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1B07 0848 London Paddington to Swansea
Departing on 5th January 2026

operated by
Great Western Railway
5 coaches
800001
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
forms from 1L04 from Swansea
5
0848
0848
0847¾
2
0.41
Royal Oak Junction
pass
0849
pass
0848¾
1.28
Portobello Jn (London)
pass
0850½
pass
0849¾
1.68
Ladbroke Grove
pass
0851
pass
0850½
2
DM
2.55
Old Oak Common East
pass
0851½
pass
0851½
3.15
Old Oak Common West
pass
0852
pass
0851¾
3.48
Friars Jn
pass
0852½
pass
0852
4.16
Acton Main Line [AML]
pass
0853
pass
0852½
4.75
Acton West
pass
0853½
pass
0853
ML
ML
5.51
Ealing Broadway [EAL]
1
pass
0854
pass
0853½
6.41
West Ealing [WEA]
pass
0854½
pass
0853¾
6.49
West Ealing Junction
pass
0854½
pass
0853¾
7.23
Hanwell [HAN]
pass
0854½
pass
0854¼
8.57
Southall East Jn
pass
0855½
pass
0855
9.01
Southall [STL]
1
pass
0855½
pass
0855½
9.65
Southall West Jn
pass
0856
pass
0855½
10.66
Hayes & Harlington [HAY]
1
pass
0856½
pass
0856¼
11.09
Heathrow Airport Jn
pass
0856½
pass
0856
ML
12.04
Stockley Junction
pass
0857
pass
0856½
12.62
West Drayton East
pass
0857½
pass
0857
13.12
West Drayton [WDT]
1
pass
0857½
pass
0857½
13.26
West Drayton Jcn
pass
0857½
pass
0857½
14.55
Iver [IVR]
1
pass
0858
pass
0858
16.13
Langley [LNY]
1
pass
0859
pass
0859
17.13
Dolphin Jn
pass
0859½
pass
0859½
18.31
Slough [SLO]
2
pass
0900
pass
0900¼
ML
19.06
Slough West
pass
0900½
pass
0900½
20.72
Burnham [BNM]
pass
0901½
pass
0901½
22.34
Taplow [TAP]
1
pass
0902
pass
0902¼
23.53
Maidenhead East
pass
0902½
pass
0903¼
24.14
Maidenhead [MAI]
1
pass
0903
pass
0903½
29.40
Ruscombe
pass
0906
pass
0905¾
30.76
Twyford [TWY]
1
1
pass
0906½
pass
0906½
ML
31.57
Twyford West
pass
0907
pass
0907
35.10
Kennet Bridge Jn
pass
0909½
pass
0909¼
35.56
Reading Main Line East
pass
0910
pass
0909¾
35.75
Reading [RDG]
9
0911
0913
0911
0913
0910¾
0912¾
DM
DM
36.12
Reading Main Line West
pass
0913½
pass
0913½
36.45
Reading High Level Jn
pass
0914
pass
0914¼
ML
38.29
Tilehurst East Jn.
pass
0915
pass
0915¼
38.47
Tilehurst [TLH]
1
pass
0915
pass
0915½
41.38
Pangbourne [PAN]
pass
0917
pass
0916¾
44.55
Goring & Streatley [GOR]
1
1
pass
0919
pass
0918½
ML
48.32
Cholsey [CHO]
1
pass
0921
pass
0920¼
51.32
Moreton Cutting
pass
0923
pass
0921½
-1
52.61
Didcot East Jn
pass
0924
pass
0922¼
-1
53.05
Didcot Parkway [DID]
1
pass
0924
pass
0923
-1
53.20
Didcot West End
pass
0924
No report
53.50
Foxhall Jn [XJF]
pass
0924½
pass
0923¼
-1
55.14
Milton Junction
pass
0925
pass
0923¾
-1
56.27
Steventon
pass
0926
pass
0924¾
60.17
Wantage Road
pass
0928
pass
0928¾
63.75
Challow
pass
0930
pass
0931½
+1
66.34
Uffington (Oxfordshire)
1
pass
0931
pass
0932¾
+1
72.25
Bourton
pass
0934½
pass
0935¾
+1
74.46
Swindon South Marston Jn
pass
0936
pass
0936¾
+1
75.58
Swindon Stratton Green
pass
0936½
pass
0937½
+1
76.27
Highworth Jn
pass
0937
pass
0937¾
76.59
Swindon East Loop
pass
0937
pass
0939
+1
77.18
Swindon [SWI]
4
0938
0941
0938
0941
0939¾
0941
DM
DM
78.31
Rushey Platt
pass
0942½
pass
0942¼
82.67
Wootton Bassett Jn
pass
0945½
pass
0945½
DM
DB
89.57
Little Somerford
pass
0949½
pass
0949½
94.16
Hullavington
1
pass
0952
pass
0952
99.76
Badminton
pass
0955½
pass
0954½
104.40
Chipping Sodbury
pass
0958
pass
0957¼
107.09
Westerleigh Jn
1
pass
0959½
pass
0959¼
111.57
Bristol Parkway [BPW]
2
1003
1005
1003½
1005½
1003
1005¼
DB
DT
112.79
Patchway [PWY]
2
pass
1007
pass
1006¾
116.45
Pilning [PIL]
½
2
pass
1009½
pass
1009¾
118.03
Severn Tunnel East
pass
1011
pass
1010¾
122.31
Severn Tunnel West
pass
1014½
pass
1014
123.41
Severn Tunnel Junction [STJ]
3
pass
1015½
pass
1015½
DT
DM
125.66
Magor
pass
1017
pass
1017
130.72
Llanwern West Jn
pass
1020½
pass
1020¾
131.63
East Usk Jn.
