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1B36 2148 London Paddington to Swansea
Departing on 5th January 2026

operated by
Great Western Railway
10 coaches
800010
800035
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
2149
+1
3
0.41
Royal Oak Junction
pass
2149
pass
2150¼
+1
3
2
1.28
Portobello Jn (London)
pass
2150½
pass
2151½
+1
1.68
Ladbroke Grove
pass
2151
pass
2152¼
+1
2
DM
2.55
Old Oak Common East
pass
2151½
pass
2153
+1
3.15
Old Oak Common West
pass
2152
pass
2153½
+1
3.48
Friars Jn
pass
2152½
pass
2153¾
+1
4.16
Acton Main Line [AML]
pass
2153
pass
2154¼
+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
2155½
+1
6.49
West Ealing Junction
pass
2154½
pass
2155½
+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
2157¾
+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
2205¼
+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
2209
+2
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
2213
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
2216¾
+1
38.47
Tilehurst [TLH]
1
pass
2215
pass
2216¾
+1
41.38
Pangbourne [PAN]
pass
2217
pass
2218¼
+1
44.55
Goring & Streatley [GOR]
1
1
pass
2219
pass
2220
+1
ML
48.32
Cholsey [CHO]
1
pass
2221
pass
2221¾
51.32
Moreton Cutting
pass
2223
pass
2223
52.61
Didcot East Jn
pass
2224
pass
2223½
53.05
Didcot Parkway [DID]
1
pass
2224
pass
2224
53.20
Didcot West End
pass
2224
No report
53.50
Foxhall Jn [XJF]
pass
2224½
pass
2224¼
55.14
Milton Junction
pass
2225
pass
2224¾
56.27
Steventon
pass
2226
pass
2225¾
60.17
Wantage Road
pass
2228
pass
2229¾
+1
63.75
Challow
pass
2230
pass
2232¾
+2
66.34
Uffington (Oxfordshire)
1
pass
2231
pass
2233¾
+2
72.25
Bourton
pass
2234½
pass
2236¾
+2
74.46
Swindon South Marston Jn
pass
2236
pass
2238
+2
75.58
Swindon Stratton Green
pass
2236½
pass
2238¾
+2
76.27
Highworth Jn
pass
2237
pass
2239
+2
76.59
Swindon East Loop
pass
2237
pass
2240
+2
77.18
Swindon [SWI]
4
2237
2240
2238
2240
2241
2242
+2
DM
DM
78.31
Rushey Platt
pass
2241½
pass
2243½
+2
82.67
Wootton Bassett Jn
pass
2244½
pass
2247
+2
DM
DB
89.57
Little Somerford
pass
2248½
pass
2251
+2
94.16
Hullavington
1
pass
2251
pass
2253½
+2
99.76
Badminton
pass
2254½
pass
2256
+1
104.40
Chipping Sodbury
pass
2257
pass
2258¾
+2
107.09
Westerleigh Jn
1
pass
2258½
pass
2300½
+2
111.57
Bristol Parkway [BPW]
2
2302
2304
2302½
2304
2304¾
2306½
+2
DB
DT
112.79
Patchway [PWY]
2
pass
2305½
pass
2308
+2
116.45
Pilning [PIL]
2
pass
2308
pass
2311
+3
118.03
Severn Tunnel East
pass
2309
pass
2312
+3
122.31
Severn Tunnel West
pass
2312½
pass
2315½
+3
123.41
Severn Tunnel Junction [STJ]
3
pass
2313½
pass
2316¾
+3
DT
DM
125.66
Magor
pass
2315
pass
2318¼
+3
130.72
Llanwern West Jn
pass
2318½
pass
2322
+3
131.63
East Usk Jn.
pass
2319
pass
2322¾
+3
132.55
Maindee East Jn
7
pass
2320
pass
2323¾
+3
ML
132.77
Maindee West Jn
pass
2327½
pass
2324½
-2
133.31
Newport (South Wales) [NWP]
3
2329
2330
2328½
2330
2325¾
2329½
DM
DM
134.13
Gaer Jn
pass
2331½
pass
2331
DM
134.68
Ebbw Jn
pass
2332½
pass
2332
DM
DM
138.41
Marshfield
1 1
pass
2335
pass
2334¾
142.42
Rumney River Bridge Jn
pass
2339
pass
2337¼
-1
143.01
Pengam Jn
pass
2339½
pass
2337¾
-1
143.46
Moorland Road Junction
pass
2340½
pass
2338¼
-2
144.16
Long Dyke Jn
pass
2341
pass
2339
-1
C
144.79
Cardiff East
pass
2342½
pass
2340¼
-2
DM
C
145.11
Cardiff Central [CDF]
2
Pathed as Class 80x on diesel from here
2
2343
2351
2343½
2351
2341½
2350½
C
D
145.37
Cardiff West
pass
2352½
No report
146.36
Leckwith North Jn
pass
2356
pass
2353½
-2
D
DM
149.14
St Fagans L C
pass
2358
pass
2355¾
-2
154.08
Miskin
pass
0002
pass
2359¾
-2
156.21
Pontyclun [PYC]
1
pass
0004
pass
0001¾
-2
156.57
Llantrisant [LTI]
pass
0004½
No report
158.53
Llanharan [LLR]
2
pass
0006
pass
0003¾
-1
161.41
Pencoed [PCD]
1
pass
0008
pass
0005¾
-2
164.42
Tremains
pass
0010½
pass
0007¾
-2
165.26
Bridgend [BGN]
1
0012
0013
0011½
0013
0009½
0012½
DM
DM
169.46
Stormy
pass
0017½
pass
0017½
171.21
Pyle [PYL]
1
pass
0018½
pass
0018¾
173.45
Margam Moors Jn.
pass
0020
pass
0019¾
DM
175.12
Margam East Jn
pass
0021
pass
0021¼
176.00
Margam Middle Jn
pass
0021½
pass
0021½
176.70
Port Talbot East
pass
0022½
No report
177.39
Port Talbot Parkway [PTA]
1
0024
0025
0023½
0025
0023½
0024½
179.38
Baglan [BAJ]
1
pass
0027
pass
0027½
180.09
Briton Ferry East
pass
0028
pass
0028
181.20
Briton Ferry [BNF]
1
pass
0029
pass
0029½
181.38
Court Sart Jn
pass
0029
pass
0029½
183.00
Neath [NTH]
1
1
0031
0032
0031
0032½
0031½
0032½
185.06
Skewen [SKE]
1
pass
0035½
pass
0035½
186.68
Llansamlet [LAS]
1
pass
0038
pass
0037¼
189.42
Landore Junction
pass
0041
pass
0040¼
DM
DSM
190.23
Swansea Loop East
pass
0042
pass
0041½
190.67
Swansea [SWA]
3
0044
0044
0044
DSM
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