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1B36 2148 London Paddington to Swansea
Departing on 7th January 2026

operated by
Great Western Railway
5 coaches
800004
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
2147¾
4
0.41
Royal Oak Junction
pass
2149
pass
2149
4
4
1.28
Portobello Jn (London)
pass
2150½
pass
2151½
+1
4
3
1.68
Ladbroke Grove
pass
2151
pass
2152¼
+1
3
DM
2.55
Old Oak Common East
pass
2151½
pass
2153¼
+1
3.15
Old Oak Common West
pass
2152
pass
2153¾
+1
3.48
Friars Jn
pass
2152½
pass
2153¾
+1
4.16
Acton Main Line [AML]
pass
2153
pass
2154½
+1
4.75
Acton West
pass
2153½
pass
2154¾
+1
ML
ML
5.51
Ealing Broadway [EAL]
1
pass
2154
pass
2155¼
+1
6.41
West Ealing [WEA]
pass
2154½
pass
2155¾
+1
6.49
West Ealing Junction
pass
2154½
pass
2155¾
+1
7.23
Hanwell [HAN]
pass
2154½
pass
2156
+1
8.57
Southall East Jn
pass
2155½
pass
2156¾
+1
9.01
Southall [STL]
1
pass
2155½
pass
2157¼
+1
9.65
Southall West Jn
pass
2156
pass
2157¼
+1
10.66
Hayes & Harlington [HAY]
1
pass
2156½
pass
2158
+1
11.09
Heathrow Airport Jn
pass
2156½
pass
2158
+1
ML
12.04
Stockley Junction
pass
2157
pass
2158¼
+1
12.62
West Drayton East
pass
2157½
pass
2158¾
+1
13.12
West Drayton [WDT]
1
pass
2157½
pass
2159¼
+1
13.26
West Drayton Jcn
pass
2157½
pass
2159¼
+1
14.55
Iver [IVR]
1
pass
2158
pass
2159¾
+1
16.13
Langley [LNY]
1
pass
2159
pass
2200¾
+2
17.13
Dolphin Jn
pass
2159½
pass
2201¼
+1
18.31
Slough [SLO]
2
pass
2200
pass
2202
+2
ML
19.06
Slough West
pass
2200½
pass
2202½
+2
20.72
Burnham [BNM]
pass
2201½
pass
2203½
+2
22.34
Taplow [TAP]
1
pass
2202
pass
2204¼
+2
23.53
Maidenhead East
pass
2202½
pass
2205
+2
24.14
Maidenhead [MAI]
1
pass
2203
pass
2205½
+2
29.40
Ruscombe
pass
2206
pass
2207¾
+2
30.76
Twyford [TWY]
1
1
pass
2206½
pass
2208½
+2
ML
31.57
Twyford West
pass
2207
pass
2208¾
+1
35.10
Kennet Bridge Jn
pass
2209½
pass
2211¼
+1
35.56
Reading Main Line East
pass
2210
pass
2211¾
+1
35.75
Reading [RDG]
9
2211
2213
2211
2213
2212¾
2214¼
+1
DM
DM
36.12
Reading Main Line West
pass
2213½
pass
2215
+1
36.45
Reading High Level Jn
pass
2214
pass
2216
+2
ML
38.29
Tilehurst East Jn.
