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1B17 1348 London Paddington to Carmarthen
Departing on 2nd December 2025

operated by
Great Western Railway
5 coaches
London Paddington - Swansea
800010
5 coaches
Swansea - Carmarthen
800010
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
1348
1348
1350½
+2
3
0.41
Royal Oak Junction
pass
1349
pass
1353¼
+4
3
2
1.28
Portobello Jn (London)
pass
1350½
pass
1354¾
+4
1.68
Ladbroke Grove
pass
1351
pass
1355½
+4
2
DM
2.55
Old Oak Common East
pass
1351½
pass
1356¼
+4
3.15
Old Oak Common West
pass
1352
pass
1357
+4
3.48
Friars Jn
pass
1352½
pass
1357
+4
4.16
Acton Main Line [AML]
pass
1353
pass
1357¾
+4
4.75
Acton West
pass
1353½
pass
1358¼
+4
ML
ML
5.51
Ealing Broadway [EAL]
1
pass
1354
pass
1358½
+4
6.41
West Ealing [WEA]
pass
1354½
pass
1359
+4
6.49
West Ealing Junction
pass
1354½
pass
1359
+4
7.23
Hanwell [HAN]
pass
1354½
pass
1359½
+4
8.57
Southall East Jn
pass
1355½
pass
1400¼
+4
9.01
Southall [STL]
1
pass
1355½
pass
1400¾
+5
9.65
Southall West Jn
pass
1356
pass
1400¾
+4
10.66
Hayes & Harlington [HAY]
1
pass
1356½
pass
1401½
+5
11.09
Heathrow Airport Jn
pass
1356½
pass
1401¼
+4
ML
12.04
Stockley Junction
pass
1357
pass
1401¾
+4
12.62
West Drayton East
pass
1357½
pass
1402
+4
13.12
West Drayton [WDT]
1
pass
1357½
pass
1402½
+5
13.26
West Drayton Jcn
pass
1357½
pass
1402¾
+5
14.55
Iver [IVR]
1
pass
1358
pass
1403¼
+5
16.13
Langley [LNY]
1
pass
1359
pass
1404¼
+5
17.13
Dolphin Jn
pass
1359½
pass
1404½
+5
18.31
Slough [SLO]
2
pass
1400
pass
1405
+5
ML
19.06
Slough West
pass
1400½
pass
1405¼
+5
20.72
Burnham [BNM]
pass
1401½
pass
1406
+4
22.34
Taplow [TAP]
1
pass
1402
pass
1406¾
+4
23.53
Maidenhead East
pass
1402½
pass
1407¾
+5
24.14
Maidenhead [MAI]
1
pass
1403
pass
1408
+5
29.40
Ruscombe
pass
1406
pass
1410¼
+4
30.76
Twyford [TWY]
1
1
pass
1406½
pass
1411
+4
ML
31.57
Twyford West
pass
1407
pass
1411½
+4
35.10
Kennet Bridge Jn
pass
1409½
pass
1414¼
+4
35.56
Reading Main Line East
pass
1410
pass
1417½
+7
35.75
Reading [RDG]
8
1411
1413
1411
1413
1418¾
1421½
+8
DM
DM
36.12
Reading Main Line West
pass
1413½
pass
1422¼
+8
36.45
Reading High Level Jn
pass
1414
pass
1423¼
+9
ML
38.29
Tilehurst East Jn.
pass
1415
pass
1424¼
+9
38.47
Tilehurst [TLH]
1
pass
1415
pass
1424¼
+9
41.38
Pangbourne [PAN]
pass
1417
pass
1425½
+8
44.55
Goring & Streatley [GOR]
1
1
pass
1419
pass
1427½
+8
ML
48.32
Cholsey [CHO]
1
pass
1421
pass
1429
+7
51.32
Moreton Cutting
pass
1423
pass
1434½
+11
52.61
Didcot East Jn
pass
1424
pass
1435½
+11
53.05
Didcot Parkway [DID]
1
pass
1424
pass
1436¼
+12
53.20
Didcot West End
pass
1424
No report
53.50
Foxhall Jn [XJF]
pass
1424½
pass
1436¾
+12
55.14
Milton Junction
pass
1425
pass
1437¼
+12
56.27
Steventon
pass
1426
pass
1438
+12
60.17
Wantage Road
pass
1428
pass
1440½
+12
63.75
Challow
pass
1430
pass
1442½
+12
66.34
Uffington (Oxfordshire)
1
pass
1431
pass
1443½
+12
72.25
Bourton
pass
1434½
pass
1446½
+12
74.46
Swindon South Marston Jn
pass
1436
pass
1447½
+11
75.58
Swindon Stratton Green
pass
1436½
pass
1448¼
+11
76.27
Highworth Jn
pass
1437
pass
1448½
+11
76.59
Swindon East Loop
pass
1437
pass
1449½
+12
77.18
Swindon [SWI]
4
1437
1440
1438
1440
1450½
1451½
+11
DM
DM
82.67
Wootton Bassett Jn
pass
1444½
pass
1456¼
+11
DM
DB
89.57
Little Somerford
pass
1448½
pass
1500½
+12
94.16
Hullavington
1
pass
1451
pass
1502¾
+11
99.76
Badminton
pass
1454½
pass
1505¼
+10
104.40
Chipping Sodbury
pass
1457
pass
1508
+11
107.09
Westerleigh Jn
pass
1458½
pass
1511
+12
111.57
Bristol Parkway [BPW]
2
1502
1503
1501½
1503½
1516½
1518½
+15
DB
DT
112.79
Patchway [PWY]
2
pass
1505
pass
1520
+15
116.45
Pilning [PIL]
2
pass
1507½
pass
1523
+15
118.03
Severn Tunnel East
pass
1508½
pass
1524
+15
122.31
Severn Tunnel West
pass
1512
pass
1527¼
+15
123.41
Severn Tunnel Junction [STJ]
3
pass
1513
pass
1528¾
+15
DT
DM
125.66
Magor
pass
1514½
pass
1530¼
+15
130.72
Llanwern West Jn
pass
1518
pass
1533¾
+15
131.63
East Usk Jn.
