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1L36 2023 Swansea to London Paddington
Departing on 1st December 2025

operated by
Great Western Railway
5 coaches
800017
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
2036¾
+13
USM
Swansea Loop East
pass
2024½
pass
2038½
+14
Landore Junction
pass
2025½
pass
2039½
+14
USM
UM
Llansamlet [LAS]
2
pass
2028½
pass
2042½
+14
Skewen [SKE]
2
pass
2030½
pass
2044¾
+14
Neath [NTH]
2
2034
2035
2033½
2035
2047½
2049¼
+14
Briton Ferry West Jn
pass
2037½
pass
2052
+14
Port Talbot Parkway [PTA]
2
2041
2042
2041
2042½
2055¾
2056¾
+14
Port Talbot East
pass
2043½
No report
Margam Middle Jn
pass
2044½
pass
2058
+13
Margam East Jn
pass
2045½
pass
2059½
+14
Margam Moors Jn.
pass
2046½
pass
2101
+14
UM
Pyle [PYL]
2
pass
2048
pass
2102½
+14
Stormy
pass
2049½
pass
2104½
+15
At platform
Bridgend [BGN]
2
2054
2055
2053½
2055
2108½
2109¾
+14
UM
UM
Tremains
pass
2056
pass
2112
+15
Pencoed Up Passenger Loop
pass
2058½
No report
Pencoed [PCD]
2
pass
2059
pass
2114¼
+15
Llanharan [LLR]
1
pass
2101
pass
2116
+15
Llantrisant [LTI]
pass
2102½
No report
Pontyclun [PYC]
1
2
pass
2103
pass
2118¼
+15
Miskin
pass
2105
pass
2120¼
+15
St Fagans L C
pass
2109½
pass
2124¼
+14
Leckwith North Jn
1½
pass
2112
pass
2126½
+14
UM
C
Cardiff West
pass
2115½
No report
Cardiff Central [CDF]
Pathed as Class 80x on electric from here
2
2116
2120
2117
2120
2129¾
2131
+11
C
B
Cardiff East
pass
2120½
pass
2132¾
+12
C
B
Long Dyke Jn
pass
2122
pass
2133¾
+11
B
UM
Moorland Road Junction
pass
2122½
pass
2134½
+12
Pengam Jn
pass
2123
pass
2134¾
+12
Rumney River Bridge Jn
pass
2123
pass
2135¼
+12
Marshfield
pass
2126
pass
2137¾
+11
Ebbw Jn
pass
2128½
pass
2140½
+12
UM
UM
Gaer Jn
pass
2129½
pass
2140¾
+11
UM
Newport (South Wales) [NWP]
3
2131
2133
2131
2133
2143
2144¼
+11
UM
UM
Maindee West Jn
pass
2134
pass
2145½
+11
Maindee East Jn
pass
2134½
pass
2146
+11
East Usk Jn.
