An executive patron attempted to park more than one car at a time in the facilities controlled by the system. Two benefits are provided by ... The system provides an audible and visual alarm at each cash register and prints a diagnostic message ( Figure ... The fourth edition of MANUAL OF TRAFFIC ENGINEERING STUDIES will be available in July, completely revised and updated to reflect the state of the art. ... He is a member of ASCE, TRB, ARBA and the Society of Sigma Xi. Mr. Box anbsp;...