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1L36 2023 Swansea to London Paddington
Departing on 9th December 2025

operated by
Great Western Railway
5 coaches
800007
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
2022½
USM
Swansea Loop East
pass
2024½
pass
2024¼
Landore Junction
pass
2025½
pass
2025¼
USM
UM
Llansamlet [LAS]
2
pass
2028½
pass
2028
Skewen [SKE]
2
pass
2030½
pass
2030¼
Neath [NTH]
2
2034
2035
2033½
2035
2032½
2034½
Briton Ferry West Jn
pass
2037½
pass
2037
Port Talbot Parkway [PTA]
2
2041
2042
2041
2042½
2040¾
2041¾
Port Talbot East
pass
2043½
No report
Margam Middle Jn
pass
2044½
pass
2043
-1
Margam East Jn
pass
2045½
pass
2044¼
-1
Margam Moors Jn.
pass
2046½
pass
2045¾
UM
Pyle [PYL]
2
pass
2048
pass
2047
-1
Stormy
pass
2049½
pass
2048¾
At platform
Bridgend [BGN]
2
2054
2055
2053½
2055
2052½
2054¾
UM
UM
Tremains
pass
2056
pass
2056¾
Pencoed Up Passenger Loop
pass
2058½
No report
Pencoed [PCD]
2
pass
2059
pass
2058¾
Llanharan [LLR]
1
pass
2101
pass
2100¾
Llantrisant [LTI]
pass
2102½
No report
Pontyclun [PYC]
1
2
pass
2103
pass
2102¾
Miskin
pass
2105
pass
2104¾
St Fagans L C
pass
2109½
pass
2108½
Leckwith North Jn
1½
pass
2112
pass
2110¾
-1
UM
C
Cardiff West
pass
2115½
No report
Cardiff Central [CDF]
Pathed as Class 80x on electric from here
2
2116
2120
2117
2120
2114
2119¾
C
B
Cardiff East
pass
2120½
pass
2121
Long Dyke Jn
pass
2122
pass
2122¼
B
UM
Moorland Road Junction
pass
2122½
pass
2123
Pengam Jn
pass
2123
pass
2123¼
Rumney River Bridge Jn
pass
2123
pass
2123¾
Marshfield
pass
2126
pass
2126¼
Ebbw Jn
pass
2128½
pass
2129
UM
UM
Gaer Jn
pass
2129½
pass
2129½
UM
Newport (South Wales) [NWP]
3
2131
2133
2131
2133
2131¾
2132¾
UM
UM
Maindee West Jn
pass
2134
pass
2134
Maindee East Jn
pass
2134½
pass
2134½
East Usk Jn.
pass
2135
pass
2135½
Llanwern West Jn
pass
2136
pass
2136½
Magor
pass
2140
pass
2139¼
Severn Tunnel Junction [STJ]
4
pass
2141½
pass
2142
UM
UT
Severn Tunnel West
pass
2142½
pass
2142¾
Severn Tunnel East
pass
2146
pass
2146¼
Pilning [PIL]
1
1
pass
2147
pass
2147½
Patchway [PWY]
1
pass
2150½
pass
2150
Bristol Parkway [BPW]
1
3
2152
2154
2152
2154
2152
2153¼
UT
UB
Westerleigh Jn
pass
2158½
pass
2157¼
-1
Chipping Sodbury
pass
2200
pass
2158¾
Badminton
pass
2202
pass
2201
Hullavington
pass
2205
pass
2203½
-1
Little Somerford
pass
2207½
pass
2206½
Wootton Bassett Jn
1
pass
2211½
pass
2209¾
-1
UB
UM
Swindon [SWI]
3
2217
2219
2217
2219
2217½
2218¾
UR
UM
Highworth Jn
pass
2220
pass
2220¾
Swindon Stratton Green
pass
2220½
pass
2221¼
Swindon South Marston Jn
pass
2221
pass
2221½
Bourton
pass
2222
pass
2222¾
Uffington (Oxfordshire)
pass
2225½
pass
2225¾
Challow
pass
2227
pass
2227
Wantage Road
1
pass
2228½
pass
2229¼
Steventon
pass
2231
pass
2230½
Milton Junction
pass
2231½
pass
2231¾
Foxhall Jn [XJF]
pass
2232½
pass
2233
Didcot West End
pass
2233
No report
Didcot Parkway [DID]
2
pass
2233
pass
2234
+1
Didcot East Jn
pass
2233
pass
2234¼
+1
Moreton Cutting
pass
2234
pass
2234½
Cholsey [CHO]
2
pass
2235
pass
2236¼
+1
Goring & Streatley [GOR]
2
pass
2237
pass
2238¼
+1
ML
Pangbourne [PAN]
pass
2239
pass
2240
+1
Tilehurst [TLH]
2
pass
2240½
pass
2241
Tilehurst East Jn.
pass
2240½
pass
2241¼
Reading High Level Jn
1
pass
2241½
pass
2242¾
+1
ML
Reading Main Line West
pass
2243
pass
2243¼
Reading [RDG]
11
2243
2246
2244
2246
2244¼
2245¾
UM
UM
Reading Main Line East
pass
2246½
pass
2246¼
Kennet Bridge Jn
pass
2247
pass
2247
Twyford West
pass
2249½
pass
2249¼
Twyford [TWY]
2
pass
2250
pass
2250
ML
Ruscombe
pass
2250½
pass
2250¼
Maidenhead [MAI]
2
pass
2253½
pass
2253½
Maidenhead East
pass
2254
pass
2253½
Taplow [TAP]
2
pass
2254½
pass
2254¼
Burnham [BNM]
pass
2255
pass
2254½
Slough West
pass
2256
pass
2255¾
Slough [SLO]
2
3
pass
2256½
pass
2256½
Dolphin Jn
pass
2257½
pass
2256¾
Langley [LNY]
2
pass
2258½
pass
2257½
Iver [IVR]
2
pass
2259½
pass
2258
-1
West Drayton Jcn
pass
2300½
pass
2258½
-1
West Drayton [WDT]
2
pass
2300½
pass
2259¼
-1
West Drayton East
pass
2301
pass
2259¾
-1
Stockley Junction
pass
2301½
pass
2301¼
ML
ML
Heathrow Airport Jn
pass
2302
pass
2302
Hayes & Harlington [HAY]
2
pass
2302
pass
2302½
Southall West Jn
pass
2302½
pass
2303
Southall [STL]
1 ½
2
pass
2303
pass
2303
ML
Southall East Jn
pass
2303
pass
2303¼
Hanwell [HAN]
1
pass
2304½
pass
2304½
West Ealing Junction
pass
2305
pass
2305
West Ealing [WEA]
pass
2305
pass
2305¼
Ealing Broadway [EAL]
2
pass
2305½
pass
2305¾
Acton West
pass
2306
pass
2306
ML
ML
Acton Main Line [AML]
2
pass
2306½
pass
2306½
Friars Jn
pass
2307
No report
Old Oak Common West
pass
2307½
pass
2307
Old Oak Common East
pass
2308
pass
2307½
Ladbroke Grove
pass
2308½
pass
2308½
UM
3
Portobello Jn (London)
pass
2309
pass
2309
Royal Oak Junction
pass
2310
pass
2310
London Paddington [PAD]
4
2311
2311
2313½
+2
3
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