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1B03 0648 London Paddington to Carmarthen
Departing on 12th December 2025

operated by
Great Western Railway
10 coaches
London Paddington - Swansea
800007
800016
5 coaches
Swansea - Carmarthen
800016
GBTT
WTT
RTTRealtime
Route
Mi.Ch
Location
Pl
Arr
Dep
Arr
Dep
Arr
Dep
Dly
Path
Line
0.00
London Paddington [PAD]
Pathed as Class 80x on electric at 125mph
5
0648
0648
0659½
+11
3
0.41
Royal Oak Junction
pass
0649
pass
0700½
+11
3
4
1.28
Portobello Jn (London)
pass
0650½
pass
0701¾
+11
1.68
Ladbroke Grove
pass
0651
pass
0702½
+11
4
DR
2.55
Old Oak Common East
pass
0651½
pass
0703¼
+11
3.15
Old Oak Common West
pass
0652
pass
0704
+12
3.48
Friars Jn
pass
0652½
pass
0704¾
+12
4.16
Acton Main Line [AML]
3
pass
0653
pass
0706¾
+13
4.75
Acton West
pass
0653½
pass
0707¾
+14
DR
DM
5.51
Ealing Broadway [EAL]
1
pass
0654
pass
0708
+14
6.41
West Ealing [WEA]
pass
0654½
pass
0709
+14
6.49
West Ealing Junction
pass
0654½
pass
0709
+14
7.23
Hanwell [HAN]
pass
0654½
pass
0709¼
+14
8.57
Southall East Jn
pass
0655½
pass
0710¼
+14
9.01
Southall [STL]
1
pass
0655½
pass
0710¾
+15
9.65
Southall West Jn
pass
0656
pass
0710¾
+14
10.66
Hayes & Harlington [HAY]
1
pass
0656½
pass
0711½
+15
11.09
Heathrow Airport Jn
pass
0656½
pass
0711¼
+14
ML
12.04
Stockley Junction
pass
0657
pass
0711¾
+14
12.62
West Drayton East
pass
0657½
pass
0712¼
+14
13.12
West Drayton [WDT]
1
pass
0657½
pass
0712¾
+15
13.26
West Drayton Jcn
pass
0657½
pass
0712¾
+15
14.55
Iver [IVR]
1
pass
0658
pass
0713¼
+15
16.13
Langley [LNY]
1
pass
0659
pass
0714¼
+15
17.13
Dolphin Jn
pass
0659½
pass
0714½
+15
18.31
Slough [SLO]
2
pass
0700
pass
0715
+15
ML
19.06
Slough West
pass
0700½
pass
0715¼
+15
20.72
Burnham [BNM]
pass
0701½
pass
0716
+14
22.34
Taplow [TAP]
1
pass
0702
pass
0716¾
+14
23.53
Maidenhead East
pass
0702½
pass
0717¾
+15
24.14
Maidenhead [MAI]
1
pass
0703
pass
0718
+15
29.40
Ruscombe
pass
0706
pass
0720¼
+14
30.76
Twyford [TWY]
1
1
pass
0706½
pass
0721
+14
ML
31.57
Twyford West
pass
0707
pass
0721½
+14
35.10
Kennet Bridge Jn
pass
0709½
pass
0723¾
+14
35.56
Reading Main Line East
pass
0710
pass
0724¼
+14
35.75
Reading [RDG]
9
0711
0713
0711
0713
0725½
0726¾
+13
DM
DM
36.12
Reading Main Line West
pass
0713½
pass
0727½
+13
36.45
Reading High Level Jn
pass
0714
pass
0728¼
+14
ML
38.29
Tilehurst East Jn.
pass
0715
pass
0730
+15
38.47
Tilehurst [TLH]
1
pass
0715
pass
0730½
+15
41.38
Pangbourne [PAN]
pass
0717
pass
0732½
+15
44.55
Goring & Streatley [GOR]
1
1
pass
0719
pass
0734¼
+15
ML
48.32
Cholsey [CHO]
1
pass
0721
pass
0736
+14
51.32
Moreton Cutting
pass
0723
pass
0737¼
+14
52.61
Didcot East Jn
pass
0724
pass
0737¾
+14
53.05
Didcot Parkway [DID]
1
pass
0724
pass
0738¼
+14
53.20
Didcot West End
pass
0724
No report
53.50
Foxhall Jn [XJF]
pass
0724½
pass
0738½
+14
55.14
Milton Junction
pass
0725
pass
0739
+13
56.27
Steventon
pass
0726
pass
0739¾
+14
60.17
Wantage Road
pass
0728
pass
0742¼
+14
63.75
Challow
pass
0730
pass
0744¼
+14
66.34
Uffington (Oxfordshire)
1
pass
0731
pass
0745½
+14
72.25
Bourton
pass
0734½
pass
0748¼
+13
74.46
Swindon South Marston Jn
pass
0736
pass
0749½
+13
75.58
Swindon Stratton Green
pass
0736½
pass
0750¼
+13
76.27
Highworth Jn
pass
0737
pass
0750½
+13
76.59
Swindon East Loop
pass
0737
pass
0751½
+14
77.18
Swindon [SWI]
4
0737
0740
0738
0740½
0752½
0754
+13
DM
DM
82.67
Wootton Bassett Jn
pass
0745
pass
0759
+14
DM
DB
89.57
Little Somerford
pass
0749
pass
0803
+14
94.16
Hullavington
1
pass
0751½
pass
0805½
+14
99.76
Badminton
pass
0755
pass
0807¾
+13
104.40
Chipping Sodbury
pass
0757½
pass
0810¾
+13
107.09
Westerleigh Jn
pass
0759
pass
0812½
+13
111.57
Bristol Parkway [BPW]
2
0801
0804
0802
0804
0816½
0818¾
+14
DB
DT
112.79
Patchway [PWY]
1½
2
pass
0805½
pass
0820½
+15
116.45
Pilning [PIL]
2
pass
0809½
pass
0823½
+14
118.03
Severn Tunnel East
pass
0810½
pass
0824½
+14
122.31
Severn Tunnel West
pass
0814
pass
0827¾
+13
123.41
Severn Tunnel Junction [STJ]
3
pass
0815
pass
0829¼
+14
DT
DM
125.66
Magor
pass
0816½
pass
0830¾
+14
130.72
Llanwern West Jn
2
pass
0820
pass
0834½
+14
131.63
East Usk Jn.
