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1B17 1348 London Paddington to Carmarthen
Departing on 3rd December 2025

operated by
Great Western Railway
5 coaches
London Paddington - Swansea
800035
5 coaches
Swansea - Carmarthen
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
1348
1348
1348
3
0.41
Royal Oak Junction
pass
1349
pass
1349¼
3
2
1.28
Portobello Jn (London)
pass
1350½
pass
1350½
1.68
Ladbroke Grove
pass
1351
pass
1351
2
DM
2.55
Old Oak Common East
pass
1351½
pass
1352
3.15
Old Oak Common West
pass
1352
pass
1352½
3.48
Friars Jn
pass
1352½
pass
1352½
4.16
Acton Main Line [AML]
pass
1353
pass
1353¼
4.75
Acton West
pass
1353½
pass
1353½
ML
ML
5.51
Ealing Broadway [EAL]
1
pass
1354
pass
1354
6.41
West Ealing [WEA]
pass
1354½
pass
1354½
6.49
West Ealing Junction
pass
1354½
pass
1354½
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
1356¾
11.09
Heathrow Airport Jn
pass
1356½
pass
1356¾
ML
12.04
Stockley Junction
pass
1357
pass
1357
12.62
West Drayton East
pass
1357½
pass
1357½
13.12
West Drayton [WDT]
1
pass
1357½
pass
1358
13.26
West Drayton Jcn
pass
1357½
pass
1358
14.55
Iver [IVR]
1
pass
1358
pass
1358½
16.13
Langley [LNY]
1
pass
1359
pass
1359½
17.13
Dolphin Jn
pass
1359½
pass
1359¾
18.31
Slough [SLO]
2
pass
1400
pass
1400½
ML
19.06
Slough West
pass
1400½
pass
1400¾
20.72
Burnham [BNM]
pass
1401½
pass
1401½
22.34
Taplow [TAP]
1
pass
1402
pass
1402¼
23.53
Maidenhead East
pass
1402½
pass
1403
24.14
Maidenhead [MAI]
1
pass
1403
pass
1403½
29.40
Ruscombe
pass
1406
pass
1405¾
30.76
Twyford [TWY]
1
1
pass
1406½
pass
1405¾
ML
31.57
Twyford West
pass
1407
pass
1406¾
35.10
Kennet Bridge Jn
pass
1409½
pass
1409
35.56
Reading Main Line East
pass
1410
pass
1409¾
35.75
Reading [RDG]
9
1411
1413
1411
1413
1410¾
1413
DM
DM
36.12
Reading Main Line West
pass
1413½
pass
1413½
36.45
Reading High Level Jn
pass
1414
pass
1414½
ML
38.29
Tilehurst East Jn.
pass
1415
pass
1415½
38.47
Tilehurst [TLH]
1
pass
1415
pass
1415½
41.38
Pangbourne [PAN]
pass
1417
pass
1417
44.55
Goring & Streatley [GOR]
1
1
pass
1419
pass
1418¾
ML
48.32
Cholsey [CHO]
1
pass
1421
pass
1420½
51.32
Moreton Cutting
pass
1423
pass
1421¾
-1
52.61
Didcot East Jn
pass
1424
pass
1422¼
-1
53.05
Didcot Parkway [DID]
1
pass
1424
pass
1422¾
-1
53.20
Didcot West End
pass
1424
No report
53.50
Foxhall Jn [XJF]
pass
1424½
pass
1423
-1
55.14
Milton Junction
pass
1425
pass
1423½
-1
56.27
Steventon
pass
1426
pass
1424¼
-1
60.17
Wantage Road
pass
1428
pass
1426¾
-1
63.75
Challow
pass
1430
pass
1428¾
-1
66.34
Uffington (Oxfordshire)
1
pass
1431
pass
1429¾
-1
72.25
Bourton
pass
1434½
pass
1432¾
-1
74.46
Swindon South Marston Jn
pass
1436
pass
1433¾
-1
75.58
Swindon Stratton Green
pass
1436½
pass
1434¾
-1
76.27
Highworth Jn
pass
1437
pass
1434¾
-2
76.59
Swindon East Loop
pass
1437
pass
1436
-1
77.18
Swindon [SWI]
4
1437
1440
1438
1440
1437
1439¾
DM
DM
82.67
Wootton Bassett Jn
pass
1444½
pass
1444½
DM
DB
89.57
Little Somerford
pass
1448½
pass
1448¾
94.16
Hullavington
1
pass
1451
pass
1451
99.76
Badminton
pass
1454½
pass
1453½
104.40
Chipping Sodbury
pass
1457
pass
1456½
107.09
Westerleigh Jn
pass
1458½
pass
1458
111.57
Bristol Parkway [BPW]
2
1502
1503
1501½
1503½
1502¼
1504
DB
DT
112.79
Patchway [PWY]
2
pass
1505
pass
1505¾
116.45
Pilning [PIL]
2
pass
1507½
pass
1508¾
+1
118.03
Severn Tunnel East
pass
1508½
pass
1509¾
+1
122.31
Severn Tunnel West
pass
1512
pass
1513
+1
123.41
Severn Tunnel Junction [STJ]
3
pass
1513
pass
1514¼
+1
DT
DM
125.66
Magor
pass
1514½
pass
1515¾
+1
130.72
Llanwern West Jn
pass
1518
pass
1519½
+1
131.63
East Usk Jn.
