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1B36 2148 London Paddington to Swansea
Departing on 3rd December 2025

operated by
Great Western Railway
9 coaches
800315
GBTT
WTT
RTTRealtime
Route
Mi.Ch
Location
Pl
Arr
Dep
Arr
Dep
Arr
Dep
Dly
Path
Line
0.00
London Paddington [PAD]
Pathed as Class 80x on electric at 125mph
9
2148
2148
2147½
3
0.41
Royal Oak Junction
pass
2149
pass
2148¾
3
2
1.28
Portobello Jn (London)
pass
2150½
pass
2150
1.68
Ladbroke Grove
pass
2151
pass
2150½
2
DM
2.55
Old Oak Common East
pass
2151½
pass
2151½
3.15
Old Oak Common West
pass
2152
pass
2152
3.48
Friars Jn
pass
2152½
pass
2152¼
4.16
Acton Main Line [AML]
pass
2153
pass
2152¾
4.75
Acton West
pass
2153½
pass
2153¼
ML
ML
5.51
Ealing Broadway [EAL]
1
pass
2154
pass
2153½
6.41
West Ealing [WEA]
pass
2154½
pass
2154
6.49
West Ealing Junction
pass
2154½
pass
2154
7.23
Hanwell [HAN]
pass
2154½
pass
2154¼
8.57
Southall East Jn
pass
2155½
pass
2155
9.01
Southall [STL]
1
pass
2155½
pass
2155½
9.65
Southall West Jn
pass
2156
pass
2155½
10.66
Hayes & Harlington [HAY]
1
pass
2156½
pass
2156¼
11.09
Heathrow Airport Jn
pass
2156½
pass
2156¼
ML
12.04
Stockley Junction
pass
2157
pass
2156½
12.62
West Drayton East
pass
2157½
pass
2157
13.12
West Drayton [WDT]
1
pass
2157½
pass
2157½
13.26
West Drayton Jcn
pass
2157½
pass
2157½
14.55
Iver [IVR]
1
pass
2158
pass
2158
16.13
Langley [LNY]
1
pass
2159
pass
2159
17.13
Dolphin Jn
pass
2159½
pass
2159¼
18.31
Slough [SLO]
2
pass
2200
pass
2200
ML
19.06
Slough West
pass
2200½
pass
2200¼
20.72
Burnham [BNM]
pass
2201½
pass
2201
22.34
Taplow [TAP]
1
pass
2202
pass
2201¾
23.53
Maidenhead East
pass
2202½
pass
2202½
24.14
Maidenhead [MAI]
1
pass
2203
pass
2203
29.40
Ruscombe
pass
2206
pass
2205
30.76
Twyford [TWY]
1
1
pass
2206½
pass
2205¾
ML
31.57
Twyford West
pass
2207
pass
2206¼
35.10
Kennet Bridge Jn
pass
2209½
pass
2208½
35.56
Reading Main Line East
pass
2210
pass
2209
-1
35.75
Reading [RDG]
9
2211
2213
2211
2213
2210¼
2213¼
DM
DM
36.12
Reading Main Line West
pass
2213½
pass
2213¾
36.45
Reading High Level Jn
pass
2214
pass
2214¾
ML
38.29
Tilehurst East Jn.
pass
2215
pass
2215¾
38.47
Tilehurst [TLH]
1
pass
2215
pass
2215¾
41.38
Pangbourne [PAN]
pass
2217
pass
2217¼
44.55
Goring & Streatley [GOR]
1
1
pass
2219
pass
2219
ML
48.32
Cholsey [CHO]
1
pass
2221
pass
2220¾
51.32
Moreton Cutting
pass
2223
pass
2222
52.61
Didcot East Jn
pass
2224
pass
2222½
-1
53.05
Didcot Parkway [DID]
1
pass
2224
pass
2223
53.20
Didcot West End
pass
2224
No report
53.50
Foxhall Jn [XJF]
pass
2224½
pass
2223¼
55.14
Milton Junction
pass
2225
pass
2223¾
-1
56.27
Steventon
pass
2226
pass
2224½
-1
60.17
Wantage Road
pass
2228
pass
2227
63.75
Challow
pass
2230
pass
2229¼
66.34
Uffington (Oxfordshire)
1
pass
2231
pass
2230¼
72.25
Bourton
pass
2234½
pass
2233
-1
74.46
Swindon South Marston Jn
pass
2236
pass
2234¼
-1
75.58
Swindon Stratton Green
pass
2236½
pass
2235¼
-1
76.27
Highworth Jn
pass
2237
pass
2235½
-1
76.59
Swindon East Loop
pass
2237
pass
2236½
77.18
Swindon [SWI]
4
2237
2240
2238
2240
2237½
2239½
DM
DM
82.67
Wootton Bassett Jn
pass
2244½
pass
2244
DM
DB
89.57
Little Somerford
pass
2248½
pass
2248¼
94.16
Hullavington
1
pass
2251
pass
2250½
99.76
Badminton
pass
2254½
pass
2253
-1
104.40
Chipping Sodbury
pass
2257
pass
2256
107.09
Westerleigh Jn
1
pass
2258½
pass
2257½
111.57
Bristol Parkway [BPW]
2
2302
2304
2302½
2304
2301½
2303¾
DB
DT
112.79
Patchway [PWY]
2
pass
2305½
pass
2305¼
116.45
Pilning [PIL]
2
pass
2308
pass
2308¼
118.03
Severn Tunnel East
pass
2309
pass
2309
122.31
Severn Tunnel West
pass
2312½
pass
2312¼
123.41
Severn Tunnel Junction [STJ]
3
pass
2313½
pass
2313¾
DT
DR
125.66
Magor
pass
2317
pass
2316
130.72
Llanwern West Jn
pass
2324
pass
2323¾
131.63
East Usk Jn.
