Usually the Metro (line 8) is the best way to get to the venue from Madrid downtown. Unfortunately it will be closed due to public works from January to April 2017.
Thus, transportation from Madrid downtown to the meeting venue, back and forth, will be kind of complicated.
For this reason, to ease your transportation from Madrid downtown to the meeting venue, SPA/RAC will provide a shuttle bus (photos hereafter) that will departure from two points to ensure participants transportation during the 2 days of the CORMON meeting (28 February and 1st March 2017) as follows:
Return from the venue to the same departure points will be provided by the end of the daily session at 6:00 pm.