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1K21 1503 Newbury to London Paddington
Departing on 20th December 2025

operated by
Great Western Railway
4 coaches
387148
GBTT
WTT
RTTRealtime
Route
Mi.Ch
Location
Pl
Arr
Dep
Arr
Dep
Arr
Dep
Dly
Path
Line
0.00
Newbury [NBY]
Pathed as Class 387 EMU at 110mph
1
1503
1503
1502¾
DW
0.55
Newbury Racecourse [NRC]
1
pass
1505
pass
1505¼
DW
UW
3.41
Thatcham [THA]
2
1510
1510
1509½
1510½
1511¼
1512
+1
6.27
Midgham [MDG]
2
pass
1513
pass
1515
+2
8.23
Aldermaston [AMT]
1
pass
1514
pass
1515¾
+1
11.64
Theale [THE]
1
1
1517
1518
1517
1518
pass
1519
+1
15.24
Southcote Jn
1
pass
1522½
pass
1523
16.11
Reading West [RDW]
2
pass
1524½
pass
1524¼
16.20
Oxford Road Jn
pass
1524½
pass
1524½
UW
UFM
16.69
Reading Main Line West
pass
1526
pass
1526
17.06
Reading [RDG]
11
1527
1530
1527
1530
1527¼
1529¾
UFM
UM
17.25
Reading Main Line East
pass
1530½
pass
1530½
17.71
Kennet Bridge Jn
pass
1531
pass
1531¼
21.24
Twyford West
pass
1533½
pass
1533½
22.05
Twyford [TWY]
2
pass
1534
pass
1534½
ML
23.41
Ruscombe
pass
1534½
pass
1534¾
28.67
Maidenhead [MAI]
2
pass
1537½
pass
1538¼
29.28
Maidenhead East
pass
1538
pass
1538¼
30.47
Taplow [TAP]
2
pass
1538½
pass
1539
32.09
Burnham [BNM]
pass
1539
pass
1539½
33.75
Slough West
pass
1540
pass
1540¾
34.50
Slough [SLO]
3
pass
1540½
pass
1541½
+1
35.68
Dolphin Jn
pass
1541
pass
1541¾
36.68
Langley [LNY]
2
pass
1541½
pass
1542½
+1
38.26
Iver [IVR]
2
pass
1542½
pass
1543½
39.55
West Drayton Jcn
pass
1543½
pass
1544
39.69
West Drayton [WDT]
2
pass
1543½
pass
1544¼
+1
40.19
West Drayton East
pass
1543½
pass
1544¼
40.77
Stockley Junction
pass
1544
pass
1544½
ML
ML
41.72
Heathrow Airport Jn
pass
1544½
pass
1545
42.15
Hayes & Harlington [HAY]
2
pass
1544½
pass
1545½
43.16
Southall West Jn
pass
1545
pass
1545¾
44.00
Southall [STL]
½
2
pass
1545½
pass
1545¾
ML
44.24
Southall East Jn
pass
1545½
pass
1546¼
45.58
Hanwell [HAN]
1
pass
1546½
pass
1547¼
46.32
West Ealing Junction
pass
1547
pass
1547½
46.40
West Ealing [WEA]
pass
1547
pass
1547¾
47.30
Ealing Broadway [EAL]
2
pass
1547½
pass
1548½
+1
48.06
Acton West
1
pass
1548
pass
1548¾
ML
ML
48.65
Acton Main Line [AML]
2
pass
1549
pass
1549¼
49.33
Friars Jn
pass
1549½
No report
49.66
Old Oak Common West
pass
1550
pass
1549¾
50.26
Old Oak Common East
pass
1550½
pass
1550¼
51.13
Ladbroke Grove
pass
1551½
pass
1551¼
UM
3
51.53
Portobello Jn (London)
pass
1552½
pass
1552
52.40
Royal Oak Junction
pass
1553½
pass
1553
53.01
London Paddington [PAD]
9
1555
1555
1555
3
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