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1L03 0459 Swansea to London Paddington
Departing on 7th January 2026

operated by
Great Western Railway
10 coaches
800016
800036
GBTT
WTT
RTTRealtime
Route
Location
Pl
Arr
Dep
Arr
Dep
Arr
Dep
Dly
Path
Line
Swansea [SWA]
Pathed as Class 80x on diesel at 125mph
forms from 5L03 from Swansea Maliphant Iep Dpt
3
0459
0459
0500½
+1
USM
Swansea Loop East
pass
0500½
pass
0502¼
+1
Landore Junction
pass
0501½
pass
0503¾
+2
USM
UM
Llansamlet [LAS]
2
pass
0504½
pass
0506¾
+2
Skewen [SKE]
2
pass
0506½
pass
0508¾
+2
Neath [NTH]
2
0510
0511
0509½
0511
0511¼
0512¼
+1
Briton Ferry West Jn
pass
0513½
pass
0515
+1
Port Talbot Parkway [PTA]
2
0517
0518
0517
0518½
0518½
0519¼
Port Talbot East
pass
0519½
No report
Margam Middle Jn
pass
0520½
pass
0520½
Margam East Jn
pass
0521½
pass
0522
Margam Moors Jn.
pass
0522½
pass
0523¼
UM
Pyle [PYL]
2
pass
0524
pass
0524¾
Stormy
pass
0525½
pass
0526½
+1
At platform
Bridgend [BGN]
2
0530
0531
0529½
0531
0530¼
0531¼
UM
UM
Tremains
pass
0532
pass
0533½
+1
Pencoed Up Passenger Loop
pass
0534½
No report
Pencoed [PCD]
2
pass
0535
pass
0535½
Llanharan [LLR]
1
pass
0537
pass
0537½
Llantrisant [LTI]
pass
0538½
No report
Pontyclun [PYC]
1
2
pass
0539
pass
0539½
Miskin
pass
0541
pass
0541½
St Fagans L C
pass
0545½
pass
0546¼
Leckwith North Jn
½
pass
0548
pass
0548½
UM
C
Cardiff West
pass
0550½
No report
Cardiff Central [CDF]
Pathed as Class 80x on electric from here
2
0551
0554
0552
0554
0551¾
0553¾
C
B
Cardiff East
pass
0554½
pass
0555¼
Long Dyke Jn
pass
0556
pass
0556½
B
UM
Moorland Road Junction
pass
0556½
pass
0557½
+1
Pengam Jn
pass
0557
pass
0557¾
+1
Rumney River Bridge Jn
pass
0557
pass
0558¼
+1
Marshfield
pass
0600
pass
0600¾
Ebbw Jn
pass
0602½
pass
0603½
+1
UM
UM
Gaer Jn
pass
0603
pass
0604
+1
UM
Newport (South Wales) [NWP]
3
0605
0607
0605
0607
0606¼
0607¾
UM
UM
Maindee West Jn
pass
0608
pass
0609½
+1
Maindee East Jn
pass
0608½
pass
0610
+1
ML
East Usk Jn.
