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1L36 2023 Swansea to London Paddington
Departing on 5th January 2026

operated by
Great Western Railway
5 coaches
800025
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
2023¾
USM
Swansea Loop East
pass
2024½
pass
2025¼
Landore Junction
pass
2025½
pass
2026½
+1
USM
UM
Llansamlet [LAS]
2
pass
2028½
pass
2029¼
Skewen [SKE]
2
pass
2030½
pass
2031¼
Neath [NTH]
2
2034
2035
2033½
2035
2033¾
2035¼
Briton Ferry West Jn
pass
2037½
pass
2037¾
Port Talbot Parkway [PTA]
2
2041
2042
2041
2042½
2041¼
2042½
Port Talbot East
pass
2043½
No report
Margam Middle Jn
pass
2044½
pass
2043¾
Margam East Jn
pass
2045½
pass
2045
Margam Moors Jn.
½
pass
2046½
pass
2046¼
UM
Pyle [PYL]
2
pass
2048½
pass
2047¾
Stormy
pass
2050
pass
2049½
At platform
Bridgend [BGN]
2
2054
2055
2054
2055½
2053¼
2054¾
UM
UM
Tremains
pass
2056½
pass
2056½
Pencoed Up Passenger Loop
pass
2059
No report
Pencoed [PCD]
2
pass
2059½
pass
2058¾
Llanharan [LLR]
1
pass
2101½
pass
2100½
Llantrisant [LTI]
pass
2103
No report
Pontyclun [PYC]
1
2
pass
2103½
pass
2102¾
Miskin
pass
2105½
pass
2104¾
St Fagans L C
pass
2110
pass
2108¾
-1
Leckwith North Jn
1
pass
2112½
pass
2111¾
UM
C
Cardiff West
pass
2115½
No report
Cardiff Central [CDF]
Pathed as Class 80x on electric from here
2
2116
2120
2117
2120
2118¼
2120¾
C
B
Cardiff East
pass
2120½
pass
2122
+1
Long Dyke Jn
pass
2122
pass
2123
+1
B
UM
Moorland Road Junction
pass
2122½
pass
2123¾
+1
Pengam Jn
pass
2123
pass
2124
+1
Rumney River Bridge Jn
pass
2123
pass
2124¼
+1
Marshfield
pass
2126
pass
2127
+1
Ebbw Jn
pass
2128½
pass
2129¾
+1
UM
UM
Gaer Jn
pass
2129
pass
2130
+1
UM
Newport (South Wales) [NWP]
3
2131
2133
2131
2133
2132½
2133¾
UM
UM
Maindee West Jn
pass
2134
pass
2135¼
+1
Maindee East Jn
pass
2134½
pass
2135¾
+1
ML
East Usk Jn.
pass
2135½
pass
2136½
+1
Llanwern West Jn
pass
2136½
pass
2137½
+1
Magor
pass
2140
pass
2140½
Severn Tunnel Junction [STJ]
4
pass
2141½
pass
2143
+1
UM
UT
Severn Tunnel West
pass
2142½
pass
2143¾
+1
Severn Tunnel East
pass
2146
pass
2147½
+1
Pilning [PIL]
1
1
pass
2147
pass
2148½
+1
Patchway [PWY]
1
pass
2150½
pass
2151½
+1
Bristol Parkway [BPW]
1
3
2152
2154
2152
2154
2153¼
2154¼
UT
UB
Westerleigh Jn
pass
2158½
pass
2158¼
Chipping Sodbury
pass
2200
pass
2159¾
Badminton
pass
2202
pass
2202
Hullavington
pass
2205
pass
2204½
Little Somerford
pass
2207½
pass
2207½
Wootton Bassett Jn
1
pass
2211½
pass
2210¾
UB
UM
Rushey Platt
pass
2215½
pass
2214½
UM
UR
Swindon [SWI]
3
2217
2219
2217
2219
2216¾
2219
UR
UM
Highworth Jn
pass
2220
pass
2220½
Swindon Stratton Green
pass
2220½
pass
2221
Swindon South Marston Jn
pass
2221
pass
2221½
Bourton
pass
2222
pass
2222¾
Uffington (Oxfordshire)
pass
2225½
pass
2225¾
Challow
pass
2227
pass
2226¾
Wantage Road
1
pass
2228½
pass
2229
Steventon
pass
2231
pass
2230¼
Milton Junction
pass
2231½
pass
2231¼
Foxhall Jn [XJF]
pass
2232½
pass
2232¼
Didcot West End
pass
2233
No report
Didcot Parkway [DID]
2
pass
2233
pass
2233
Didcot East Jn
pass
2233
pass
2233
Moreton Cutting
pass
2234
pass
2233¼
Cholsey [CHO]
2
pass
2235
pass
2234¾
Goring & Streatley [GOR]
2
pass
2237
pass
2236½
ML
Pangbourne [PAN]
pass
2239
pass
2238¼
Tilehurst [TLH]
2
pass
2240½
pass
2239¼
Tilehurst East Jn.
pass
2240½
pass
2239½
Reading High Level Jn
1
pass
2241½
pass
2241
ML
Reading Main Line West
pass
2243
pass
2241½
-1
Reading [RDG]
10
2243
2246
2244
2246
2242¼
2245½
UM
UM
Reading Main Line East
pass
2246½
pass
2246¼
Kennet Bridge Jn
pass
2247
pass
2246¾
Twyford West
pass
2249½
pass
2248¾
Twyford [TWY]
2
pass
2250
pass
2249½
ML
Ruscombe
pass
2250½
pass
2249¾
Maidenhead [MAI]
2
pass
2253½
pass
2252¾
Maidenhead East
pass
2254
pass
2252¾
Taplow [TAP]
2
pass
2254½
pass
2253½
Burnham [BNM]
pass
2255
pass
2253¾
-1
Slough West
pass
2256
pass
2255
-1
Slough [SLO]
3
pass
2256½
pass
2256
Dolphin Jn
5
pass
2257
pass
2257¾
UM
UR
Langley [LNY]
4
pass
2258½
pass
2259¼
Iver [IVR]
4
pass
2301
pass
2300¾
West Drayton Jcn
pass
2303½
pass
2302½
West Drayton [WDT]
4
pass
2303½
pass
2303
West Drayton East
pass
2304½
pass
2303¼
Stockley Junction
pass
2305½
pass
2304
-1
Heathrow Airport Jn
2
pass
2307
pass
2306
RL
Hayes & Harlington [HAY]
4
pass
2307½
pass
2306¾
Southall West Jn
pass
2309
pass
2307¾
-1
Southall [STL]
4
4
pass
2310½
pass
2310
Southall East Jn
pass
2311
pass
2310½
Hanwell [HAN]
3
pass
2314½
pass
2311¾
-2
UR
West Ealing Junction
pass
2316
pass
2312¾
-2
West Ealing [WEA]
4
pass
2316
pass
2313¼
-2
UR
UR
Ealing Broadway [EAL]
4
pass
2316½
pass
2315
-1
Acton West
1
pass
2317
pass
2316
-1
RL
RL
Acton Main Line [AML]
4
pass
2318
pass
2317
ADU
UR
Friars Jn
pass
2318½
pass
2317¾
Old Oak Common West
pass
2319½
pass
2319
Old Oak Common East
pass
2320
pass
2337
+17
Ladbroke Grove
½
pass
2321
pass
2340¾
+19
UR
6
Portobello Jn (London)
pass
2322
pass
2341½
+19
6
5
Royal Oak Junction
pass
2323
pass
2344¾
+21
5
4
London Paddington [PAD]
9
2324
2324
2347¼
+23
4
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