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1L15 1050 Cardiff Central to London Paddington
Departing on 3rd 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
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
1058¾
UM
UM
10.78
Gaer Jn
pass
1100
pass
1059¼
UM
11.60
Newport (South Wales) [NWP]
3
1102
1103
1101½
1103½
1101¼
1103
UM
UM
12.14
Maindee West Jn
pass
1104½
pass
1104½
12.36
Maindee East Jn
pass
1105
pass
1105
13.28
East Usk Jn.
pass
1105½
pass
1105¾
14.19
Llanwern West Jn
pass
1106½
pass
1106¾
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
1117¼
32.12
Patchway [PWY]
1
pass
1121
pass
1119¾
-1
33.34
Bristol Parkway [BPW]
3
1123
1125
1122½
1125½
1122¼
1124½
UT
UB
38.02
Westerleigh Jn
pass
1129½
pass
1128¾
40.51
Chipping Sodbury
pass
1131
pass
1130¼
45.15
Badminton
pass
1133
pass
1132¾
50.75
Hullavington
pass
1136
pass
1135¼
55.34
Little Somerford
pass
1138½
pass
1138½
62.24
Wootton Bassett Jn
1 1½
pass
1142½
pass
1142¾
UB
UM
67.73
Swindon [SWI]
3
1150
1151
1149½
1151½
1150¾
1152¾
+1
UR
UM
68.64
Highworth Jn
pass
1152½
pass
1154¾
+2
69.33
Swindon Stratton Green
pass
1153
pass
1155¼
+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
1206¾
+1
91.71
Didcot West End
pass
1206
No report
92.06
Didcot Parkway [DID]
2
1207
1208
1206½
1208
1208¼
1209
+1
92.30
Didcot East Jn
pass
1208½
pass
1209¾
+1
93.59
Moreton Cutting
pass
1209½
pass
1210¾
+1
96.59
Cholsey [CHO]
2
pass
1211½
pass
1212½
+1
100.36
Goring & Streatley [GOR]
1
2
pass
1213½
pass
1214½
+1
ML
103.53
Pangbourne [PAN]
pass
1215½
pass
1216¼
106.44
Tilehurst [TLH]
2
pass
1217½
pass
1217¼
106.62
Tilehurst East Jn.
pass
1218
pass
1217½
108.46
Reading High Level Jn
pass
1219
pass
1219
ML
108.79
Reading Main Line West
pass
1219½
pass
1219½
109.16
Reading [RDG]
10
1220
1222
1220½
1222½
1220¼
1222½
UM
UM
109.35
Reading Main Line East
pass
1223
pass
1223¼
110.01
Kennet Bridge Jn
pass
1223½
pass
1224
113.34
Twyford West
pass
1226
pass
1226¼
114.15
Twyford [TWY]
2
pass
1226½
pass
1227
ML
115.51
Ruscombe
pass
1227
pass
1227¼
120.77
Maidenhead [MAI]
2
pass
1230
pass
1231
+1
121.38
Maidenhead East
pass
1230½
pass
1231½
+1
122.57
Taplow [TAP]
2
pass
1231
pass
1233¼
+2
124.19
Burnham [BNM]
pass
1231½
pass
1233¾
+2
126.05
Slough West
pass
1232½
pass
1235
+2
126.60
Slough [SLO]
3
pass
1233
pass
1236
+3
127.78
Dolphin Jn
pass
1233½
pass
1236¾
+3
128.78
Langley [LNY]
2
pass
1234
pass
1238
+4
130.36
Iver [IVR]
2
pass
1235
pass
1239
+4
131.65
West Drayton Jcn
pass
1235½
pass
1239½
+4
131.79
West Drayton [WDT]
2
pass
1235½
pass
1240
+4
132.29
West Drayton East
pass
1235½
pass
1240¼
+4
133.07
Stockley Junction
2½
pass
1236
pass
1241¼
+5
ML
ML
134.02
Heathrow Airport Jn
½
pass
1239
pass
1243
+4
134.25
Hayes & Harlington [HAY]
2
pass
1239
pass
1243½
+4
135.26
Southall West Jn
pass
1240
pass
1244½
+4
136.10
Southall [STL]
1
2
pass
1240½
pass
1244½
+4
ML
136.34
Southall East Jn
pass
1240½
pass
1245
+4
137.68
Hanwell [HAN]
1
pass
1241½
pass
1246
+4
138.42
West Ealing Junction
pass
1242
pass
1246¼
+4
138.50
West Ealing [WEA]
pass
1242
pass
1246½
+4
139.40
Ealing Broadway [EAL]
2
pass
1242½
pass
1247¼
+4
140.16
Acton West
1
pass
1243
pass
1247
+4
ML
ML
140.75
Acton Main Line [AML]
2
pass
1244
pass
1248
+4
141.43
Friars Jn
pass
1244½
No report
141.76
Old Oak Common West
pass
1245
pass
1248½
+3
142.36
Old Oak Common East
pass
1245½
pass
1249
+3
143.23
Ladbroke Grove
pass
1246½
pass
1250
+3
UM
3
143.63
Portobello Jn (London)
pass
1247
pass
1250½
+3
144.50
Royal Oak Junction
pass
1248
pass
1251½
+3
3
2
145.11
London Paddington [PAD]
4
1249
1249
1253¾
+4
2
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