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1B21 1548 London Paddington to Carmarthen
Departing on 19th April 2024

operated by
Great Western Railway
10 coaches
London Paddington - Swansea
800016
800005
5 coaches
Swansea - Carmarthen
800005
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
5
1548
1548
1547¾
2
0.41
Royal Oak Junction
pass
1549
pass
1549
1.28
Portobello Jn (London)
pass
1550½
pass
1550¼
1.68
Ladbroke Grove
pass
1551
pass
1550¾
2
DM
2.55
Old Oak Common East
pass
1551½
pass
1551¾
3.15
Old Oak Common West
pass
1552
pass
1552¼
3.48
Friars Jn
pass
1552½
pass
1552½
4.16
Acton Main Line [AML]
pass
1553
pass
1553
4.75
Acton West
pass
1553½
pass
1553½
ML
ML
5.51
Ealing Broadway [EAL]
1
pass
1554
pass
1553¾
6.41
West Ealing [WEA]
pass
1554½
pass
1554¼
6.49
West Ealing Junction
pass
1554½
pass
1554¼
7.23
Hanwell [HAN]
pass
1554½
pass
1554½
8.57
Southall East Jn
pass
1555½
pass
1555¼
9.01
Southall [STL]
1
pass
1555½
pass
1556
9.65
Southall West Jn
pass
1556
pass
1556
10.66
Hayes & Harlington [HAY]
1
pass
1556½
pass
1557
11.09
Heathrow Airport Jn
pass
1556½
pass
1557
ML
12.04
Stockley Junction
pass
1557
pass
1557½
12.62
West Drayton East
pass
1557½
pass
1558
13.12
West Drayton [WDT]
1
pass
1557½
pass
1558½
+1
13.26
West Drayton Jcn
pass
1557½
pass
1558½
+1
14.55
Iver [IVR]
1
pass
1558
pass
1559
16.13
Langley [LNY]
1
pass
1559
pass
1600
+1
17.13
Dolphin Jn
pass
1559½
pass
1600¼
+1
18.31
Slough [SLO]
2
pass
1600
pass
1601
+1
ML
19.06
Slough West
pass
1600½
pass
1601¼
20.72
Burnham [BNM]
pass
1601½
pass
1602
22.34
Taplow [TAP]
1
pass
1602
pass
1602¾
23.53
Maidenhead East
pass
1602½
pass
1603½
24.14
Maidenhead [MAI]
1
pass
1603
pass
1604
+1
29.40
Ruscombe
pass
1606
pass
1606
30.76
Twyford [TWY]
1
1
pass
1606½
pass
1606¾
ML
31.57
Twyford West
pass
1607
pass
1607¼
35.10
Kennet Bridge Jn
pass
1609½
pass
1609¼
35.56
Reading Main Line East
pass
1610
pass
1609¾
35.75
Reading [RDG]
9
1611
1613
1611
1613
1611
1613¼
DM
DM
36.12
Reading Main Line West
pass
1613½
pass
1613¾
36.45
Reading High Level Jn
pass
1614
pass
1614¾
ML
38.29
Tilehurst East Jn.
pass
1615
pass
1615¾
38.47
Tilehurst [TLH]
1
pass
1615
pass
1615¾
41.38
Pangbourne [PAN]
pass
1617
pass
1617¼
44.55
Goring & Streatley [GOR]
1
1
pass
1619
pass
1619
ML
48.32
Cholsey [CHO]
1
pass
1621
pass
1620¾
51.32
Moreton Cutting
pass
1623
pass
1622¼
52.61
Didcot East Jn
pass
1624
pass
1622½
-1
53.05
Didcot Parkway [DID]
1
pass
1624
pass
1623
53.20
Didcot West End
pass
1624
No report
53.50
Foxhall Jn [XJF]
pass
1624½
pass
1623¼
55.14
Milton Junction
pass
1625
pass
1623½
-1
56.27
Steventon
pass
1626
pass
1624¼
-1
60.17
Wantage Road
pass
1628
pass
1626½
-1
63.75
Challow
pass
1630
pass
1628¼
-1
DM
66.34
Uffington (Oxfordshire)
1 ½
pass
1631
pass
1629¼
-1
72.25
Bourton
pass
1635
pass
1632¼
-2
74.46
Swindon South Marston Jn
pass
1636½
pass
1633¼
-2
75.58
Swindon Stratton Green
pass
1637
pass
1634
-2
76.27
Highworth Jn
pass
1637½
pass
1634¼
-3
76.59
Swindon East Loop
pass
1637½
pass
1635¼
-2
77.18
Swindon [SWI]
4
1638
1640
1638½
1640½
1636
1640
DM
DM
82.67
Wootton Bassett Jn
pass
1645
pass
1644¾
DM
DB
89.57
Little Somerford
pass
1649
pass
1649
94.16
Hullavington
1
pass
1651½
pass
1651¼
99.76
Badminton
pass
1655
pass
1653¾
104.40
Chipping Sodbury
pass
1657½
pass
1656
-1
107.09
Westerleigh Jn
½
pass
1659
pass
1657½
-1
111.57
Bristol Parkway [BPW]
2
1702
1704
1702½
1704
1701¼
1704¾
DB
DT
112.79
Patchway [PWY]
2
pass
1705½
pass
1706¼
116.45
Pilning [PIL]
2
pass
1708
pass
1709
+1
118.03
Severn Tunnel East
pass
1709
pass
1710
+1
122.31
Severn Tunnel West
pass
1712½
pass
1713¼
123.41
Severn Tunnel Junction [STJ]
3
pass
1713½
pass
1714¾
+1
DT
DM
125.66
Magor
pass
1715
pass
1716¼
+1
130.72
Llanwern West Jn
pass
1718½
pass
1720
+1
131.63
East Usk Jn.
