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1B17 1348 London Paddington to Carmarthen
Departing on 8th December 2025

operated by
Great Western Railway
5 coaches
London Paddington - Swansea
800034
5 coaches
Swansea - Carmarthen
800034
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
2
1348
1348
1348¼
2
0.41
Royal Oak Junction
pass
1349
pass
1349¼
1.28
Portobello Jn (London)
pass
1350½
pass
1350¼
1.68
Ladbroke Grove
pass
1351
pass
1351
2
DM
2.55
Old Oak Common East
pass
1351½
pass
1351¾
3.15
Old Oak Common West
pass
1352
pass
1352¼
3.48
Friars Jn
pass
1352½
pass
1352½
4.16
Acton Main Line [AML]
pass
1353
pass
1353
4.75
Acton West
pass
1353½
pass
1353½
ML
ML
5.51
Ealing Broadway [EAL]
1
pass
1354
pass
1353¾
6.41
West Ealing [WEA]
pass
1354½
pass
1354¼
6.49
West Ealing Junction
pass
1354½
pass
1354¼
7.23
Hanwell [HAN]
pass
1354½
pass
1354¾
8.57
Southall East Jn
pass
1355½
pass
1355½
9.01
Southall [STL]
1
pass
1355½
pass
1356
9.65
Southall West Jn
pass
1356
pass
1356
10.66
Hayes & Harlington [HAY]
1
pass
1356½
pass
1357
11.09
Heathrow Airport Jn
pass
1356½
pass
1356¾
ML
12.04
Stockley Junction
pass
1357
pass
1357¾
+1
DM
DR
12.62
West Drayton East
pass
1357½
pass
1359
+1
13.12
West Drayton [WDT]
3
pass
1357½
pass
1359¾
+2
13.26
West Drayton Jcn
pass
1357½
pass
1400
+2
14.55
Iver [IVR]
3
pass
1358
pass
1401
+2
16.13
Langley [LNY]
3
pass
1359
pass
1404
+5
17.13
Dolphin Jn
pass
1359½
pass
1406
+6
DR
DM
18.31
Slough [SLO]
2
pass
1400
pass
1407¾
+7
ML
19.06
Slough West
pass
1400½
pass
1408
+7
20.72
Burnham [BNM]
pass
1401½
pass
1409
+7
22.34
Taplow [TAP]
1
pass
1402
pass
1410
+7
23.53
Maidenhead East
pass
1402½
pass
1410¾
+8
24.14
Maidenhead [MAI]
1
pass
1403
pass
1411¼
+8
29.40
Ruscombe
pass
1406
pass
1413¼
+7
30.76
Twyford [TWY]
1
1
pass
1406½
pass
1414
+7
ML
31.57
Twyford West
pass
1407
pass
1414½
+7
35.10
Kennet Bridge Jn
pass
1409½
pass
1416½
+7
35.56
Reading Main Line East
pass
1410
pass
1417
+6
35.75
Reading [RDG]
9
1411
1413
1411
1413
1418¼
1419¾
+6
DM
DM
36.12
Reading Main Line West
pass
1413½
pass
1420½
+6
36.45
Reading High Level Jn
pass
1414
pass
1421¼
+7
ML
38.29
Tilehurst East Jn.
pass
1415
pass
1422¼
+7
38.47
Tilehurst [TLH]
1
pass
1415
pass
1422¼
+7
41.38
Pangbourne [PAN]
pass
1417
pass
1423¾
+6
44.55
Goring & Streatley [GOR]
1
1
pass
1419
pass
1425½
+6
ML
48.32
Cholsey [CHO]
1
pass
1421
pass
1427¼
+6
51.32
Moreton Cutting
pass
1423
pass
1428½
+5
52.61
Didcot East Jn
pass
1424
pass
1429
+5
53.05
Didcot Parkway [DID]
1
pass
1424
pass
1429½
+5
53.20
Didcot West End
pass
1424
No report
53.50
Foxhall Jn [XJF]
pass
1424½
pass
1429¾
+5
55.14
Milton Junction
pass
1425
pass
1430
+5
56.27
Steventon
pass
1426
pass
1430¾
+5
60.17
Wantage Road
pass
1428
pass
1433¼
+5
63.75
Challow
pass
1430
pass
1435½
+5
66.34
Uffington (Oxfordshire)
1
pass
1431
pass
1436½
+5
72.25
Bourton
pass
1434½
pass
1439½
+4
74.46
Swindon South Marston Jn
pass
1436
pass
1440½
+4
75.58
Swindon Stratton Green
pass
1436½
pass
1441¼
+4
76.27
Highworth Jn
pass
1437
pass
1441¼
+4
76.59
Swindon East Loop
pass
1437
pass
1442½
+5
77.18
Swindon [SWI]
4
1437
1440
1438
1440
1443¼
1444½
+4
DM
DM
82.67
Wootton Bassett Jn
pass
1444½
pass
1448¾
+4
DM
DB
89.57
Little Somerford
pass
1448½
pass
1453
+4
94.16
Hullavington
1
pass
1451
pass
1455½
+4
99.76
Badminton
pass
1454½
pass
1458
+3
104.40
Chipping Sodbury
pass
1457
pass
1500¾
+3
107.09
Westerleigh Jn
pass
1458½
pass
1502½
+4
111.57
Bristol Parkway [BPW]
2
1502
1503
1501½
1503½
1506¼
1508¾
+5
DB
DT
112.79
Patchway [PWY]
2
pass
1505
pass
1510¼
+5
116.45
Pilning [PIL]
2
pass
1507½
pass
1513¾
+6
118.03
Severn Tunnel East
pass
1508½
pass
1515¼
+6
122.31
Severn Tunnel West
pass
1512
pass
1518½
+6
123.41
Severn Tunnel Junction [STJ]
3
pass
1513
pass
1520
+7
DT
DM
125.66
Magor
pass
1514½
pass
1521½
+7
130.72
Llanwern West Jn
pass
1518
pass
1525
+7
131.63
East Usk Jn.