pass
1519
pass
1520
+1
132.55
Maindee East Jn
pass
1519½
pass
1521¼
+1
132.77
Maindee West Jn
pass
1520
pass
1522
+2
133.31
Newport (South Wales) [NWP]
2
1521
1523
1521
1523
1523¼
1524½
+1
DM
DM
134.13
Gaer Jn
pass
1524½
pass
1526
+1
DM
134.68
Ebbw Jn
pass
1525½
pass
1527
+1
DM
DM
138.41
Marshfield
1
pass
1528
pass
1529¾
+1
142.42
Rumney River Bridge Jn
pass
1531½
pass
1532¼
143.01
Pengam Jn
pass
1532
pass
1532¾
+1
143.46
Moorland Road Junction
pass
1532½
pass
1533½
+1
144.16
Long Dyke Jn
pass
1533
pass
1534¼
+1
E
144.79
Cardiff East
pass
1534½
pass
1535½
+1
DM
E
145.11
Cardiff Central [CDF]
Pathed as Class 80x on diesel from here
4
1534
1537
1535
1537
1536½
1539¼
+2
E
D
145.37
Cardiff West
pass
1538
No report
146.36
Leckwith North Jn
pass
1540
pass
1542¼
+2
D
DM
149.14
St Fagans L C
pass
1542
pass
1544½
+2
154.08
Miskin
pass
1546
pass
1548½
+2
156.21
Pontyclun [PYC]
1
pass
1548
pass
1550½
+2
156.57
Llantrisant [LTI]
pass
1548½
No report
158.53
Llanharan [LLR]
2
pass
1550
pass
1552½
+2
161.41
Pencoed [PCD]
1
pass
1552
pass
1554¾
+2
164.42
Tremains
pass
1554½
pass
1557
+2
165.26
Bridgend [BGN]
1
1556
1557
1555½
1557
1558½
1601
+4
DM
DM
169.46
Stormy
pass
1601½
pass
1605¾
+4
171.21
Pyle [PYL]
1
pass
1602½
pass
1607
+4
173.45
Margam Moors Jn.
pass
1604
pass
1608¼
+4
DM
175.12
Margam East Jn
pass
1605
pass
1609½
+4
176.00
Margam Middle Jn
pass
1605½
pass
1610½
+4
176.70
Port Talbot East
pass
1606½
No report
177.39
Port Talbot Parkway [PTA]
1
1608
1609
1607½
1609
1613½
1614¾
+5
179.38
Baglan [BAJ]
1
pass
1611
pass
1618¼
+7
180.09
Briton Ferry East
pass
1612
pass
1619
+7
181.20
Briton Ferry [BNF]
1
pass
1613
pass
1620½
+7
181.38
Court Sart Jn
pass
1613
pass
1620½
+7
183.00
Neath [NTH]
1 ½
1
1615
1616
1615
1616½
1622½
1624¼
+7
185.06
Skewen [SKE]
1
pass
1619½
pass
1627¼
+7
186.68
Llansamlet [LAS]
1
pass
1622
pass
1629
+7
189.42
Landore Junction
pass
1625½
pass
1631¾
+6
DM
DSM
190.23
Swansea Loop East
pass
1626½
pass
1633¼
+6
190.67
Swansea [SWA]
Pathed as Class 80x on diesel from here
Service reverses here
3
1627
1637
1628
1637
1635
1637¾
DSM
USM
191.31
Swansea Loop East
pass
1638½
pass
1639½
+1
USM
DSL
192.04
Swansea Loop West
pass
1640½
pass
1641¼
DSL
DM
194.56
Cockett West
pass
1644
pass
1645
+1
196.35
Gowerton [GWN]
1
pass
1646½
pass
1646½
199.78
Duffryn West
pass
1649½
pass
1649½
200.39
Llandeilo Jn
pass
1650
pass
1650
202.10
Llanelli [LLE]
1
1653
1654
1652½
1654
1652¼
1653
-1
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
1716
-3
DD
222.45
Carmarthen [CMN]
2
1721
1721
1718
-3
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