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1B36 2148 London Paddington to Swansea
Departing on 6th January 2026

operated by
Great Western Railway
9 coaches
802111
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
2153¾
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
2157¼
13.12
West Drayton [WDT]
1
pass
2157½
pass
2157¾
13.26
West Drayton Jcn
pass
2157½
pass
2157¾
14.55
Iver [IVR]
1
pass
2158
pass
2158½
16.13
Langley [LNY]
1
pass
2159
pass
2159¾
17.13
Dolphin Jn
pass
2159½
pass
2200¼
18.31
Slough [SLO]
2
pass
2200
pass
2201
+1
ML
19.06
Slough West
pass
2200½
pass
2201½
+1
20.72
Burnham [BNM]
pass
2201½
pass
2202½
+1
22.34
Taplow [TAP]
1
pass
2202
pass
2203¼
+1
23.53
Maidenhead East
pass
2202½
pass
2204
+1
24.14
Maidenhead [MAI]
1
pass
2203
pass
2204½
+1
29.40
Ruscombe
pass
2206
pass
2206½
30.76
Twyford [TWY]
1
1
pass
2206½
pass
2207¼
ML
31.57
Twyford West
pass
2207
pass
2207¾
35.10
Kennet Bridge Jn
pass
2209½
pass
2210
35.56
Reading Main Line East
pass
2210
pass
2210¾
35.75
Reading [RDG]
9
2211
2213
2211
2213
2211¾
2213
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
2216
38.47
Tilehurst [TLH]
1
pass
2215
pass
2216
41.38
Pangbourne [PAN]
pass
2217
pass
2217¼
44.55
Goring & Streatley [GOR]
1
1
pass
2219
pass
2219¼
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
2222¾
-1
53.05
Didcot Parkway [DID]
1
pass
2224
pass
2223¼
53.20
Didcot West End
pass
2224
No report
53.50
Foxhall Jn [XJF]
pass
2224½
pass
2223½
55.14
Milton Junction
pass
2225
pass
2224
-1
56.27
Steventon
pass
2226
pass
2224¾
60.17
Wantage Road
pass
2228
pass
2229
+1
63.75
Challow
pass
2230
pass
2231¾
+1
66.34
Uffington (Oxfordshire)
1
pass
2231
pass
2233
+2
72.25
Bourton
pass
2234½
pass
2235¾
+1
74.46
Swindon South Marston Jn
pass
2236
pass
2237
+1
75.58
Swindon Stratton Green
pass
2236½
pass
2237¾
+1
76.27
Highworth Jn
pass
2237
pass
2238
+1
76.59
Swindon East Loop
pass
2237
pass
2239¼
+2
77.18
Swindon [SWI]
4
2237
2240
2238
2240
2240
2240¾
DM
DM
78.31
Rushey Platt
pass
2241½
pass
2242¾
+1
82.67
Wootton Bassett Jn
pass
2244½
pass
2246
+1
DM
DB
89.57
Little Somerford
pass
2248½
pass
2250¼
+1
94.16
Hullavington
1
pass
2251
pass
2252½
+1
99.76
Badminton
pass
2254½
pass
2255
104.40
Chipping Sodbury
pass
2257
pass
2258
+1
107.09
Westerleigh Jn
1
pass
2258½
pass
2259¾
+1
111.57
Bristol Parkway [BPW]
2
2302
2304
2302½
2304
2304
2305½
+1
DB
DT
112.79
Patchway [PWY]
2
pass
2305½
pass
2307¼
+1
116.45
Pilning [PIL]
2
pass
2308
pass
2310¼
+2
118.03
Severn Tunnel East
pass
2309
pass
2311¼
+2
122.31
Severn Tunnel West
pass
2312½
pass
2314½
+2
123.41
Severn Tunnel Junction [STJ]
3
pass
2313½
pass
2316
+2
DT
DM
125.66
Magor
pass
2315
pass
2317½
+2
130.72
Llanwern West Jn
pass
2318½
pass
2321¼
+2
131.63
East Usk Jn.
pass
2319
pass
2321¾
+2
132.55
Maindee East Jn
7
pass
2320
pass
2322¾
+2
ML
132.77
Maindee West Jn
pass
2327½
pass
2323¾
-3
133.31
Newport (South Wales) [NWP]
2
2329
2330
2328½
2330
2325
2329½
DM
DM
134.13
Gaer Jn
pass
2331½
pass
2331
DM
134.68
Ebbw Jn
pass
2332½
pass
2331¾
DM
DM
138.41
Marshfield
1 1
pass
2335
pass
2334½
142.42
Rumney River Bridge Jn
pass
2339
pass
2337
-2
143.01
Pengam Jn
pass
2339½
pass
2337½
-2
143.46
Moorland Road Junction
pass
2340½
pass
2338
-2
144.16
Long Dyke Jn
pass
2341
pass
2338¾
-2
C
144.79
Cardiff East
pass
2342½
pass
2340
-2
DM
C
145.11
Cardiff Central [CDF]
2
Pathed as Class 80x on diesel from here
2
2343
2351
2343½
2351
2341¼
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
2356
-2
154.08
Miskin
pass
0002
pass
0000
-2
156.21
Pontyclun [PYC]
1
pass
0004
pass
0002
-1
156.57
Llantrisant [LTI]
pass
0004½
No report
158.53
Llanharan [LLR]
2
pass
0006
pass
0004¼
-1
161.41
Pencoed [PCD]
1
pass
0008
pass
0006¼
-1
164.42
Tremains
pass
0010½
pass
0008¼
-1
165.26
Bridgend [BGN]
1
0012
0013
0011½
0013
0010
0012½
DM
DM
169.46
Stormy
pass
0017½
pass
0018
171.21
Pyle [PYL]
1
pass
0018½
pass
0019½
173.45
Margam Moors Jn.
pass
0020
pass
0020½
DM
175.12
Margam East Jn
pass
0021
pass
0022
+1
176.00
Margam Middle Jn
pass
0021½
pass
0022¼
176.70
Port Talbot East
pass
0022½
No report
177.39
Port Talbot Parkway [PTA]
1
0024
0025
0023½
0025
0024½
0025¼
179.38
Baglan [BAJ]
1
pass
0027
pass
0028¼
+1
180.09
Briton Ferry East
pass
0028
pass
0028¾
181.20
Briton Ferry [BNF]
1
pass
0029
pass
0030
+1
181.38
Court Sart Jn
pass
0029
pass
0030
+1
183.00
Neath [NTH]
1
1
0031
0032
0031
0032½
0031¾
0033
185.06
Skewen [SKE]
1
pass
0035½
pass
0036¼
186.68
Llansamlet [LAS]
1
pass
0038
pass
0038½
189.42
Landore Junction
pass
0041
pass
0041¼
DM
DSM
190.23
Swansea Loop East
pass
0042
pass
0042½
190.67
Swansea [SWA]
3
0044
0044
0044¾
DSM
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