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1B36 2148 London Paddington to Swansea
Departing on 4th December 2025

operated by
Great Western Railway
9 coaches
800301
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
2150¾
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
2154½
8.57
Southall East Jn
pass
2155½
pass
2155¼
9.01
Southall [STL]
1
pass
2155½
pass
2155¾
9.65
Southall West Jn
pass
2156
pass
2155¾
10.66
Hayes & Harlington [HAY]
1
pass
2156½
pass
2156½
11.09
Heathrow Airport Jn
pass
2156½
pass
2156¼
ML
12.04
Stockley Junction
pass
2157
pass
2156¾
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
2157¾
14.55
Iver [IVR]
1
pass
2158
pass
2158¼
16.13
Langley [LNY]
1
pass
2159
pass
2159¼
17.13
Dolphin Jn
pass
2159½
pass
2159½
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
2202¾
24.14
Maidenhead [MAI]
1
pass
2203
pass
2203
29.40
Ruscombe
pass
2206
pass
2205¼
30.76
Twyford [TWY]
1
1
pass
2206½
pass
2206
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
2210
2212¾
DM
DM
36.12
Reading Main Line West
pass
2213½
pass
2213½
36.45
Reading High Level Jn
pass
2214
pass
2214¼
ML
38.29
Tilehurst East Jn.
pass
2215
pass
2215½
38.47
Tilehurst [TLH]
1
pass
2215
pass
2215½
41.38
Pangbourne [PAN]
pass
2217
pass
2216¾
44.55
Goring & Streatley [GOR]
1
1
pass
2219
pass
2218½
ML
48.32
Cholsey [CHO]
1
pass
2221
pass
2220¼
51.32
Moreton Cutting
pass
2223
pass
2221½
-1
52.61
Didcot East Jn
pass
2224
pass
2222
-1
53.05
Didcot Parkway [DID]
1
pass
2224
pass
2222¾
-1
53.20
Didcot West End
pass
2224
No report
53.50
Foxhall Jn [XJF]
pass
2224½
pass
2222¾
-1
55.14
Milton Junction
pass
2225
pass
2223¼
-1
56.27
Steventon
pass
2226
pass
2224
-1
60.17
Wantage Road
pass
2228
pass
2226½
-1
63.75
Challow
pass
2230
pass
2228½
-1
66.34
Uffington (Oxfordshire)
1
pass
2231
pass
2229½
-1
72.25
Bourton
pass
2234½
pass
2232½
-1
74.46
Swindon South Marston Jn
pass
2236
pass
2233¾
-2
75.58
Swindon Stratton Green
pass
2236½
pass
2235
-1
76.27
Highworth Jn
pass
2237
pass
2235½
-1
76.59
Swindon East Loop
pass
2237
pass
2236¾
77.18
Swindon [SWI]
4
2237
2240
2238
2240
2237¾
2241½
+1
DM
DM
82.67
Wootton Bassett Jn
pass
2244½
pass
2247¾
+3
DM
DB
89.57
Little Somerford
pass
2248½
pass
2252
+3
94.16
Hullavington
1
pass
2251
pass
2254¼
+3
99.76
Badminton
pass
2254½
pass
2256¾
+2
104.40
Chipping Sodbury
pass
2257
pass
2259½
+2
107.09
Westerleigh Jn
1
pass
2258½
pass
2301¼
+2
111.57
Bristol Parkway [BPW]
1
2302
2304
2302½
2304
2305¼
2309½
+5
DB
DT
112.79
Patchway [PWY]
2
pass
2305½
pass
2312
+6
116.45
Pilning [PIL]
2
pass
2308
pass
2315
+7
118.03
Severn Tunnel East
pass
2309
pass
2315¾
+6
122.31
Severn Tunnel West
pass
2312½
pass
2319
+6
123.41
Severn Tunnel Junction [STJ]
3
pass
2313½
pass
2320¾
+7
DT
DR
125.66
Magor
pass
2317
pass
2323
+6
130.72
Llanwern West Jn
pass
2324
pass
2331
+7
131.63
East Usk Jn.
pass
2325½
pass
2332¼
+6
132.55
Maindee East Jn
pass
2327
pass
2333¾
+6
DR
132.77
Maindee West Jn
pass
2327½
pass
2334½
+7
133.31
Newport (South Wales) [NWP]
1
2329
2330
2328½
2330
2336¼
2337½
+7
DR
DR
134.13
Gaer Jn
pass
2332
pass
2339¾
+7
DR
DR
134.68
Ebbw Jn
pass
2333
pass
2341
+8
DR
138.41
Marshfield
1
pass
2336½
pass
2344½
+8
142.42
Rumney River Bridge Jn
pass
2342
pass
2348½
+6
143.01
Pengam Jn
pass
2342½
pass
2349
+6
143.46
Moorland Road Junction
pass
2343
pass
2350¼
+7
144.16
Long Dyke Jn
pass
2344
pass
2351¾
+7
E
144.79
Cardiff East
pass
2345½
pass
2352¾
+7
DR
E
145.11
Cardiff Central [CDF]
Pathed as Class 80x on diesel from here
3
2345
2351
2346
2351
2354½
2356¾
+5
E
DBR
145.37
Cardiff West
pass
2352½
No report
145.52
Cardiff Radyr Branch Jn
pass
2353
pass
2358½
+5
DBR
UTC
145.74
Penarth Curve North Jn
pass
2354
pass
2359¾
+5
UTC
DT
146.10
Ninian Park [NNP]
1
pass
2355
pass
0000¼
+5
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
0006
+7
154.14
Miskin
pass
0002
pass
0010½
+8
156.27
Pontyclun [PYC]
1
pass
0004
pass
0012½
+8
156.63
Llantrisant [LTI]
pass
0004½
No report
158.59
Llanharan [LLR]
2
pass
0006
pass
0014¾
+8
161.47
Pencoed [PCD]
1
pass
0008
pass
0016¾
+8
164.48
Tremains
pass
0010½
pass
0018½
+8
165.32
Bridgend [BGN]
1
0012
0013
0011½
0013
0020¼
0021¾
+8
DM
DM
169.52
Stormy
pass
0017½
pass
0027¼
+9
171.27
Pyle [PYL]
1
pass
0018½
pass
0028¾
+10
173.51
Margam Moors Jn.
pass
0020
pass
0030
+10
DM
175.18
Margam East Jn
pass
0021
pass
0031¼
+10
176.06
Margam Middle Jn
pass
0021½
pass
0031½
+9
176.76
Port Talbot East
pass
0022½
No report
177.45
Port Talbot Parkway [PTA]
1
0024
0025
0023½
0025
0033½
0034½
+9
179.44
Baglan [BAJ]
1
pass
0027
pass
0037½
+10
180.15
Briton Ferry East
pass
0028
pass
0038
+10
181.26
Briton Ferry [BNF]
1
pass
0029
pass
0039¼
+10
181.44
Court Sart Jn
pass
0029
pass
0039¼
+10
183.06
Neath [NTH]
1
1
0031
0032
0031
0032½
0041
0042¼
+9
185.12
Skewen [SKE]
1
pass
0035½
pass
0045¾
+10
186.74
Llansamlet [LAS]
1
pass
0038
pass
0048
+10
189.48
Landore Junction
pass
0041
pass
0050¾
+9
DM
DSM
190.29
Swansea Loop East
pass
0042
pass
0052¼
+10
190.73
Swansea [SWA]
3
0044
0044
0054¼
+10
DSM
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