass
1106
Ealing Broadway [EAL]
2
pass
1106
pass
1108
+1
Acton West
1 2
pass
1106½
pass
1108¾
+2
ML
ML
Acton Main Line [AML]
2
pass
1108
pass
1109¾
+2
Friars Jn
pass
1109
No report
Old Oak Common West
pass
1109½
pass
1110¾
+1
Old Oak Common East
pass
1110½
pass
1112¼
+1
Ladbroke Grove
½
pass
1112
pass
1113½
+1
UM
3
Portobello Jn (London)
pass
1113
pass
1114¼
+1
Royal Oak Junction
pass
1114
pass
1115½
+1
3
2
London Paddington [PAD]
1
1115
1115
1117½
+2
2
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