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1B35 1245 London Paddington to Swansea
Departing on 4th January 2026

operated by
Great Western Railway
10 coaches
800035
800002
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
1245
1245
1246
+1
3
0.41
Royal Oak Junction
pass
1246
pass
1247¼
+1
3
2
1.28
Portobello Jn (London)
pass
1247½
pass
1248½
+1
1.68
Ladbroke Grove
pass
1248
pass
1249
+1
2
DM
2.55
Old Oak Common East
pass
1248½
pass
1250
+1
3.15
Old Oak Common West
pass
1249
pass
1250½
+1
3.48
Friars Jn
pass
1249½
pass
1250¾
+1
4.16
Acton Main Line [AML]
pass
1250
pass
1251¼
+1
4.75
Acton West
pass
1250½
pass
1251¾
+1
ML
ML
5.51
Ealing Broadway [EAL]
1
pass
1251
pass
1252¼
+1
6.41
West Ealing [WEA]
pass
1251½
pass
1252½
+1
6.49
West Ealing Junction
pass
1251½
pass
1252½
+1
7.23
Hanwell [HAN]
pass
1251½
pass
1253
+1
8.57
Southall East Jn
pass
1252½
pass
1253¾
+1
9.01
Southall [STL]
1
pass
1252½
pass
1254¼
+1
9.65
Southall West Jn
pass
1253
pass
1254¼
+1
10.66
Hayes & Harlington [HAY]
1
pass
1253½
pass
1255
+1
11.09
Heathrow Airport Jn
pass
1253½
pass
1254¾
+1
ML
12.04
Stockley Junction
pass
1254
pass
1255¼
+1
12.62
West Drayton East
pass
1254½
pass
1255¾
+1
13.12
West Drayton [WDT]
1
pass
1254½
pass
1256¼
+1
13.26
West Drayton Jcn
pass
1254½
pass
1256¼
+1
14.55
Iver [IVR]
1
pass
1255
pass
1256¾
+1
16.13
Langley [LNY]
1
pass
1256
pass
1257¾
+2
17.13
Dolphin Jn
pass
1256½
pass
1258¼
+2
18.31
Slough [SLO]
2
pass
1257
pass
1259¼
+2
ML
19.06
Slough West
pass
1257½
pass
1259½
+2
20.72
Burnham [BNM]
pass
1258½
pass
1300¾
+2
22.34
Taplow [TAP]
1
pass
1259
pass
1301½
+2
23.53
Maidenhead East
pass
1259½
pass
1302¼
+2
24.14
Maidenhead [MAI]
1
pass
1300
pass
1302¾
+2
29.40
Ruscombe
pass
1303
pass
1305
+2
30.76
Twyford [TWY]
1
1
pass
1303½
pass
1305¾
+2
ML
31.57
Twyford West
pass
1304
pass
1306
+2
35.10
Kennet Bridge Jn
pass
1306½
pass
1308½
+2
35.56
Reading Main Line East
pass
1307
pass
1309¼
+2
35.75
Reading [RDG]
9
1308
1310
1308
1310
1310¼
1312
+2
DM
DM
36.12
Reading Main Line West
pass
1310½
pass
1312¾
+2
36.45
Reading High Level Jn
pass
1311
pass
1313¾
+2
ML
38.29
Tilehurst East Jn.
pass
1312
pass
1314¾
+2
38.47
Tilehurst [TLH]
1
pass
1312
pass
1315
+2
41.38
Pangbourne [PAN]
pass
1314
pass
1316¼
+2
44.55
Goring & Streatley [GOR]
1
1
pass
1316
pass
1318¼
+2
ML
48.32
Cholsey [CHO]
1
pass
1318
pass
1319¾
+1
51.32
Moreton Cutting
pass
1320
pass
1321
+1
52.61
Didcot East Jn
pass
1321
pass
1321¾
53.05
Didcot Parkway [DID]
1
pass
1321
pass
1322¼
+1
53.20
Didcot West End
pass
1321
No report
53.50
Foxhall Jn [XJF]
pass
1321½
pass
1322½
+1
55.14
Milton Junction
pass
1322
pass
1322¾
56.27
Steventon
pass
1323
pass
1323½
60.17
Wantage Road
pass
1325
pass
1327½
+2
63.75
Challow
pass
1327
pass
1330¼
+3
66.34
Uffington (Oxfordshire)
1
pass
1328
pass
1331½
+3
72.25
Bourton
pass
1331½
pass
1334½
+3
74.46
Swindon South Marston Jn
pass
1333
pass
1335¾
+2
75.58
Swindon Stratton Green
pass
1333½
pass
1336½
+3
76.27
Highworth Jn
pass
1334
pass
1336¾
+2
76.59
Swindon East Loop
pass
1334
pass
1338
+3
77.18
Swindon [SWI]
4
1335
1338
1335
1338
1339¼
1340¾
+2
DM
DM
78.31
Rushey Platt
pass
1339½
pass
1342½
+3
82.67
Wootton Bassett Jn
pass
1342½
pass
1345¾
+3
DM
DB
89.57
Little Somerford
pass
1346½
pass
1350
+3
94.16
Hullavington
1
pass
1349
pass
1352½
+3
99.76
Badminton
pass
1352½
pass
1354¾
+2
104.40
Chipping Sodbury
pass
1355
pass
1357¾
+2
107.09
Westerleigh Jn
pass
1356½
pass
1359½
+3
111.57
Bristol Parkway [BPW]
2
1400
1401
1359½
1401½
1404
1407
+5
DB
DT
112.79
Patchway [PWY]
2
pass
1403
pass
1408½
+5
116.45
Pilning [PIL]
2
pass
1405½
pass
1411½
+6
118.03
Severn Tunnel East
pass
1406½
pass
1412½
+6
122.31
Severn Tunnel West
pass
1410
pass
1416
+6
123.41
Severn Tunnel Junction [STJ]
3
pass
1411
pass
1417½
+6
DT
DM
125.66
Magor
pass
1412½
pass
1419
+6
130.72
Llanwern West Jn
pass
1416
pass
1422½
+6
131.63
East Usk Jn.
