An Act amending Titles 42 (Judiciary and Judicial Procedure) and 75 (Vehicles) of the Pennsylvania Consolidated Statutes, in sentencing, further providing for sentence of total confinement; in licensing of drivers, further providing for notice of acceptance of Accelerated Rehabilitative Disposition and for the offense of driving while operating privilege is suspended or revoked; in miscellaneous provisions relating to serious traffic offenses, further providing for homicide by vehicle while driving under influence; and, in driving after imbibing alcohol or utilizing drugs, further providing for the offense of driving under influence of alcohol or controlled substance, for grading, for penalties, for prior offenses and for accelerated rehabilitative disposition.