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1B21 1548 London Paddington to Swansea
Departing on 24th December 2024

operated by
Great Western Railway
10 coaches
800028
800017
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
1
1548
1548
1548
1
0.41
Royal Oak Junction
pass
1549
pass
1549¼
1.28
Portobello Jn (London)
pass
1550½
pass
1550½
1.68
Ladbroke Grove
pass
1551
pass
1551¼
1
DM
2.55
Old Oak Common East
pass
1551½
pass
1552
3.15
Old Oak Common West
pass
1552
pass
1552½
3.48
Friars Jn
pass
1552½
pass
1552¾
4.16
Acton Main Line [AML]
pass
1553
pass
1553½
4.75
Acton West
pass
1553½
pass
1554
ML
ML
5.51
Ealing Broadway [EAL]
1
pass
1554
pass
1554¼
6.41
West Ealing [WEA]
pass
1554½
pass
1554¾
6.49
West Ealing Junction
pass
1554½
pass
1554¾
7.23
Hanwell [HAN]
pass
1554½
pass
1555¼
8.57
Southall East Jn
pass
1555½
pass
1556
9.01
Southall [STL]
1
pass
1555½
pass
1556½
+1
9.65
Southall West Jn
pass
1556
pass
1556½
10.66
Hayes & Harlington [HAY]
1
pass
1556½
pass
1557¼
+1
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
1606¼
30.76
Twyford [TWY]
1
1
pass
1606½
pass
1607
ML
31.57
Twyford West
pass
1607
pass
1607½
35.10
Kennet Bridge Jn
pass
1609½
pass
1610
35.56
Reading Main Line East
pass
1610
pass
1610½
35.75
Reading [RDG]
9
1611
1613
1611
1613
1611¾
1614
+1
DM
DM
36.12
Reading Main Line West
pass
1613½
pass
1614½
+1
36.45
Reading High Level Jn
pass
1614
pass
1615½
+1
ML
38.29
Tilehurst East Jn.
pass
1615
pass
1616½
+1
38.47
Tilehurst [TLH]
1
pass
1615
pass
1616½
+1
41.38
Pangbourne [PAN]
pass
1617
pass
1618
+1
44.55
Goring & Streatley [GOR]
1
1
pass
1619
pass
1620
+1
ML
48.32
Cholsey [CHO]
1
pass
1621
pass
1621½
51.32
Moreton Cutting
pass
1623
pass
1623
52.61
Didcot East Jn
pass
1624
pass
1623½
53.05
Didcot Parkway [DID]
1
pass
1624
pass
1624
53.20
Didcot West End
pass
1624
No report
53.50
Foxhall Jn [XJF]
pass
1624½
pass
1624¼
55.14
Milton Junction
pass
1625
pass
1624¾
56.27
Steventon
pass
1626
pass
1625½
60.17
Wantage Road
pass
1628
pass
1627½
63.75
Challow
pass
1630
pass
1629½
66.34
Uffington (Oxfordshire)
1 ½
pass
1631
pass
1630½
72.25
Bourton
pass
1635
pass
1633½
-1
74.46
Swindon South Marston Jn
pass
1636½
pass
1634¾
-1
75.58
Swindon Stratton Green
pass
1637
pass
1635¾
-1
76.27
Highworth Jn
pass
1637½
pass
1636
-1
76.59
Swindon East Loop
pass
1637½
pass
1637
77.18
Swindon [SWI]
4
1638
1640
1638½
1640½
1638
1639¾
DM
DM
82.67
Wootton Bassett Jn
pass
1645
pass
1644½
DM
DB
89.57
Little Somerford
pass
1649
pass
1648¾
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
1704½
1701¾
1704¼
DB
DT
112.79
Patchway [PWY]
2
pass
1706
pass
1705¾
116.45
Pilning [PIL]
2
pass
1708½
pass
1708¾
118.03
Severn Tunnel East
pass
1709½
pass
1709½
122.31
Severn Tunnel West
pass
1713
pass
1712¾
123.41
Severn Tunnel Junction [STJ]
3
pass
1714
pass
1714¼
DT
DM
125.66
Magor
pass
1715½
pass
1715¾
130.72
Llanwern West Jn
pass
1719
pass
1719½
131.63
East Usk Jn.
pass
1720
pass
1720
132.55
Maindee East Jn
pass
1720½
pass
1721
132.77
Maindee West Jn
pass
1721
pass
1721¾
133.31
Newport (South Wales) [NWP]
2
1722
1724
1722
1724
1723
1724¼
DM
DM
134.13
Gaer Jn
pass
1725½
pass
1726
DM
134.68
Ebbw Jn
pass
1726½
pass
1726¾
DM
DM
138.41
Marshfield
1
pass
1729
pass
1729
DM
142.42
Rumney River Bridge Jn
pass
1732½
pass
1732
143.01
Pengam Jn
pass
1733
pass
1732½
143.46
Moorland Road Junction
pass
1733½
pass
1733
144.16
Long Dyke Jn
pass
1734
pass
1733¾
E
144.79
Cardiff East
pass
1735½
pass
1734¾
DM
E
145.11
Cardiff Central [CDF]
Pathed as Class 80x on diesel from here
4
1735
1739
1736
1739
1736
1738¾
E
D
145.37
Cardiff West
pass
1740
No report
146.36
Leckwith North Jn
pass
1742
pass
1742
D
DM
149.14
St Fagans L C
pass
1744
pass
1744¼
154.08
Miskin
pass
1748
pass
1748¼
156.21
Pontyclun [PYC]
1
pass
1750
pass
1750¼
156.57
Llantrisant [LTI]
pass
1750½
No report
158.53
Llanharan [LLR]
2
pass
1752
pass
1752¼
161.41
Pencoed [PCD]
1
pass
1754
pass
1755½
+1
164.42
Tremains
pass
1756½
pass
1757½
+1
165.26
Bridgend [BGN]
1
1758
1800
1757½
1800
1759¼
1800¾
DM
DM
169.46
Stormy
½
pass
1804½
pass
1805¾
+1
171.21
Pyle [PYL]
1
pass
1806
pass
1806¾
+1
173.45
Margam Moors Jn.
pass
1807½
pass
1808
DM
175.12
Margam East Jn
pass
1808½
pass
1809¼
176.00
Margam Middle Jn
pass
1809
pass
1809½
176.70
Port Talbot East
pass
1810
No report
177.39
Port Talbot Parkway [PTA]
1
1811
1812
1811
1812½
1811½
1812½
179.38
Baglan [BAJ]
1
pass
1814½
pass
1815½
180.09
Briton Ferry East
pass
1815½
pass
1815¾
181.20
Briton Ferry [BNF]
1
pass
1816½
pass
1817
181.38
Court Sart Jn
pass
1816½
pass
1817
183.00
Neath [NTH]
1 2½
1
1819
1820
1818½
1820
1818¾
1820¼
185.06
Skewen [SKE]
1
pass
1824
pass
1823¼
186.68
Llansamlet [LAS]
1
pass
1826½
pass
1825¼
-1
189.42
Landore Junction
pass
1831
pass
1827¾
-2
DM
DSM
190.23
Swansea Loop East
pass
1832
pass
1829¼
-2
190.67
Swansea [SWA]
2
1834
1834
1831½
-2
DSM
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