pass
1719½
pass
1720½
+1
132.55
Maindee East Jn
pass
1720
pass
1721½
+1
132.77
Maindee West Jn
pass
1720½
pass
1722¼
+1
133.31
Newport (South Wales) [NWP]
2
1721
1724
1721½
1724½
1723½
1725¼
DM
DM
134.13
Gaer Jn
pass
1726
pass
1727
+1
DM
134.68
Ebbw Jn
pass
1727
pass
1727¾
DM
DM
138.41
Marshfield
1 1
pass
1729½
pass
1730¾
+1
142.42
Rumney River Bridge Jn
pass
1733½
pass
1733
143.01
Pengam Jn
pass
1734
pass
1733½
143.46
Moorland Road Junction
pass
1735
pass
1734
144.16
Long Dyke Jn
½
pass
1735½
pass
1735
E
144.79
Cardiff East
pass
1737
pass
1736
-1
DM
E
145.11
Cardiff Central [CDF]
1
Pathed as Class 80x on diesel from here
3
1737
1741
1738
1741
1737¼
1740¾
E
D
145.37
Cardiff West
pass
1742½
No report
146.36
Leckwith North Jn
pass
1745
pass
1743¾
-1
D
DM
149.14
St Fagans L C
pass
1747
pass
1746¼
154.08
Miskin
pass
1751
pass
1750½
156.21
Pontyclun [PYC]
1
pass
1753
pass
1752½
156.57
Llantrisant [LTI]
pass
1753½
No report
158.53
Llanharan [LLR]
2
pass
1755
pass
1759
+4
161.41
Pencoed [PCD]
1
pass
1757
pass
1804
+7
164.42
Tremains
pass
1759½
pass
1806½
+7
165.26
Bridgend [BGN]
1
1801
1802
1800½
1802
1810¼
1813¾
+11
DM
DM
169.46
Stormy
½
pass
1806½
pass
1818½
+12
171.21
Pyle [PYL]
1
pass
1808
pass
1819½
+11
173.45
Margam Moors Jn.
pass
1809½
pass
1820¾
+11
DM
175.12
Margam Yard Jn.
pass
1810½
No report
176.00
Margam Middle Jn
pass
1811½
pass
1822¼
+10
176.70
Port Talbot East
pass
1812
No report
177.39
Port Talbot Parkway [PTA]
1
1813
1814
1813
1814½
1824¼
1825¼
+10
179.38
Baglan [BAJ]
1
pass
1816½
pass
1828¼
+11
180.09
Briton Ferry East
pass
1817½
pass
1828½
+11
181.20
Briton Ferry [BNF]
1
pass
1818½
pass
1829¾
+11
181.38
Court Sart Jn
pass
1818½
pass
1829½
+11
183.00
Neath [NTH]
1
1
1821
1822
1820½
1822
1831¼
1832½
+10
185.06
Skewen [SKE]
1
pass
1825
pass
1835½
+10
186.68
Llansamlet [LAS]
1
pass
1827½
pass
1837¼
+10
189.42
Landore Junction
pass
1830½
pass
1840¼
+9
DM
DSM
190.23
Swansea Loop East
pass
1831½
pass
1841½
+10
190.67
Swansea [SWA]
Service divides here, reverses here
2
1833
1905
1833
1905½
1843½
1904¼
-1
DSM
USM
191.31
Swansea Loop East
pass
1907
pass
1906
USM
DSL
192.04
Swansea Loop West
pass
1909½
pass
1908
-1
DSL
DM
194.56
Cockett West
pass
1912½
pass
1911¾
196.35
Gowerton [GWN]
1
pass
1914½
pass
1913½
-1
199.78
Duffryn West
pass
1917½
pass
1916¼
-1
200.39
Llandeilo Jn
pass
1918
pass
1916½
-1
202.10
Llanelli [LLE]
1
1920
1921
1919½
1921
1919
1920½
206.05
Pembrey & Burry Port [PBY]
2
1926
1927
1926
1927½
1926¾
1929
+1
210.64
Kidwelly Junction
pass
1932
No report
211.22
Kidwelly [KWL]
½
pass
1932½
pass
1934
+1
215.41
Ferryside [FYS]
1
pass
1937
pass
1937
222.00
Carmarthen Jn [XCI]
pass
1946½
pass
1946
222.45
Carmarthen [CMN]
2
1949
1949
1949
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