pass
1519
pass
1525½
+6
132.55
Maindee East Jn
pass
1519½
pass
1526½
+6
132.77
Maindee West Jn
pass
1520
pass
1527¼
+7
133.31
Newport (South Wales) [NWP]
2
1521
1523
1521
1523
1528½
1530
+7
DM
DM
134.13
Gaer Jn
pass
1524½
pass
1531½
+7
DM
134.68
Ebbw Jn
pass
1525½
pass
1532½
+7
DM
DM
138.41
Marshfield
1
pass
1528
pass
1535¼
+7
142.42
Rumney River Bridge Jn
pass
1531½
pass
1537½
+6
143.01
Pengam Jn
pass
1532
pass
1538
+6
143.46
Moorland Road Junction
pass
1532½
pass
1538½
+6
144.16
Long Dyke Jn
pass
1533
pass
1539¼
+6
E
144.79
Cardiff East
pass
1534½
pass
1540¼
+6
DM
E
145.11
Cardiff Central [CDF]
Pathed as Class 80x on diesel from here
4
1534
1537
1535
1537
1541½
1544
+7
E
D
145.37
Cardiff West
pass
1538
No report
146.36
Leckwith North Jn
pass
1540
pass
1547½
+7
D
DM
149.14
St Fagans L C
pass
1542
pass
1550
+8
154.08
Miskin
pass
1546
pass
1554
+7
156.21
Pontyclun [PYC]
1
pass
1548
pass
1556
+8
156.57
Llantrisant [LTI]
pass
1548½
No report
158.53
Llanharan [LLR]
2
pass
1550
pass
1558
+8
161.41
Pencoed [PCD]
1
pass
1552
pass
1600¼
+8
164.42
Tremains
pass
1554½
pass
1602
+7
165.26
Bridgend [BGN]
1
1556
1557
1555½
1557
1603¾
1605¼
+8
DM
DM
169.46
Stormy
pass
1601½
pass
1610¾
+9
171.21
Pyle [PYL]
1
pass
1602½
pass
1612
+9
173.45
Margam Moors Jn.
pass
1604
pass
1613¼
+9
DM
175.12
Margam East Jn
pass
1605
pass
1614½
+9
176.00
Margam Middle Jn
pass
1605½
pass
1614¾
+9
176.70
Port Talbot East
pass
1606½
No report
177.39
Port Talbot Parkway [PTA]
1
1608
1609
1607½
1609
1616¾
1617¾
+8
179.38
Baglan [BAJ]
1
pass
1611
pass
1620¾
+9
180.09
Briton Ferry East
pass
1612
pass
1621¼
+9
181.20
Briton Ferry [BNF]
1
pass
1613
pass
1622½
+9
181.38
Court Sart Jn
pass
1613
pass
1622½
+9
183.00
Neath [NTH]
1 ½
1
1615
1616
1615
1616½
1624¼
1625¾
+9
185.06
Skewen [SKE]
1
pass
1619½
pass
1629
+9
186.68
Llansamlet [LAS]
1
pass
1622
pass
1631¼
+9
189.42
Landore Junction
pass
1625½
pass
1634
+8
DM
DSM
190.23
Swansea Loop East
pass
1626½
pass
1635½
+9
190.67
Swansea [SWA]
Pathed as Class 80x on diesel from here
Service reverses here
3
1627
1637
1628
1637
1637½
1641
+4
DSM
USM
191.31
Swansea Loop East
pass
1638½
pass
1642¾
+4
USM
DSL
192.04
Swansea Loop West
pass
1640½
pass
1644½
+4
DSL
DM
194.56
Cockett West
pass
1644
pass
1648½
+4
196.35
Gowerton [GWN]
1
pass
1646½
pass
1650
+3
199.78
Duffryn West
pass
1649½
pass
1653
+3
200.39
Llandeilo Jn
pass
1650
pass
1653½
+3
202.10
Llanelli [LLE]
1
1653
1654
1652½
1654
1655¾
1656
+2
DD
206.05
Pembrey & Burry Port [PBY]
1700
1701
1659½
1701
No report
210.64
Kidwelly Junction
pass
1706
No report
211.22
Kidwelly [KWL]
pass
1706½
No report
215.41
Ferryside [FYS]
1
pass
1710
No report
222.00
Carmarthen Jn [XCI]
pass
1719
pass
1719
DD
222.45
Carmarthen [CMN]
1
1721
1721
1722
+1
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