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1L15 1050 Cardiff Central to London Paddington
Departing on 16th December 2025

operated by
Great Western Railway
9 coaches
800305
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
1051½
0.75
Long Dyke Jn
pass
1052½
pass
1052½
B
UM
1.45
Moorland Road Junction
pass
1053
pass
1053¼
2.10
Pengam Jn
pass
1053½
pass
1053¾
2.49
Rumney River Bridge Jn
pass
1053½
pass
1054
6.50
Marshfield
pass
1056½
pass
1056½
10.23
Ebbw Jn
pass
1059
pass
1059¼
UM
UM
10.78
Gaer Jn
pass
1059½
pass
1059¾
UM
11.60
Newport (South Wales) [NWP]
3
1102
1103
1101½
1103
1102
1103½
UM
UM
12.14
Maindee West Jn
pass
1104
pass
1105¼
+1
12.36
Maindee East Jn
pass
1104½
pass
1105¾
+1
ML
13.28
East Usk Jn.
pass
1105½
pass
1106¾
+1
14.19
Llanwern West Jn
pass
1106½
pass
1107¾
+1
19.25
Magor
pass
1110
pass
1110½
21.50
Severn Tunnel Junction [STJ]
4
pass
1111½
pass
1114
+2
UM
UT
22.60
Severn Tunnel West
pass
1112½
pass
1114¾
+2
27.08
Severn Tunnel East
pass
1116
pass
1118½
+2
28.46
Pilning [PIL]
1
1
pass
1117
pass
1120½
+3
32.12
Patchway [PWY]
1
pass
1120½
pass
1123½
+3
33.34
Bristol Parkway [BPW]
3
1122
1125
1122
1125½
1125¼
1126½
+1
UT
UB
38.02
Westerleigh Jn
pass
1129½
pass
1130¾
+1
40.51
Chipping Sodbury
pass
1131
pass
1132¼
+1
45.15
Badminton
pass
1133
pass
1134½
+1
50.75
Hullavington
pass
1136
pass
1137
+1
55.34
Little Somerford
pass
1138½
pass
1140
+1
62.24
Wootton Bassett Jn
1 1½
pass
1142½
pass
1143¼
UB
UM
67.73
Swindon [SWI]
1
1150
1151
1149½
1151½
1151¼
1153
+1
UR
UM
68.64
Highworth Jn
pass
1152½
pass
1155
+2
69.33
Swindon Stratton Green
pass
1153
pass
1155½
+2
70.45
Swindon South Marston Jn
pass
1153½
pass
1155¾
+2
72.66
Bourton
pass
1154½
pass
1157¼
+2
78.57
Uffington (Oxfordshire)
pass
1158
pass
1200
+2
81.16
Challow
pass
1159½
pass
1201
+1
84.74
Wantage Road
1
pass
1201
pass
1203½
+2
88.64
Steventon
pass
1203½
pass
1204¾
+1
89.77
Milton Junction
pass
1204½
pass
1205¾
+1
91.41
Foxhall Jn [XJF]
pass
1205½
pass
1207¼
+1
91.71
Didcot West End
pass
1206
No report
92.06
Didcot Parkway [DID]
2
1207
1208
1206½
1208
1208¾
1210
+2
92.30
Didcot East Jn
pass
1208½
pass
1211
+2
93.59
Moreton Cutting
pass
1209½
pass
1211¾
+2
96.59
Cholsey [CHO]
2
pass
1211½
pass
1213½
+2
100.36
Goring & Streatley [GOR]
1
2
pass
1213½
pass
1215¼
+1
ML
103.53
Pangbourne [PAN]
pass
1215½
pass
1217
+1
106.44
Tilehurst [TLH]
2
pass
1217½
pass
1218¼
106.62
Tilehurst East Jn.
pass
1218
pass
1218½
108.46
Reading High Level Jn
pass
1219
pass
1220
+1
ML
108.79
Reading Main Line West
pass
1219½
pass
1220¾
+1
109.16
Reading [RDG]
10
1220
1223
1220½
1223½
1221½
1223¼
UM
UM
109.35
Reading Main Line East
pass
1224
pass
1224
110.01
Kennet Bridge Jn
pass
1224½
pass
1224½
113.34
Twyford West
pass
1227
pass
1226½
114.15
Twyford [TWY]
2
pass
1227½
pass
1227½
ML
115.51
Ruscombe
pass
1228
pass
1227¾
120.77
Maidenhead [MAI]
2
pass
1231
pass
1230¾
121.38
Maidenhead East
pass
1231½
pass
1230¾
122.57
Taplow [TAP]
2
pass
1232
pass
1231½
124.19
Burnham [BNM]
pass
1232½
pass
1231¾
126.05
Slough West
pass
1233½
pass
1233½
126.60
Slough [SLO]
3
pass
1234
pass
1234¼
127.78
Dolphin Jn
pass
1234½
pass
1234¾
128.78
Langley [LNY]
2
pass
1235
pass
1235½
130.36
Iver [IVR]
2
pass
1236
pass
1236
131.65
West Drayton Jcn
pass
1236½
pass
1236½
131.79
West Drayton [WDT]
2
pass
1236½
pass
1237
132.29
West Drayton East
pass
1236½
pass
1237
133.07
Stockley Junction
1½
pass
1237
pass
1237½
ML
ML
134.02
Heathrow Airport Jn
½
pass
1239
pass
1239¾
134.25
Hayes & Harlington [HAY]
2
pass
1239
pass
1240
+1
135.26
Southall West Jn
pass
1240
pass
1240¾
136.10
Southall [STL]
1
2
pass
1240½
pass
1240¾
ML
136.34
Southall East Jn
pass
1240½
pass
1241
137.68
Hanwell [HAN]
1
pass
1241½
pass
1242
138.42
West Ealing Junction
pass
1242
pass
1242½
138.50
West Ealing [WEA]
pass
1242
pass
1242¾
139.40
Ealing Broadway [EAL]
2
pass
1242½
pass
1243¼
140.16
Acton West
1
pass
1243
pass
1243¾
ML
ML
140.75
Acton Main Line [AML]
2
pass
1244
pass
1244¼
141.43
Friars Jn
pass
1244½
No report
141.76
Old Oak Common West
pass
1245
pass
1245
142.36
Old Oak Common East
pass
1245½
pass
1245¾
143.23
Ladbroke Grove
pass
1246½
pass
1246¾
UM
3
143.63
Portobello Jn (London)
pass
1247
pass
1247¼
3
1
144.50
Royal Oak Junction
pass
1248
pass
1248½
145.11
London Paddington [PAD]
4
1249
1249
1250½
+1
1
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