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1B36 2148 London Paddington to Swansea
Departing on 8th December 2025

operated by
Great Western Railway
9 coaches
800320
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
2148
4
0.41
Royal Oak Junction
pass
2149
pass
2149¼
4
4
1.28
Portobello Jn (London)
pass
2150½
pass
2151
1.68
Ladbroke Grove
pass
2151
pass
2151¾
4
DR
2.55
Old Oak Common East
pass
2151½
pass
2152½
3.15
Old Oak Common West
pass
2152
pass
2153
+1
3.48
Friars Jn
pass
2152½
pass
2153¼
+1
4.16
Acton Main Line [AML]
3
pass
2153
pass
2154
+1
4.75
Acton West
pass
2153½
pass
2154¾
+1
DR
DM
5.51
Ealing Broadway [EAL]
1
pass
2154
pass
2155¼
+1
6.41
West Ealing [WEA]
pass
2154½
pass
2156
+1
6.49
West Ealing Junction
pass
2154½
pass
2156
+1
7.23
Hanwell [HAN]
pass
2154½
pass
2156½
+1
8.57
Southall East Jn
pass
2155½
pass
2157¼
+2
9.01
Southall [STL]
1
pass
2155½
pass
2157¾
+2
9.65
Southall West Jn
pass
2156
pass
2157¾
+2
10.66
Hayes & Harlington [HAY]
1
pass
2156½
pass
2158½
+2
11.09
Heathrow Airport Jn
pass
2156½
pass
2158½
+2
ML
12.04
Stockley Junction
pass
2157
pass
2158¾
+2
12.62
West Drayton East
pass
2157½
pass
2159¼
+2
13.12
West Drayton [WDT]
1
pass
2157½
pass
2159¾
+2
13.26
West Drayton Jcn
pass
2157½
pass
2159¾
+2
14.55
Iver [IVR]
1
pass
2158
pass
2200¼
+2
16.13
Langley [LNY]
1
pass
2159
pass
2201¼
+2
17.13
Dolphin Jn
pass
2159½
pass
2201½
+2
18.31
Slough [SLO]
2
pass
2200
pass
2202¼
+2
ML
19.06
Slough West
pass
2200½
pass
2202½
+2
20.72
Burnham [BNM]
pass
2201½
pass
2203¼
+2
22.34
Taplow [TAP]
1
pass
2202
pass
2204
+2
23.53
Maidenhead East
pass
2202½
pass
2204¾
+2
24.14
Maidenhead [MAI]
1
pass
2203
pass
2205¼
+2
29.40
Ruscombe
pass
2206
pass
2207½
+1
30.76
Twyford [TWY]
1
1
pass
2206½
pass
2208¼
+1
ML
31.57
Twyford West
pass
2207
pass
2208½
+1
35.10
Kennet Bridge Jn
pass
2209½
pass
2211
+1
35.56
Reading Main Line East
pass
2210
pass
2211¾
+1
35.75
Reading [RDG]
9
2211
2213
2211
2213
2212¾
2214
+1
DM
DM
36.12
Reading Main Line West
pass
2213½
pass
2214¾
+1
36.45
Reading High Level Jn
pass
2214
pass
2215¾
+1
ML
38.29
Tilehurst East Jn.
pass
2215
pass
2217
+1
38.47
Tilehurst [TLH]
1
pass
2215
pass
2217
+1
41.38
Pangbourne [PAN]
pass
2217
pass
2218¼
+1
44.55
Goring & Streatley [GOR]
1
1
pass
2219
pass
2220¼
+1
ML
48.32
Cholsey [CHO]
1
pass
2221
pass
2221¾
51.32
Moreton Cutting
pass
2223
pass
2223¼
52.61
Didcot East Jn
pass
2224
pass
2223¾
53.05
Didcot Parkway [DID]
1
pass
2224
pass
2225¾
+1
53.20
Didcot West End
pass
2224
No report
53.50
Foxhall Jn [XJF]
pass
2224½
pass
2226¾
+2
55.14
Milton Junction
pass
2225
pass
2228½
+3
56.27
Steventon
pass
2226
pass
2231½
+5
60.17
Wantage Road
pass
2228
pass
2234½
+6
63.75
Challow
pass
2230
pass
2236½
+6
66.34
Uffington (Oxfordshire)
1
pass
2231
pass
2237¾
+6
72.25
Bourton
pass
2234½
pass
2240½
+6
74.46
Swindon South Marston Jn
pass
2236
pass
2241¾
+5
75.58
Swindon Stratton Green
pass
2236½
pass
2242½
+6
76.27
Highworth Jn
pass
2237
pass
2242¾
+5
76.59
Swindon East Loop
pass
2237
pass
2244
+6
77.18
Swindon [SWI]
4
2237
2240
2238
2240
2245
2246¼
+6
DM
DM
82.67
Wootton Bassett Jn
pass
2244½
pass
2251
+6
DM
DB
89.57
Little Somerford
pass
2248½
pass
2255¼
+6
94.16
Hullavington
1
pass
2251
pass
2257¾
+6
99.76
Badminton
pass
2254½
pass
2300
+5
104.40
Chipping Sodbury
pass
2257
pass
2303
+6
107.09
Westerleigh Jn
1
pass
2258½
pass
2304¾
+6
111.57
Bristol Parkway [BPW]
2
2302
2304
2302½
2304
2309
2311
+7
DB
DT
112.79
Patchway [PWY]
2
pass
2305½
pass
2312¾
+7
116.45
Pilning [PIL]
1
2
pass
2308
pass
2316¼
+8
118.03
Severn Tunnel East
pass
2310
pass
2318
+8
122.31
Severn Tunnel West
pass
2313½
pass
2321¼
+7
123.41
Severn Tunnel Junction [STJ]
4½
3
pass
2314½
pass
2322¾
+8
DT
DM
125.66
Magor
pass
2317½
pass
2324¼
+6
130.72
Llanwern West Jn
1½
pass
2324
pass
2327¾
+3
131.63
East Usk Jn.