pass
0821½
pass
0835
+13
132.55
Maindee East Jn
pass
0823½
pass
0836
+12
132.77
Maindee West Jn
pass
0824
pass
0836¾
+12
133.31
Newport (South Wales) [NWP]
2
0825
0827
0825
0827
0838
0839½
+12
DM
DM
134.13
Gaer Jn
pass
0828½
pass
0841¼
+12
DM
134.68
Ebbw Jn
pass
0829½
pass
0842
+12
DM
DM
138.41
Marshfield
1
pass
0832
pass
0844¾
+12
142.42
Rumney River Bridge Jn
pass
0835½
pass
0847
+11
143.01
Pengam Jn
pass
0836
pass
0847½
+11
143.46
Moorland Road Junction
pass
0836½
pass
0848
+11
144.16
Long Dyke Jn
1
pass
0837
pass
0848¾
+11
E
144.79
Cardiff East
pass
0839
pass
0850
+10
DM
E
145.11
Cardiff Central [CDF]
Pathed as Class 80x on diesel from here
4
0839
0842
0840
0842
0851¼
0853¼
+11
E
D
145.37
Cardiff West
pass
0843
No report
146.36
Leckwith North Jn
pass
0845
pass
0856½
+11
D
DM
149.14
St Fagans L C
pass
0847
pass
0858¾
+11
154.08
Miskin
pass
0851
pass
0902¾
+11
156.21
Pontyclun [PYC]
1
pass
0853
pass
0904¾
+11
156.57
Llantrisant [LTI]
pass
0853½
No report
158.53
Llanharan [LLR]
2
pass
0855
pass
0906¾
+12
161.41
Pencoed [PCD]
1
pass
0857
pass
0908¾
+11
164.42
Tremains
pass
0859½
pass
0910½
+11
165.26
Bridgend [BGN]
1
0901
0902
0900½
0902
0912¼
0913¾
+11
DM
DM
169.46
Stormy
pass
0906½
pass
0918¾
+12
171.21
Pyle [PYL]
1
pass
0907½
pass
0920
+12
173.45
Margam Moors Jn.
pass
0909
pass
0921
+12
DM
175.12
Margam East Jn
pass
0910
pass
0922½
+12
176.00
Margam Middle Jn
pass
0910½
pass
0922½
+12
176.70
Port Talbot East
pass
0911½
No report
177.39
Port Talbot Parkway [PTA]
1
0913
0914
0912½
0914
0924¾
0925½
+11
179.38
Baglan [BAJ]
1
pass
0916
pass
0928½
+12
180.09
Briton Ferry East
pass
0917
pass
0928¾
+12
181.20
Briton Ferry [BNF]
1
pass
0918
pass
0930
+12
181.38
Court Sart Jn
pass
0918
pass
0929¾
+11
183.00
Neath [NTH]
1
1
0920
0921
0920
0921½
0931¾
0932½
+11
185.06
Skewen [SKE]
1
pass
0924½
pass
0935½
+11
186.68
Llansamlet [LAS]
1
pass
0927
pass
0937½
+10
189.42
Landore Junction
pass
0930
pass
0940
+10
DM
DSM
190.23
Swansea Loop East
pass
0931
pass
0941¼
+10
190.67
Swansea [SWA]
Pathed as Class 80x on diesel from here
Service divides here, reverses here
3
0932
0956
0933
0956
0943¼
0955¼
DSM
USM
191.31
Swansea Loop East
pass
0957½
pass
0957¼
USM
DSL
192.04
Swansea Loop West
pass
0959½
pass
0959
DSL
DM
194.56
Cockett West
pass
1003½
pass
1003¼
196.35
Gowerton [GWN]
1
pass
1006
pass
1005
199.78
Duffryn West
pass
1009
pass
1008
200.39
Llandeilo Jn
pass
1009½
pass
1008¼
-1
202.10
Llanelli [LLE]
1
1012
1013
1012
1013½
1010¾
1012
-1
DD
206.05
Pembrey & Burry Port [PBY]
1019
1020
1019
1020½
No report
210.64
Kidwelly Junction
pass
1025½
No report
211.22
Kidwelly [KWL]
pass
1026
No report
215.41
Ferryside [FYS]
1
pass
1029½
No report
222.00
Carmarthen Jn [XCI]
pass
1038½
pass
1036
-2
DD
222.45
Carmarthen [CMN]
2
1040
1040
1038
-2
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