pass
2215
pass
2217
+2
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
2224¼
53.20
Didcot West End
pass
2224
No report
53.50
Foxhall Jn [XJF]
pass
2224½
pass
2224½
55.14
Milton Junction
pass
2225
pass
2224¾
56.27
Steventon
pass
2226
pass
2225¾
60.17
Wantage Road
pass
2228
pass
2229½
+1
63.75
Challow
pass
2230
pass
2232¼
+2
66.34
Uffington (Oxfordshire)
1
pass
2231
pass
2233½
+2
72.25
Bourton
pass
2234½
pass
2236¼
+1
74.46
Swindon South Marston Jn
pass
2236
pass
2237½
+1
75.58
Swindon Stratton Green
pass
2236½
pass
2238¼
+1
76.27
Highworth Jn
pass
2237
pass
2238½
+1
76.59
Swindon East Loop
pass
2237
pass
2239¾
+2
77.18
Swindon [SWI]
4
2237
2240
2238
2240
2240½
2243¾
+3
DM
DM
78.31
Rushey Platt
pass
2241½
pass
2245¼
+3
82.67
Wootton Bassett Jn
pass
2244½
pass
2248
+3
DM
DB
89.57
Little Somerford
pass
2248½
pass
2252
+3
94.16
Hullavington
1
pass
2251
pass
2254½
+3
99.76
Badminton
pass
2254½
pass
2257
+2
104.40
Chipping Sodbury
pass
2257
pass
2259¾
+2
107.09
Westerleigh Jn
1
pass
2258½
pass
2301½
+3
111.57
Bristol Parkway [BPW]
2
2302
2304
2302½
2304
2305½
2307
+3
DB
DT
112.79
Patchway [PWY]
2
pass
2305½
pass
2308¾
+3
116.45
Pilning [PIL]
2
pass
2308
pass
2311¾
+3
118.03
Severn Tunnel East
pass
2309
pass
2312½
+3
122.31
Severn Tunnel West
pass
2312½
pass
2316
+3
123.41
Severn Tunnel Junction [STJ]
3
pass
2313½
pass
2317½
+4
DT
DM
125.66
Magor
pass
2315
pass
2319
+4
130.72
Llanwern West Jn
pass
2318½
pass
2322¾
+4
131.63
East Usk Jn.
pass
2319
pass
2323½
+4
132.55
Maindee East Jn
7
pass
2320
pass
2324½
+4
ML
132.77
Maindee West Jn
pass
2327½
pass
2325¼
-2
133.31
Newport (South Wales) [NWP]
2
2329
2330
2328½
2330
2326½
2330
DM
DM
134.13
Gaer Jn
pass
2331½
pass
2333½
+2
DM
134.68
Ebbw Jn
pass
2332½
pass
2335¼
+2
DM
DM
138.41
Marshfield
1 1
pass
2335
pass
2338
+3
142.42
Rumney River Bridge Jn
pass
2339
pass
2343
+3
143.01
Pengam Jn
pass
2339½
pass
2343½
+3
143.46
Moorland Road Junction
pass
2340½
pass
2344¼
+4
144.16
Long Dyke Jn
pass
2341
pass
2345
+4
C
144.79
Cardiff East
pass
2342½
pass
2346¼
+3
DM
D
145.11
Cardiff Central [CDF]
2
Pathed as Class 80x on diesel from here
3
2343
2351
2343½
2351
2347¾
2350¾
D
D
145.37
Cardiff West
pass
2352½
No report
146.36
Leckwith North Jn
pass
2356
pass
2353¼
-2
D
DM
149.14
St Fagans L C
pass
2358
pass
2355¾
-2
154.08
Miskin
pass
0002
pass
2359½
-2
156.21
Pontyclun [PYC]
1
pass
0004
pass
0001½
-2
156.57
Llantrisant [LTI]
pass
0004½
No report
158.53
Llanharan [LLR]
2
pass
0006
pass
0003¾
-2
161.41
Pencoed [PCD]
1
pass
0008
pass
0005½
-2
164.42
Tremains
pass
0010½
pass
0007½
-2
165.26
Bridgend [BGN]
1
0012
0013
0011½
0013
0009¼
0012½
DM
DM
169.46
Stormy
pass
0017½
pass
0017¼
171.21
Pyle [PYL]
1
pass
0018½
pass
0018¼
173.45
Margam Moors Jn.
pass
0020
pass
0019½
DM
175.12
Margam East Jn
pass
0021
pass
0020¾
176.00
Margam Middle Jn
pass
0021½
pass
0021
176.70
Port Talbot East
pass
0022½
No report
177.39
Port Talbot Parkway [PTA]
1
0024
0025
0023½
0025
0023¼
0024½
179.38
Baglan [BAJ]
1
pass
0027
pass
0027¼
180.09
Briton Ferry East
pass
0028
pass
0027½
181.20
Briton Ferry [BNF]
1
pass
0029
pass
0028½
181.38
Court Sart Jn
pass
0029
pass
0028½
183.00
Neath [NTH]
1
1
0031
0032
0031
0032½
0030¼
0031½
-1
185.06
Skewen [SKE]
1
pass
0035½
pass
0034¼
-1
186.68
Llansamlet [LAS]
1
pass
0038
pass
0036
-1
189.42
Landore Junction
pass
0041
pass
0038¾
-2
DM
DSM
190.23
Swansea Loop East
pass
0042
pass
0040
-1
190.67
Swansea [SWA]
3
0044
0044
0042¼
-1
DSM
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