Ascot to Guildford Line

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Ascot to Guildford Line
Type Heavy rail, Commuter Rail
System National Rail
Status Operational
Locale South East England
Termini Ascot
Stations 8
Owner Network Rail
Operator(s) South West Trains
Rolling stock Class 450, Class 456
No. of tracks 1-2
Track gauge Standard gauge 1,435 mm (4 ft 8 12 in)
Ascot to Guildford Line
Distances in miles and chains from London Waterloo.
Waterloo to Reading Line
28m 79ch Ascot
32m 08ch Bagshot
35m 30ch Camberley
37m 48ch Frimley
Milepost change
South Western Main Line
32m 38ch Alton Line
32m 38ch Ash Vale
North Downs Line
Ash Lock Basingstoke Canal
Aldershot (trains reverse here)
Alton Line
Portsmouth Direct Line
New Guildford Line
North Downs Line
Portsmouth Direct Line

The Ascot to Guildford Line is a railway service operated by South West Trains.

The name refers to a service between Ascot and Guildford which shares lines with other services except between Ascot and Ash Vale.

Services on this line have to travel over London Waterloo to Alton line to Aldershot and then reverse to travel along North Downs Line at Ash South Junction to reach Guildford.

The line serves the following stations:

The service makes use of the following distinct lines:


Ascot station is located on the line from London Waterloo to Reading, just to the south of the famous racecourse. From here, the service travels a short distance west along the Waterloo to Reading Line to Ascot Junction. Here it turns south and travels to Ash Vale junction, joining a section of the Alton Line as far as Aldershot. The service then retraces its route back along the Alton Line towards Ash Vale before joining the North Downs Line via a chord at Ash South Junction for the remainder of the journey to Guildford.

The line is single track from just south of Frimley station (and north of the South Western Main Line between Brookwood and Farnborough Main) and Ash Vale Junction.


The line is electrified (750 V DC third rail)

Rolling Stock[edit]

Full Route[edit]

Class 456 EMU[1] trains work the line, with Class 450 Desiros on Sundays, at least 3 450s were in operation on the route on Saturday 14th February 2015. Occasionally, Class 458 trains run on this route, these trains work limited services from Waterloo to Aldershot.

Parts of the route[edit]

Class 450 Desiros and sometimes Class 444 Desiros are also seen on the route between Ash Vale & Aldershot while forming Waterloo to Alton via Woking services. Class 165 and Class 166 are also seen on the route between Ash & Guildford while forming Reading to Shalford/Redhill/Gatwick Airport services.

Further reading[edit]

South West Trains Website


  1. ^ "456's entering services on the route". News page. Retrieved 16 April 2014.