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1L15 1050 Cardiff Central to London Paddington
Departing on 18th December 2025

operated by
Great Western Railway
9 coaches
800308
GBTT
WTT
RTTRealtime
Route
Mi.Ch
Location
Pl
Arr
Dep
Arr
Dep
Arr
Dep
Dly
Path
Line
0.00
Cardiff Central [CDF]
Pathed as Class 80x on electric at 125mph
forms from 5L15 from Cardiff Central
1
1050
1050
1050
B
0.12
Cardiff East
pass
1051
pass
1051¼
0.75
Long Dyke Jn
pass
1052½
pass
1052¼
B
UM
1.45
Moorland Road Junction
pass
1053
pass
1053
2.10
Pengam Jn
pass
1053½
pass
1053¼
2.49
Rumney River Bridge Jn
pass
1053½
pass
1053½
6.50
Marshfield
pass
1056½
pass
1056¼
10.23
Ebbw Jn
pass
1059
pass
1059¼
UM
UM
10.78
Gaer Jn
pass
1059½
pass
1059½
UM
11.60
Newport (South Wales) [NWP]
4
1102
1103
1101½
1103
1105¼
1106¾
+3
UM
UM
12.14
Maindee West Jn
pass
1104
pass
1108½
+4
12.36
Maindee East Jn
pass
1104½
pass
1109
+4
ML
13.28
East Usk Jn.
pass
1105½
pass
1110
+4
14.19
Llanwern West Jn
pass
1106½
pass
1111
+4
19.25
Magor
pass
1110
pass
1113¾
+3
21.50
Severn Tunnel Junction [STJ]
4
pass
1111½
pass
1116¼
+4
UM
UT
22.60
Severn Tunnel West
pass
1112½
pass
1117
+4
27.08
Severn Tunnel East
pass
1116
pass
1120½
+4
28.46
Pilning [PIL]
1
1
pass
1117
pass
1121½
+4
32.12
Patchway [PWY]
1
pass
1120½
pass
1124¼
+3
33.34
Bristol Parkway [BPW]
3
1122
1125
1122
1125½
1126
1126¾
+1
UT
UB
38.02
Westerleigh Jn
pass
1129½
pass
1131
+1
40.51
Chipping Sodbury
pass
1131
pass
1132½
+1
45.15
Badminton
pass
1133
pass
1134¾
+1
50.75
Hullavington
pass
1136
pass
1137¼
+1
55.34
Little Somerford
pass
1138½
pass
1140¼
+1
62.24
Wootton Bassett Jn
1 1½
pass
1142½
pass
1144
+1
UB
UM
67.73
Swindon [SWI]
1
1150
1151
1149½
1151½
1152
1153¾
+2
UR
UM
68.64
Highworth Jn
pass
1152½
pass
1155¾
+3
69.33
Swindon Stratton Green
pass
1153
pass
1156¼
+3
70.45
Swindon South Marston Jn
pass
1153½
pass
1156½
+3
72.66
Bourton
pass
1154½
pass
1157¾
+3
78.57
Uffington (Oxfordshire)
pass
1158
pass
1200¾
+2
81.16
Challow
pass
1159½
pass
1201¾
+2
84.74
Wantage Road
1
pass
1201
pass
1204¼
+3
88.64
Steventon
pass
1203½
pass
1205½
+1
89.77
Milton Junction
pass
1204½
pass
1206¼
+1
91.41
Foxhall Jn [XJF]
pass
1205½
pass
1207½
+1
91.71
Didcot West End
pass
1206
No report
92.06
Didcot Parkway [DID]
2
1207
1208
1206½
1208
1208¾
1209¾
+1
92.30
Didcot East Jn
pass
1208½
pass
1210½
+2
93.59
Moreton Cutting
pass
1209½
pass
1211½
+2
96.59
Cholsey [CHO]
2
pass
1211½
pass
1213¼
+2
100.36
Goring & Streatley [GOR]
1
2
pass
1213½
pass
1215
+1
ML
103.53
Pangbourne [PAN]
pass
1215½
pass
1216¾
+1
106.44
Tilehurst [TLH]
2
pass
1217½
pass
1217¾
106.62
Tilehurst East Jn.
pass
1218
pass
1218
108.46
Reading High Level Jn
pass
1219
pass
1219½
ML
108.79
Reading Main Line West
pass
1219½
pass
1219¾
109.16
Reading [RDG]
10
1220
1223
1220½
1223½
1220¾
1223
UM
UM
109.35
Reading Main Line East
pass
1224
pass
1223¾
110.01
Kennet Bridge Jn
pass
1224½
pass
1224½
113.34
Twyford West
pass
1227
pass
1226¾
114.15
Twyford [TWY]
2
pass
1227½
pass
1227½
ML
115.51
Ruscombe
pass
1228
pass
1228
120.77
Maidenhead [MAI]
2
pass
1231
pass
1231¼
121.38
Maidenhead East
pass
1231½
pass
1231¼
122.57
Taplow [TAP]
2
pass
1232
pass
1232¼
124.19
Burnham [BNM]
pass
1232½
pass
1232½
126.05
Slough West
pass
1233½
pass
1233¾
126.60
Slough [SLO]
3
pass
1234
pass
1234½
127.78
Dolphin Jn
pass
1234½
pass
1235
128.78
Langley [LNY]
2
pass
1235
pass
1235½
130.36
Iver [IVR]
2
pass
1236
pass
1236½
131.65
West Drayton Jcn
pass
1236½
pass
1237
131.79
West Drayton [WDT]
2
pass
1236½
pass
1237¼
+1
132.29
West Drayton East
pass
1236½
pass
1237¼
133.07
Stockley Junction
1½
pass
1237
pass
1237¾
ML
ML
134.02
Heathrow Airport Jn
½
pass
1239
pass
1239¾
134.25
Hayes & Harlington [HAY]
2
pass
1239
pass
1240¼
+1
135.26
Southall West Jn
pass
1240
pass
1241
+1
136.10
Southall [STL]
1
2
pass
1240½
pass
1241
ML
136.34
Southall East Jn
pass
1240½
pass
1241¼
137.68
Hanwell [HAN]
1
pass
1241½
pass
1242¼
138.42
West Ealing Junction
pass
1242
pass
1242¾
138.50
West Ealing [WEA]
pass
1242
pass
1243
+1
139.40
Ealing Broadway [EAL]
2
pass
1242½
pass
1243½
+1
140.16
Acton West
1
pass
1243
pass
1243¾
ML
ML
140.75
Acton Main Line [AML]
2
pass
1244
pass
1244¾
141.43
Friars Jn
pass
1244½
No report
141.76
Old Oak Common West
pass
1245
pass
1245¾
142.36
Old Oak Common East
pass
1245½
pass
1246¼
143.23
Ladbroke Grove
pass
1246½
pass
1247¼
UM
3
143.63
Portobello Jn (London)
pass
1247
pass
1248½
+1
3
1
144.50
Royal Oak Junction
pass
1248
pass
1249¾
+1
145.11
London Paddington [PAD]
4
1249
1249
1252
+3
1
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