The conferenece will be held at Arden house, number 1 on the map here.
The University of Warwick is exceptionally well connected by road, rail and air.
Building work is being conducted on the roads around the Univeristy at the moment. PLEASE READ THIS WEBPAGE
Full travel details can be found here, but also summarised below. http://www2.warwick.ac.uk/about/visiting/directions/
The closest train station is Coventry (NOT Warwick or Warwick Parkway). Direct buses are availble from the train station - Numbers 12/12A or U1. A taxi is ~ £10
Dedicated confernece parking is available at Arden House, where the conference is being held
From Birmingham International, there are direct trains to coventry ~ 4 times per hour. From Heathrow, National Express runs a bus service, or take Air-Rail to Reading Train station