pass
2325½
pass
2324¾
132.55
Maindee East Jn
pass
2327
pass
2325¾
-1
DR
132.77
Maindee West Jn
pass
2327½
pass
2326½
133.31
Newport (South Wales) [NWP]
1
2329
2330
2328½
2330
2328¼
2329¾
DR
DR
134.13
Gaer Jn
pass
2332
pass
2332
DR
DR
134.68
Ebbw Jn
pass
2333
pass
2333½
DR
138.41
Marshfield
1
pass
2336½
pass
2336¾
142.42
Rumney River Bridge Jn
pass
2342
pass
2340¾
143.01
Pengam Jn
pass
2342½
pass
2341¼
143.46
Moorland Road Junction
pass
2343
pass
2342½
144.16
Long Dyke Jn
pass
2344
pass
2343¾
E
144.79
Cardiff East
pass
2345½
pass
2344¾
DR
E
145.11
Cardiff Central [CDF]
Pathed as Class 80x on diesel from here
3
2345
2351
2346
2351
2346¼
2351
E
DBR
145.37
Cardiff West
pass
2352½
No report
145.52
Cardiff Radyr Branch Jn
pass
2353
pass
2352¾
DBR
UTC
145.74
Penarth Curve North Jn
pass
2354
pass
2353¾
UTC
DT
146.10
Ninian Park [NNP]
1
pass
2355
pass
2354½
146.16
Leckwith South Jn
pass
2355
No report
146.29
Leckwith Loop
pass
2355½
No report
146.42
Leckwith North Jn
pass
2356
No report
149.20
St Fagans L C
pass
2358
pass
2359¾
+1
154.14
Miskin
pass
0002
pass
0003¾
+1
156.27
Pontyclun [PYC]
1
pass
0004
pass
0005½
+1
156.63
Llantrisant [LTI]
pass
0004½
No report
158.59
Llanharan [LLR]
2
pass
0006
pass
0007¾
+2
161.47
Pencoed [PCD]
1
pass
0008
pass
0009¾
+1
164.48
Tremains
pass
0010½
pass
0012
+1
165.32
Bridgend [BGN]
1
0012
0013
0011½
0013
0013¾
0015
+2
DM
DM
169.52
Stormy
pass
0017½
pass
0020¾
+3
171.27
Pyle [PYL]
1
pass
0018½
pass
0022
+3
173.51
Margam Moors Jn.
pass
0020
pass
0023¼
+3
DM
175.18
Margam East Jn
pass
0021
pass
0024¾
+3
176.06
Margam Middle Jn
pass
0021½
pass
0025
+3
176.76
Port Talbot East
pass
0022½
No report
177.45
Port Talbot Parkway [PTA]
1
0024
0025
0023½
0025
0027¼
0027¾
+2
179.44
Baglan [BAJ]
1
pass
0027
pass
0031
+3
180.15
Briton Ferry East
pass
0028
pass
0031¼
+3
181.26
Briton Ferry [BNF]
1
pass
0029
pass
0032¾
+4
181.44
Court Sart Jn
pass
0029
pass
0032¾
+3
183.06
Neath [NTH]
1
1
0031
0032
0031
0032½
0034¾
0035¾
+3
185.12
Skewen [SKE]
1
pass
0035½
pass
0039¼
+3
186.74
Llansamlet [LAS]
1
pass
0038
pass
0041½
+3
189.48
Landore Junction
pass
0041
pass
0044¼
+3
DM
DSM
190.29
Swansea Loop East
pass
0042
pass
0045½
+3
190.73
Swansea [SWA]
3
0044
0044
0048¼
+4
DSM
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