pass
0609½
pass
0611¼
+1
Llanwern West Jn
pass
0610½
pass
0612¼
+1
Magor
pass
0614
pass
0615
+1
Severn Tunnel Junction [STJ]
4
pass
0615½
pass
0618¾
+3
UM
UT
Severn Tunnel West
pass
0616½
pass
0619½
+3
Severn Tunnel East
pass
0620
pass
0623
+3
Pilning [PIL]
1
1
pass
0621
pass
0624¼
+3
Patchway [PWY]
1
pass
0624½
pass
0627
+2
Bristol Parkway [BPW]
3
0626
0628
0626
0628½
0628¾
0629½
+1
UT
UB
Westerleigh Jn
pass
0632
pass
0633½
+1
Chipping Sodbury
pass
0633½
pass
0635
+1
Badminton
pass
0635½
pass
0637¼
+1
Hullavington
pass
0638½
pass
0639¾
+1
Little Somerford
pass
0641
pass
0643
+1
Wootton Bassett Jn
1 ½
pass
0645
pass
0646
+1
UB
UM
Rushey Platt
pass
0649½
pass
0649¾
UM
UR
Swindon [SWI]
3
0651
0653
0651
0653
0651¾
0652¾
UR
UM
Highworth Jn
pass
0654
pass
0654½
Swindon Stratton Green
pass
0654½
pass
0655
Swindon South Marston Jn
pass
0655
pass
0655¼
Bourton
pass
0656
pass
0656¾
Uffington (Oxfordshire)
pass
0659½
pass
0659½
Challow
pass
0701
pass
0700½
Wantage Road
1 ½
pass
0702½
pass
0703
Steventon
pass
0705
pass
0704¼
Milton Junction
pass
0706
pass
0705¼
Foxhall Jn [XJF]
pass
0707
pass
0706
Didcot West End
pass
0707½
No report
Didcot Parkway [DID]
2
pass
0707½
pass
0706¾
Didcot East Jn
pass
0707½
pass
0707
Moreton Cutting
pass
0708½
pass
0707¼
Cholsey [CHO]
2
pass
0709½
pass
0708¾
Goring & Streatley [GOR]
1
2
pass
0711½
pass
0710½
ML
Pangbourne [PAN]
pass
0713½
pass
0712¼
-1
Tilehurst [TLH]
2
pass
0715½
pass
0713½
-2
Tilehurst East Jn.
pass
0716
pass
0713¾
-1
Reading High Level Jn
pass
0717
pass
0715¼
-1
ML
Reading Main Line West
pass
0717½
pass
0716
-1
Reading [RDG]
11
0718
0720
0718½
0720½
0717
0720
UM
UM
Reading Main Line East
pass
0721
pass
0720¾
Kennet Bridge Jn
pass
0721½
pass
0721¼
Twyford West
pass
0724
pass
0723½
Twyford [TWY]
2
pass
0724½
pass
0724¼
ML
Ruscombe
pass
0725
pass
0724½
Maidenhead [MAI]
2
pass
0728
pass
0727½
Maidenhead East
pass
0728½
pass
0727½
Taplow [TAP]
2
pass
0729
pass
0728¼
Burnham [BNM]
pass
0729½
pass
0728¾
Slough West
pass
0730½
pass
0730
Slough [SLO]
3
pass
0731
pass
0730¾
Dolphin Jn
pass
0731½
pass
0731¼
Langley [LNY]
2
pass
0732
pass
0732¼
Iver [IVR]
2
pass
0733
pass
0733¼
West Drayton Jcn
pass
0733½
pass
0733½
West Drayton [WDT]
2
pass
0733½
pass
0734
West Drayton East
pass
0733½
pass
0734
Stockley Junction
pass
0734
pass
0734¼
ML
ML
Heathrow Airport Jn
pass
0734½
pass
0735
Hayes & Harlington [HAY]
2
pass
0734½
pass
0735¾
+1
Southall West Jn
pass
0735
pass
0737
+2
Southall [STL]
1
2
pass
0735½
pass
0738¼
+2
ML
Southall East Jn
pass
0735½
pass
0738¾
+3
Hanwell [HAN]
1
pass
0736½
pass
0740¼
+3
West Ealing Junction
pass
0737
pass
0741¼
+4
West Ealing [WEA]
pass
0737
pass
0741½
+4
Ealing Broadway [EAL]
2
pass
0737½
pass
0743
+5
Acton West
1
pass
0738
pass
0743
+5
ML
ML
Acton Main Line [AML]
2
pass
0739
pass
0745½
+6
Friars Jn
pass
0739½
No report
Old Oak Common West
pass
0740
pass
0747
+7
Old Oak Common East
pass
0740½
pass
0747½
+7
Ladbroke Grove
pass
0741½
pass
0748¾
+7
UM
3
Portobello Jn (London)
pass
0742
pass
0749¼
+7
Royal Oak Junction
pass
0743
pass
0750½
+7
3
2
London Paddington [PAD]
forms 1G07 to Cheltenham Spa and forms 1W17 to Great Malvern
1
0744
0744
0753¾
+9
2
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