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1B15 0836 London Paddington to Swansea
Departing on 28th December 2025

operated by
Great Western Railway
GBTT
WTT
RTTRealtime
Route
Mi.Ch
Location
Pl
Arr
Dep
Arr
Dep
Arr
Dep
Dly
Path
Line
0.00
London Paddington [PAD]
2
0836
0836
0836
2
0.41
Royal Oak Junction
pass
0837
pass
0837
2
1.28
Portobello Jn (London)
pass
0838½
pass
0838
2
1.68
Ladbroke Grove
pass
0839
pass
0839
2
ML
2.55
Old Oak Common East
pass
0839½
pass
0839
3.15
Old Oak Common West
pass
0840
pass
0840
3.48
Friars Jn
pass
0840½
pass
0840
4.16
Acton Main Line [AML]
pass
0841
pass
0840
4.75
Acton West
pass
0841½
pass
0841
ML
ML
5.51
Ealing Broadway [EAL]
pass
0842
pass
0841
6.41
West Ealing [WEA]
pass
0842½
pass
0842
6.49
West Ealing Junction
pass
0842½
pass
0842
7.23
Hanwell [HAN]
pass
0842½
pass
0842
8.57
Southall East Jn
pass
0843½
pass
0843
9.01
Southall [STL]
1
pass
0843½
pass
0843
ML
9.65
Southall West Jn
pass
0844
pass
0843
10.66
Hayes & Harlington [HAY]
pass
0844½
pass
0844
11.09
Heathrow Airport Jn
3
pass
0844½
pass
0844
ML
12.04
Stockley Junction
pass
0845½
pass
0845
12.62
West Drayton East
pass
0846
pass
0845
13.12
West Drayton [WDT]
pass
0846½
pass
0846
13.26
West Drayton Jcn
pass
0846½
pass
0846
14.55
Iver [IVR]
pass
0847½
pass
0847
16.13
Langley [LNY]
pass
0849
pass
0849
17.13
Dolphin Jn
pass
0850
pass
0849
18.31
Slough [SLO]
2
pass
0851
pass
0851
ML
19.06
Slough West
pass
0851½
pass
0851
20.72
Burnham [BNM]
pass
0852½
pass
0852
22.34
Taplow [TAP]
pass
0853
pass
0853
23.53
Maidenhead East
pass
0853½
pass
0853
24.14
Maidenhead [MAI]
1
pass
0854
pass
0854
ML
29.40
Ruscombe
pass
0857
pass
0856
30.76
Twyford [TWY]
1
1
pass
0857½
pass
0857
ML
31.57
Twyford West
pass
0858
pass
0858
35.10
Kennet Bridge Jn
pass
0901½
pass
0901
DML
35.56
Reading Main Line East
pass
0902
pass
0902
35.75
Reading [RDG]
9
0903
0905
0903
0905
0902
0905
ML
36.12
Reading Main Line West
pass
0905½
pass
0905
36.45
Reading High Level Jn
pass
0906
pass
0906
ML
38.29
Tilehurst East Jn.
pass
0907
pass
0907
38.47
Tilehurst [TLH]
pass
0907
pass
0907
41.38
Pangbourne [PAN]
pass
0909
pass
0909
44.55
Goring & Streatley [GOR]
pass
0911
pass
0911
ML
48.32
Cholsey [CHO]
pass
0913
pass
0912
51.32
Moreton Cutting
pass
0914½
pass
0914
52.61
Didcot East Jn
pass
0915½
pass
0915
53.05
Didcot Parkway [DID]
1
0916
0917
0916
0917½
0916
0917
53.20
Didcot West End
pass
0918
pass
0917
53.50
Foxhall Jn [XJF]
pass
0918½
pass
0917
55.14
Milton Junction
pass
0919½
pass
0918
56.27
Steventon
pass
0920
pass
0919
60.17
Wantage Road
pass
0922½
pass
0922
63.75
Challow
pass
0924½
pass
0924
66.34
Uffington (Oxfordshire)
1
pass
0925½
pass
0925
72.25
Bourton
pass
0929
pass
0928
74.46
Swindon South Marston Jn
pass
0930½
pass
0929
75.58
Swindon Stratton Green
pass
0931
pass
0930
76.27
Highworth Jn
pass
0931½
pass
0930
76.59
Swindon East Loop
pass
0931½
pass
0931
77.18
Swindon [SWI]
4
0932
0934
0932½
0934½
0931
0934
78.31
Rushey Platt
pass
0936
pass
0935
82.67
Wootton Bassett Jn
pass
0939½
pass
0939
89.57
Little Somerford
pass
0943½
pass
0942
94.16
Hullavington
1
pass
0946
pass
0945
99.76
Badminton
pass
0949½
pass
0948
104.40
Chipping Sodbury
pass
0952
pass
0951
107.09
Westerleigh Jn
pass
0953½
pass
0952
111.57
Bristol Parkway [BPW]
2
0957
0958
0956½
0958½
0955
0958
112.79
Patchway [PWY]
2
pass
1000
pass
0959
116.45
Pilning [PIL]
2
pass
1002½
pass
1002
118.03
Severn Tunnel East
pass
1003½
pass
1003
122.31
Severn Tunnel West
pass
1007
pass
1006
123.41
Severn Tunnel Junction [STJ]
3
pass
1008
pass
1007
ML
125.66
Magor
pass
1009½
pass
1009
130.72
Llanwern West Jn
pass
1013
pass
1012
131.63
East Usk Jn.
