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1L36 2023 Swansea to London Paddington
Departing on 12th December 2025

operated by
Great Western Railway
5 coaches
800006
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 1B24 from London Paddington
2
2023
2023
2023
USM
Swansea Loop East
pass
2024½
pass
2024½
Landore Junction
pass
2025½
pass
2026
USM
UM
Llansamlet [LAS]
2
pass
2028½
pass
2029
Skewen [SKE]
2
pass
2030½
pass
2031½
Neath [NTH]
2
2034
2035
2033½
2035
2034
2046¾
+11
Briton Ferry West Jn
pass
2037½
pass
2056½
+19
Port Talbot Parkway [PTA]
2
2041
2042
2041
2042½
2101½
2102½
+20
Port Talbot East
pass
2043½
No report
Margam Middle Jn
pass
2044½
pass
2104
+19
Margam East Jn
pass
2045½
pass
2105¾
+20
Margam Moors Jn.
pass
2046½
pass
2107½
+21
UM
Pyle [PYL]
2
pass
2048
pass
2109¼
+21
Stormy
pass
2049½
pass
2111¾
+22
At platform
Bridgend [BGN]
2
2054
2055
2053½
2055
2115½
2116¾
+21
UM
UM
Tremains
pass
2056
pass
2119
+22
Pencoed Up Passenger Loop
pass
2058½
No report
Pencoed [PCD]
2
pass
2059
pass
2121½
+22
Llanharan [LLR]
1
pass
2101
pass
2124
+23
Llantrisant [LTI]
pass
2102½
No report
Pontyclun [PYC]
1
2
pass
2103
pass
2126
+23
Miskin
pass
2105
pass
2128
+23
St Fagans L C
pass
2109½
pass
2131¾
+22
Leckwith North Jn
1½
pass
2112
pass
2134¼
+22
UM
C
Cardiff West
pass
2115½
No report
Cardiff Central [CDF]
Pathed as Class 80x on electric from here
2
2116
2120
2117
2120
2138¼
2140¼
+20
C
B
Cardiff East
pass
2120½
pass
2141½
+20
Long Dyke Jn
pass
2122
pass
2142½
+20
B
UM
Moorland Road Junction
pass
2122½
pass
2143¼
+20
Pengam Jn
pass
2123
pass
2143½
+20
Rumney River Bridge Jn
pass
2123
pass
2143¾
+20
Marshfield
pass
2126
pass
2146½
+20
Ebbw Jn
pass
2128½
pass
2149¼
+20
UM
UM
Gaer Jn
pass
2129½
pass
2149½
+20
UM
Newport (South Wales) [NWP]
3
2131
2133
2131
2133
2152
2153½
+20
UM
UM
Maindee West Jn
pass
2134
pass
2154¾
+20
Maindee East Jn
pass
2134½
pass
2155¼
+21
East Usk Jn.