pass
1021
pass
1021¼
132.55
Maindee East Jn
pass
1022
pass
1022¼
ML
132.77
Maindee West Jn
pass
1022½
pass
1023
133.31
Newport (South Wales) [NWP]
2
1024
1025
1023½
1025
1024¼
1025¼
DM
DM
134.13
Gaer Jn
pass
1026½
pass
1026¾
DM
134.68
Ebbw Jn
pass
1027½
pass
1027½
DM
DM
138.41
Marshfield
pass
1030
pass
1030¼
142.42
Rumney River Bridge Jn
pass
1033
pass
1032¾
143.01
Pengam Jn
pass
1033
pass
1033¼
143.46
Moorland Road Junction
1
pass
1033½
pass
1034
DM
UR
144.16
Long Dyke Jn
pass
1035
pass
1034¾
E
144.79
Cardiff East
pass
1036½
pass
1035¾
UR
D
145.11
Cardiff Central [CDF]
Pathed as Class 80x on diesel from here
3
1037
1039
1037½
1039½
1037¼
1039
D
D
145.37
Cardiff West
pass
1040½
No report
146.36
Leckwith North Jn
pass
1042½
pass
1041¾
D
DM
149.14
St Fagans L C
pass
1044½
pass
1044
154.08
Miskin
pass
1048½
pass
1048
156.21
Pontyclun [PYC]
1
pass
1050½
pass
1050
156.57
Llantrisant [LTI]
pass
1051
No report
158.53
Llanharan [LLR]
2
pass
1052½
pass
1052
161.41
Pencoed [PCD]
1
pass
1054½
pass
1054
164.42
Tremains
pass
1057
pass
1056
165.26
Bridgend [BGN]
1
1058
1059
1058
1059½
1057¾
1058¾
DM
DM
169.46
Stormy
pass
1104
pass
1103½
171.21
Pyle [PYL]
1
pass
1105
pass
1104½
173.45
Margam Moors Jn.
pass
1106½
pass
1105¾
DM
175.12
Margam East Jn
pass
1107½
pass
1107
176.00
Margam Middle Jn
pass
1108
pass
1107¼
176.70
Port Talbot East
pass
1109
No report
177.39
Port Talbot Parkway [PTA]
1
1110
1111
1110
1111½
1109½
1110¾
179.38
Baglan [BAJ]
1
pass
1113½
pass
1113¼
180.09
Briton Ferry East
pass
1114½
pass
1113½
181.20
Briton Ferry [BNF]
1
pass
1115½
pass
1114¾
181.38
Court Sart Jn
pass
1115½
pass
1114¾
183.00
Neath [NTH]
1
1
1118
1119
1117½
1119
1116½
1118¾
185.06
Skewen [SKE]
1
pass
1122
pass
1121¾
186.68
Llansamlet [LAS]
1
pass
1124½
pass
1123½
189.42
Landore Junction
pass
1127½
pass
1126¼
-1
DM
DSM
190.23
Swansea Loop East
pass
1128½
pass
1127½
190.67
Swansea [SWA]
joins with 1L20 towards London Paddington
3
1130
1130
1129¾
DSM
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