The invention relates to a distributed system (1； 11； 21) for access control and sobriety testing comprising an authorization control and sobriety testing station (2； 12； 22； 32), which obtains authorization data and a bodily signature sample from an individual seeking access, a central control unit (3； 13； 23； 33), which, if there is a positive verification of the authorization data and no detection of alcohol in the bodily signature sample, issues temporary authorization information, and at least one access control unit (4； 14； 24), which obtains the temporary authorization information and, upon a positive verification of the temporary authorization information, grants access to the individual who is seeking such access.