pass
1519
pass
1534¼
+15
132.55
Maindee East Jn
pass
1519½
pass
1535¼
+15
132.77
Maindee West Jn
pass
1520
pass
1536
+16
133.31
Newport (South Wales) [NWP]
2
1521
1523
1521
1523
1537¼
1538¼
+15
DM
DM
134.13
Gaer Jn
pass
1524½
pass
1539¾
+15
DM
134.68
Ebbw Jn
pass
1525½
pass
1540¾
+15
DM
DM
138.41
Marshfield
1
pass
1528
pass
1543¼
+15
142.42
Rumney River Bridge Jn
pass
1531½
pass
1545¾
+14
143.01
Pengam Jn
pass
1532
pass
1546¼
+14
143.46
Moorland Road Junction
pass
1532½
pass
1546½
+14
144.16
Long Dyke Jn
pass
1533
pass
1547½
+14
E
144.79
Cardiff East
pass
1534½
pass
1548½
+14
DM
E
145.11
Cardiff Central [CDF]
Pathed as Class 80x on diesel from here
3
1534
1537
1535
1537
1550½
1552½
+15
E
D
145.37
Cardiff West
pass
1538
No report
146.36
Leckwith North Jn
pass
1540
pass
1555¼
+15
D
DM
149.14
St Fagans L C
pass
1542
pass
1557¾
+15
154.08
Miskin
pass
1546
pass
1601¾
+15
156.21
Pontyclun [PYC]
1
pass
1548
pass
1603½
+15
156.57
Llantrisant [LTI]
pass
1548½
No report
158.53
Llanharan [LLR]
2
pass
1550
pass
1605¾
+16
161.41
Pencoed [PCD]
1
pass
1552
pass
1610¼
+18
164.42
Tremains
pass
1554½
pass
1613¾
+19
165.26
Bridgend [BGN]
1
1556
1557
1555½
1557
1616½
1618
+21
DM
DM
169.46
Stormy
pass
1601½
pass
1625¼
+23
171.21
Pyle [PYL]
1
pass
1602½
pass
1626¾
+24
173.45
Margam Moors Jn.
pass
1604
pass
1627¾
+23
DM
175.12
Margam East Jn
pass
1605
pass
1629¼
+24
176.00
Margam Middle Jn
pass
1605½
pass
1629¼
+23
176.70
Port Talbot East
pass
1606½
No report
177.39
Port Talbot Parkway [PTA]
1
1608
1609
1607½
1609
1631½
1632¾
+23
179.38
Baglan [BAJ]
1
pass
1611
pass
1635¾
+24
180.09
Briton Ferry East
pass
1612
pass
1636¼
+24
181.20
Briton Ferry [BNF]
1
pass
1613
pass
1637½
+24
181.38
Court Sart Jn
pass
1613
pass
1637½
+24
183.00
Neath [NTH]
1 ½
1
1615
1616
1615
1616½
1639¼
1641
+24
185.06
Skewen [SKE]
1
pass
1619½
pass
1644½
+24
186.68
Llansamlet [LAS]
1
pass
1622
pass
1646½
+24
189.42
Landore Junction
pass
1625½
pass
1649¼
+23
DM
DSM
190.23
Swansea Loop East
pass
1626½
pass
1650½
+24
190.67
Swansea [SWA]
Pathed as Class 80x on diesel from here
Service reverses here
3
1627
1637
1628
1637
1652¾
1655½
+18
DSM
USM
191.31
Swansea Loop East
pass
1638½
pass
1657¼
+18
USM
DSL
192.04
Swansea Loop West
pass
1640½
pass
1659
+18
DSL
DM
194.56
Cockett West
pass
1644
pass
1703
+19
196.35
Gowerton [GWN]
1
pass
1646½
pass
1704¾
+18
199.78
Duffryn West
pass
1649½
pass
1707½
+18
200.39
Llandeilo Jn
pass
1650
pass
1708
+18
202.10
Llanelli [LLE]
1
1653
1654
1652½
1654
1710¼
1711
+17
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
1733
+14
DD
222.45
Carmarthen [CMN]
2
1721
1721
1735
+14
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