pass
2135
pass
2156
+21
Llanwern West Jn
pass
2136
pass
2157
+21
Magor
pass
2140
pass
2200
+20
Severn Tunnel Junction [STJ]
4
pass
2141½
pass
2202¾
+21
UM
UT
Severn Tunnel West
pass
2142½
pass
2203½
+21
Severn Tunnel East
pass
2146
pass
2206¾
+20
Pilning [PIL]
1
1
pass
2147
pass
2207¾
+20
Patchway [PWY]
1
pass
2150½
pass
2210¾
+20
Bristol Parkway [BPW]
1
3
2152
2154
2152
2154
2212¾
2213½
+19
UT
UB
Westerleigh Jn
pass
2158½
pass
2217¼
+18
Chipping Sodbury
pass
2200
pass
2218¾
+19
Badminton
pass
2202
pass
2221
+19
Hullavington
pass
2205
pass
2223¾
+18
Little Somerford
pass
2207½
pass
2226¾
+19
Wootton Bassett Jn
1
pass
2211½
pass
2229¾
+18
UB
UM
Swindon [SWI]
3
2217
2219
2217
2219
2235½
2237
+18
UR
UM
Highworth Jn
pass
2220
pass
2239
+19
Swindon Stratton Green
pass
2220½
pass
2239½
+19
Swindon South Marston Jn
pass
2221
pass
2240
+19
Bourton
pass
2222
pass
2241¾
+19
Uffington (Oxfordshire)
pass
2225½
pass
2245½
+20
Challow
pass
2227
pass
2247½
+20
Wantage Road
1
pass
2228½
pass
2250¼
+21
Steventon
pass
2231
pass
2251½
+20
Milton Junction
pass
2231½
pass
2252¼
+20
Foxhall Jn [XJF]
pass
2232½
pass
2253¼
+20
Didcot West End
pass
2233
No report
Didcot Parkway [DID]
2
pass
2233
pass
2254
+21
Didcot East Jn
pass
2233
pass
2254
+21
Moreton Cutting
pass
2234
pass
2254¼
+20
Cholsey [CHO]
2
pass
2235
pass
2255¾
+20
Goring & Streatley [GOR]
2
pass
2237
pass
2257½
+20
ML
Pangbourne [PAN]
pass
2239
pass
2259½
+20
Tilehurst [TLH]
2
pass
2240½
pass
2300½
+20
Tilehurst East Jn.
pass
2240½
pass
2300½
+20
Reading High Level Jn
1
pass
2241½
pass
2302
+20
ML
Reading Main Line West
pass
2243
pass
2302½
+19
Reading [RDG]
10
2243
2246
2244
2246
2303¼
2304¾
+18
UM
UM
Reading Main Line East
pass
2246½
pass
2305½
+18
Kennet Bridge Jn
pass
2247
pass
2306
+19
Twyford West
pass
2249½
pass
2308
+18
Twyford [TWY]
2
pass
2250
pass
2308¾
+18
ML
Ruscombe
pass
2250½
pass
2309
+18
Maidenhead [MAI]
2
pass
2253½
pass
2312
+18
Maidenhead East
pass
2254
pass
2312
+18
Taplow [TAP]
2
pass
2254½
pass
2312¾
+18
Burnham [BNM]
pass
2255
pass
2313
+17
Slough West
pass
2256
pass
2314¼
+18
Slough [SLO]
2
3
pass
2256½
pass
2315
+18
Dolphin Jn
pass
2257½
pass
2315½
+18
Langley [LNY]
2
pass
2258½
pass
2316¼
+18
Iver [IVR]
2
pass
2259½
pass
2317
+17
West Drayton Jcn
pass
2300½
pass
2317¼
+17
West Drayton [WDT]
2
pass
2300½
pass
2317¾
+17
West Drayton East
pass
2301
pass
2317¾
+16
Stockley Junction
pass
2301½
pass
2318
+16
ML
ML
Heathrow Airport Jn
pass
2302
pass
2318¼
+16
Hayes & Harlington [HAY]
2
pass
2302
pass
2318¾
+16
Southall West Jn
pass
2302½
pass
2319
+16
Southall [STL]
1 ½
2
pass
2303
pass
2319
+16
ML
Southall East Jn
pass
2303
pass
2319¼
+16
Hanwell [HAN]
1
pass
2304½
pass
2320¼
+16
West Ealing Junction
pass
2305
pass
2320½
+15
West Ealing [WEA]
pass
2305
pass
2320¾
+16
Ealing Broadway [EAL]
2
pass
2305½
pass
2321¼
+15
Acton West
pass
2306
pass
2321¾
+15
ML
ML
Acton Main Line [AML]
2
pass
2306½
pass
2322
+15
Friars Jn
pass
2307
No report
Old Oak Common West
pass
2307½
pass
2322½
+15
Old Oak Common East
pass
2308
pass
2323
+15
Ladbroke Grove
pass
2308½
pass
2323¾
+15
UM
2
Portobello Jn (London)
pass
2309
pass
2324½
+15
Royal Oak Junction
pass
2310
pass
2325½
+15
2
3
London Paddington [PAD]
4
2311
2311
2328¼
+17
3
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