Warwick is easily accessible via trains (aim to arrive at Coventry station), long distance buses (some stop at the campus, otherwise aim to arrive at Coventry Pool Meadow), local buses (from Coventry, Kenilworth and Leamington) and aeroplane (Birmingham International is only 25mins by taxi). Plentiful carparking is also available.
Complimentary car parking is available for conference delegates in the car parks attached to the conference accommodation (Arden, Radcliffe and Scarman). Enter these car parks through the automatic barriers, and ask at reception for a token and/or code to exit. More
Additional carparking is available in the main campus, but only in three car parks (7, 8a and 15) - you will get clamped in other carparks if you leave your car overnight. When you enter the car park, take the token from the machine at the entrance, which will need to be exchanged for your car park exit code at Rootes Reception. Disabled parking spaces are available close to the entrance of main buildings.
More details, and maps.