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1L15 1050 Cardiff Central to London Paddington
Departing on 11th December 2025

operated by
Great Western Railway
9 coaches
800306
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
1049¾
B
0.12
Cardiff East
pass
1051
pass
1051
0.75
Long Dyke Jn
pass
1052½
pass
1052
B
UM
1.45
Moorland Road Junction
pass
1053
pass
1052¾
2.10
Pengam Jn
pass
1053½
pass
1053
2.49
Rumney River Bridge Jn
pass
1053½
pass
1053½
6.50
Marshfield
pass
1056½
pass
1056
10.23
Ebbw Jn
pass
1059
pass
1058½
UM
UM
10.78
Gaer Jn
pass
1100
pass
1059
UM
11.60
Newport (South Wales) [NWP]
3
1102
1103
1101½
1103½
1101¼
1102¾
UM
UM
12.14
Maindee West Jn
pass
1104½
pass
1104¼
12.36
Maindee East Jn
pass
1105
pass
1104½
13.28
East Usk Jn.
pass
1105½
pass
1105½
14.19
Llanwern West Jn
pass
1106½
pass
1106½
19.25
Magor
pass
1110½
pass
1109½
21.50
Severn Tunnel Junction [STJ]
4
pass
1112
pass
1112
UM
UT
22.60
Severn Tunnel West
pass
1113
pass
1112¾
27.08
Severn Tunnel East
pass
1116½
pass
1116¼
28.46
Pilning [PIL]
1
1
pass
1117½
pass
1117½
32.12
Patchway [PWY]
1
pass
1121
pass
1120
33.34
Bristol Parkway [BPW]
3
1123
1125
1122½
1125½
1122
1124½
UT
UB
38.02
Westerleigh Jn
pass
1129½
pass
1128½
40.51
Chipping Sodbury
pass
1131
pass
1130¼
45.15
Badminton
pass
1133
pass
1132½
50.75
Hullavington
pass
1136
pass
1135
55.34
Little Somerford
pass
1138½
pass
1138
62.24
Wootton Bassett Jn
1 1½
pass
1142½
pass
1144½
+2
UB
UM
67.73
Swindon [SWI]
3
1150
1151
1149½
1151½
1151
1152½
+1
UR
UM
68.64
Highworth Jn
pass
1152½
pass
1154¼
+1
69.33
Swindon Stratton Green
pass
1153
pass
1154¾
+1
70.45
Swindon South Marston Jn
pass
1153½
pass
1155
+1
72.66
Bourton
pass
1154½
pass
1156½
+1
78.57
Uffington (Oxfordshire)
pass
1158
pass
1159¼
+1
81.16
Challow
pass
1159½
pass
1200¼
84.74
Wantage Road
1
pass
1201
pass
1202¾
+1
88.64
Steventon
pass
1203½
pass
1204
89.77
Milton Junction
pass
1204½
pass
1204¾
91.41
Foxhall Jn [XJF]
pass
1205½
pass
1205¾
91.71
Didcot West End
pass
1206
No report
92.06
Didcot Parkway [DID]
2
1207
1208
1206½
1208
1207¼
1210¼
+2
92.30
Didcot East Jn
pass
1208½
pass
1211¼
+2
93.59
Moreton Cutting
pass
1209½
pass
1212
+2
96.59
Cholsey [CHO]
2
pass
1211½
pass
1214
+2
100.36
Goring & Streatley [GOR]
1
2
pass
1213½
pass
1215¾
+2
ML
103.53
Pangbourne [PAN]
pass
1215½
pass
1217½
+1
106.44
Tilehurst [TLH]
2
pass
1217½
pass
1218½
+1
106.62
Tilehurst East Jn.
pass
1218
pass
1218¾
+1
108.46
Reading High Level Jn
pass
1219
pass
1220
+1
ML
108.79
Reading Main Line West
pass
1219½
pass
1220½
109.16
Reading [RDG]
10
1220
1222
1220½
1222½
1221¼
1222½
UM
UM
109.35
Reading Main Line East
pass
1223
pass
1223¼
110.01
Kennet Bridge Jn
pass
1223½
pass
1225½
+2
113.34
Twyford West
pass
1226
pass
1227¾
+1
114.15
Twyford [TWY]
2
pass
1226½
pass
1228½
+2
ML
115.51
Ruscombe
pass
1227
pass
1228¾
+1
120.77
Maidenhead [MAI]
2
pass
1230
pass
1231¾
+1
121.38
Maidenhead East
pass
1230½
pass
1231¾
+1
122.57
Taplow [TAP]
2
pass
1231
pass
1232½
+1
124.19
Burnham [BNM]
pass
1231½
pass
1232¾
+1
126.05
Slough West
pass
1232½
pass
1234
+1
126.60
Slough [SLO]
3
pass
1233
pass
1234¾
+1
127.78
Dolphin Jn
pass
1233½
pass
1235
+1
128.78
Langley [LNY]
2
pass
1234
pass
1235½
+1
130.36
Iver [IVR]
2
pass
1235
pass
1236¼
+1
131.65
West Drayton Jcn
pass
1235½
pass
1236¾
+1
131.79
West Drayton [WDT]
2
pass
1235½
pass
1237
+1
132.29
West Drayton East
pass
1235½
pass
1237
+1
133.07
Stockley Junction
2½
pass
1236
pass
1237½
+1
ML
ML
134.02
Heathrow Airport Jn
½
pass
1239
pass
1240¼
+1
134.25
Hayes & Harlington [HAY]
2
pass
1239
pass
1240¾
+1
135.26
Southall West Jn
pass
1240
pass
1241¾
+1
136.10
Southall [STL]
1
2
pass
1240½
pass
1241¾
+1
ML
136.34
Southall East Jn
pass
1240½
pass
1242
+1
137.68
Hanwell [HAN]
1
pass
1241½
pass
1243
+1
138.42
West Ealing Junction
pass
1242
pass
1243½
+1
138.50
West Ealing [WEA]
pass
1242
pass
1243¾
+1
139.40
Ealing Broadway [EAL]
2
pass
1242½
pass
1244¼
+1
140.16
Acton West
1
pass
1243
pass
1244
+1
ML
ML
140.75
Acton Main Line [AML]
2
pass
1244
pass
1245
+1
141.43
Friars Jn
pass
1244½
No report
141.76
Old Oak Common West
pass
1245
pass
1245½
142.36
Old Oak Common East
pass
1245½
pass
1246
143.23
Ladbroke Grove
pass
1246½
pass
1246¾
UM
2
143.63
Portobello Jn (London)
pass
1247
pass
1247½
144.50
Royal Oak Junction
pass
1248
pass
1248½
145.11
London Paddington [PAD]
4
1249
1249
1250¾
+1
2
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