pass
2325½
pass
2328¼
+2
132.55
Maindee East Jn
pass
2327
pass
2329¼
+2
132.77
Maindee West Jn
pass
2327½
pass
2330¼
+2
133.31
Newport (South Wales) [NWP]
½
3
2329
2330
2328½
2330
2331¼
2332½
+2
DM
DM
134.13
Gaer Jn
pass
2332
pass
2334½
+2
DM
134.68
Ebbw Jn
1
pass
2333
pass
2335¼
+2
DM
DM
138.41
Marshfield
1 2½
pass
2336½
pass
2338
+1
142.42
Rumney River Bridge Jn
pass
2342
pass
2340¼
-1
143.01
Pengam Jn
pass
2342½
pass
2340¾
-1
143.46
Moorland Road Junction
pass
2343
pass
2341¼
-1
144.16
Long Dyke Jn
pass
2344
pass
2342¼
-1
E
144.79
Cardiff East
pass
2345½
pass
2343¼
-1
DM
E
145.11
Cardiff Central [CDF]
Pathed as Class 80x on diesel from here
4
2345
2351
2346
2351
2344½
2350¾
E
DBR
145.37
Cardiff West
pass
2352½
No report
145.52
Cardiff Radyr Branch Jn
pass
2353
pass
2352½
DBR
UTC
145.74
Penarth Curve North Jn
pass
2354
pass
2354
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
pass
2356
149.20
St Fagans L C
pass
2358
pass
0000
+1
154.14
Miskin
pass
0002
pass
0004¼
+2
156.27
Pontyclun [PYC]
½
1
pass
0004
pass
0006
+2
156.63
Llantrisant [LTI]
pass
0004½
No report
158.59
Llanharan [LLR]
2
pass
0006
pass
0008¼
+2
161.47
Pencoed [PCD]
1
pass
0008½
pass
0010½
+2
164.48
Tremains
pass
0011
pass
0012½
+1
165.32
Bridgend [BGN]
1
0012
0014
0012
0014
0014¼
0015½
+1
DM
DM
169.52
Stormy
1
pass
0018½
pass
0022¼
+3
171.27
Pyle [PYL]
1
pass
0020
pass
0023¾
+3
173.51
Margam Moors Jn.
pass
0022
pass
0025
+3
DM
175.18
Margam East Jn
pass
0023
pass
0026½
+3
176.06
Margam Middle Jn
pass
0024
pass
0026½
+2
176.76
Port Talbot East
pass
0025
No report
177.45
Port Talbot Parkway [PTA]
4
1
0027
0028
0026½
0028
0028¾
0030
+2
179.44
Baglan [BAJ]
1
pass
0032
pass
0033½
+1
180.15
Briton Ferry East
pass
0033½
pass
0034¼
181.26
Briton Ferry [BNF]
1
pass
0035½
pass
0035¾
181.44
Court Sart Jn
pass
0036
pass
0035¾
183.06
Neath [NTH]
1 5
1
0038
0039
0038
0039½
0038¾
0040¼
185.12
Skewen [SKE]
1
pass
0044
pass
0044¾
186.74
Llansamlet [LAS]
1
pass
0047½
pass
0047½
189.48
Landore Junction
pass
0052½
pass
0050½
-1
DM
DSM
190.29
Swansea Loop East
pass
0054
pass
0051¾
-2
190.73
Swansea [SWA]
3
0056
0056
0054
-1
DSM
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