pass
1013½
pass
1013
132.55
Maindee East Jn
pass
1014½
pass
1014
ML
132.77
Maindee West Jn
pass
1015
pass
1014
133.31
Newport (South Wales) [NWP]
Pathed as Class 80x on diesel from here
2
1016
1017
1016
1017½
1015
1017
DM
134.13
Gaer Jn
pass
1019
pass
1018
ML
134.68
Ebbw Jn
4
pass
1020
pass
1019
138.41
Marshfield
1 2½
pass
1027
pass
1026
142.42
Rumney River Bridge Jn
pass
1032½
pass
1032
143.01
Pengam Jn
pass
1033
pass
1032
143.46
Moorland Road Junction
pass
1033½
pass
1033
144.16
Long Dyke Jn
pass
1034½
pass
1034
E
144.79
Cardiff East
pass
1036
pass
1036
145.11
Cardiff Central [CDF]
4
1037
1040
1037
1040
1037
1040
145.37
Cardiff West
pass
1041½
pass
1041
145.52
Cardiff Radyr Branch Jn
pass
1042
pass
1042
145.74
Penarth Curve North Jn
pass
1043
pass
1043
146.10
Ninian Park [NNP]
1
pass
1044
pass
1044
146.16
Leckwith South Jn
pass
1044½
pass
1044
146.29
Leckwith Loop
pass
1045
pass
1044
146.42
Leckwith North Jn
pass
1045½
pass
1045
149.20
St Fagans L C
pass
1047½
pass
1047
154.14
Miskin
pass
1051½
pass
1051
156.27
Pontyclun [PYC]
pass
1053½
pass
1053
156.63
Llantrisant [LTI]
pass
1054
pass
1053
158.59
Llanharan [LLR]
pass
1055½
pass
1055
161.47
Pencoed [PCD]
pass
1057½
pass
1057
164.48
Tremains
pass
1100
pass
1059
165.32
Bridgend [BGN]
1
1101
1102
1101
1102½
1101
1102
169.52
Stormy
pass
1107
pass
1106
171.27
Pyle [PYL]
pass
1108
pass
1107
173.51
Margam Moors Jn.
pass
1109½
pass
1109
175.18
Margam East Jn
pass
1110½
pass
1110
176.06
Margam Middle Jn
pass
1111
pass
1110
176.76
Port Talbot East
pass
1112
pass
1111
177.45
Port Talbot Parkway [PTA]
1
1113
1114
1113
1114½
1112
1114
179.44
Baglan [BAJ]
pass
1116½
pass
1116
180.15
Briton Ferry East
pass
1117½
pass
1116
181.26
Briton Ferry [BNF]
pass
1118½
pass
1117
181.44
Court Sart Jn
pass
1118½
pass
1118
183.06
Neath [NTH]
1
1121
1122
1120½
1122
1120
1122
185.12
Skewen [SKE]
pass
1125
pass
1124
186.74
Llansamlet [LAS]
pass
1127½
pass
1127
189.48
Landore Junction
pass
1130½
pass
1130
190.29
Swansea Loop East
pass
1131½
pass
1131
190.73
Swansea [SWA]
joins with 1L60 towards London Paddington
2
1133
1133
1132
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