A judge on Monday increased bail for Joshua Malmgren to $350,000.
The 30-year-old Lower Township resident previously pleaded not guilty to vehicular homicide charges.
Malmgren also is charged with driving while intoxicated, reckless driving and failure to maintain a lane of travel.
Authorities say Malmgren hit 15-year-old Nioami Lazicki and 13-year-old Ashley Dauber of Philadelphia on a Middle Township road as the girls walked home on July 31.