pass
2135
pass
2146¾
+11
Llanwern West Jn
pass
2136
pass
2147¾
+11
Magor
pass
2140
pass
2150¾
+10
Severn Tunnel Junction [STJ]
4
pass
2141½
pass
2153¼
+11
UM
UT
Severn Tunnel West
pass
2142½
pass
2154
+11
Severn Tunnel East
pass
2146
pass
2157½
+11
Pilning [PIL]
1
1
pass
2147
pass
2158½
+11
Patchway [PWY]
1
pass
2150½
pass
2202¼
+11
Bristol Parkway [BPW]
1
3
2152
2154
2152
2154
2204¼
2205¼
+11
UT
UB
Westerleigh Jn
pass
2158½
pass
2209
+10
Chipping Sodbury
pass
2200
pass
2210½
+10
Badminton
pass
2202
pass
2212¾
+10
Hullavington
pass
2205
pass
2215¼
+10
Little Somerford
pass
2207½
pass
2218¼
+10
Wootton Bassett Jn
1
pass
2211½
pass
2221¾
+10
UB
UM
Swindon [SWI]
1
2217
2219
2217
2219
2229¼
2230¾
+11
UR
UM
Highworth Jn
pass
2220
pass
2232½
+12
Swindon Stratton Green
pass
2220½
pass
2233
+12
Swindon South Marston Jn
pass
2221
pass
2233½
+12
Bourton
pass
2222
pass
2234¾
+12
Uffington (Oxfordshire)
pass
2225½
pass
2237¾
+12
Challow
pass
2227
pass
2238¾
+11
Wantage Road
1
pass
2228½
pass
2241
+12
Steventon
pass
2231
pass
2242½
+11
Milton Junction
pass
2231½
pass
2243¾
+12
Foxhall Jn [XJF]
pass
2232½
pass
2247¼
+14
Didcot West End
pass
2233
No report
Didcot Parkway [DID]
2
pass
2233
pass
2249
+16
Didcot East Jn
pass
2233
pass
2250
+17
Moreton Cutting
pass
2234
pass
2251½
+17
Cholsey [CHO]
2
pass
2235
pass
2255¼
+20
Goring & Streatley [GOR]
2
pass
2237
pass
2259
+22
ML
Pangbourne [PAN]
pass
2239
pass
2304¾
+26
Tilehurst [TLH]
2
pass
2240½
pass
2306¼
+25
Tilehurst East Jn.
pass
2240½
pass
2306½
+26
Reading High Level Jn
1
pass
2241½
pass
2307¾
+26
ML
Reading Main Line West
pass
2243
pass
2308½
+25
Reading [RDG]
10
2243
2246
2244
2246
2309¼
2310¾
+24
UM
UM
Reading Main Line East
pass
2246½
pass
2311½
+25
Kennet Bridge Jn
pass
2247
pass
2312½
+25
Twyford West
pass
2249½
pass
2316½
+27
Twyford [TWY]
2
pass
2250
pass
2317¼
+27
ML
Ruscombe
pass
2250½
pass
2317¾
+27
Maidenhead [MAI]
2
pass
2253½
pass
2325
+31
Maidenhead East
pass
2254
pass
2325¼
+31
Taplow [TAP]
2
pass
2254½
pass
2326¾
+32
Burnham [BNM]
pass
2255
pass
2327¾
+32
Slough West
pass
2256
pass
2329½
+33
Slough [SLO]
3
pass
2256½
pass
2330½
+34
Dolphin Jn
pass
2257
pass
2331¼
+34
Langley [LNY]
2
pass
2257½
pass
2332
+34
Iver [IVR]
2
pass
2258½
pass
2334¼
+36
West Drayton Jcn
pass
2259
pass
2336¾
+37
West Drayton [WDT]
2
pass
2259
pass
2338
+39
West Drayton East
pass
2259
pass
2338¾
+39
Stockley Junction
pass
2259½
pass
2340¾
+41
ML
ML
Heathrow Airport Jn
1½
pass
2300
pass
2343¾
+43
Hayes & Harlington [HAY]
2
pass
2300½
pass
2344½
+44
Southall West Jn
pass
2301½
pass
2346
+44
Southall [STL]
7
2
pass
2302½
pass
2346½
+44
ML
Southall East Jn
pass
2303
pass
2347
+43
Hanwell [HAN]
1
pass
2306
pass
2348¼
+42
West Ealing Junction
pass
2307½
pass
2348¾
+41
West Ealing [WEA]
pass
2307½
pass
2349
+41
Ealing Broadway [EAL]
2
pass
2309½
pass
2350¼
+40
Acton West
1
pass
2311
pass
2350¾
+39
ML
ML
Acton Main Line [AML]
2
pass
2312
pass
2352¾
+40
Friars Jn
pass
2312½
No report
Old Oak Common West
pass
2313
pass
2354½
+41
Old Oak Common East
pass
2313½
pass
2355¼
+41
Ladbroke Grove
pass
2314½
pass
2356¼
+41
UM
3
Portobello Jn (London)
pass
2315
pass
2356¾
+41
Royal Oak Junction
pass
2316
pass
2358
+42
3
2
London Paddington [PAD]
3
2317
2317
0000¾
+43
2
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