pass
1416½
pass
1423¼
+6
132.55
Maindee East Jn
pass
1417½
pass
1424
+6
ML
132.77
Maindee West Jn
½
pass
1418
pass
1425
+7
133.31
Newport (South Wales) [NWP]
2
1420
1421
1419½
1421
1426
1428
+7
DM
DM
134.13
Gaer Jn
pass
1422½
pass
1429¾
+7
DM
134.68
Ebbw Jn
pass
1423½
pass
1430½
+7
DM
DM
138.41
Marshfield
pass
1426
pass
1433½
+7
142.42
Rumney River Bridge Jn
pass
1429
pass
1435¾
+7
143.01
Pengam Jn
pass
1429
pass
1436¼
+7
143.46
Moorland Road Junction
1
pass
1429½
pass
1436¾
+7
RL
144.16
Long Dyke Jn
pass
1431
pass
1437¾
+6
E
144.79
Cardiff East
pass
1432½
pass
1438¾
+6
DM
D
145.11
Cardiff Central [CDF]
Pathed as Class 80x on diesel from here
3
1435
1435
1433½
1436½
1440¼
1442½
+6
D
D
145.37
Cardiff West
pass
1437½
No report
146.36
Leckwith North Jn
pass
1439½
pass
1445½
+6
D
DM
149.14
St Fagans L C
pass
1441½
pass
1447¾
+6
154.08
Miskin
pass
1445½
pass
1451¾
+6
156.21
Pontyclun [PYC]
1
pass
1447½
pass
1453¾
+6
156.57
Llantrisant [LTI]
pass
1448
No report
158.53
Llanharan [LLR]
2
pass
1449½
pass
1456
+6
161.41
Pencoed [PCD]
1
pass
1451½
pass
1458
+6
164.42
Tremains
pass
1454
pass
1500
+6
165.26
Bridgend [BGN]
1
1454
1456
1455
1457
1501¾
1503¼
+6
DM
DM
169.46
Stormy
pass
1501½
pass
1508½
+7
171.21
Pyle [PYL]
1
pass
1502½
pass
1509¾
+7
173.45
Margam Moors Jn.
pass
1504
pass
1510¾
+6
DM
175.12
Margam East Jn
pass
1505
pass
1512¼
+7
176.00
Margam Middle Jn
pass
1505½
pass
1512½
+6
176.70
Port Talbot East
pass
1506½
No report
177.39
Port Talbot Parkway [PTA]
1
1507
1508
1507½
1509
1514½
1515½
+6
179.38
Baglan [BAJ]
1
pass
1511
pass
1518¾
+7
180.09
Briton Ferry East
pass
1512
pass
1519¼
+7
181.20
Briton Ferry [BNF]
1
pass
1513
pass
1520½
+7
181.38
Court Sart Jn
pass
1513
pass
1520½
+7
183.00
Neath [NTH]
1 1½
1
1514
1515
1515
1516½
1522½
1524½
+8
185.06
Skewen [SKE]
1
pass
1520
pass
1527½
+7
186.68
Llansamlet [LAS]
1
pass
1522½
pass
1529½
+7
189.42
Landore Junction
pass
1526½
pass
1532½
+6
DM
DSM
190.23
Swansea Loop East
pass
1527½
pass
1533¾
+6
190.67
Swansea [SWA]
3
1529
1529
1535¾
+6
DSM
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