Motorists who drive recklessly or cross the Mackinac Bridge without paying the toll face heftier fines under bills signed this week by Governor Granholm.
One of the new laws increase the penalty for reckless driving, on road or water, from a maximum 90 days in jail and a $100 fine, to 93 days in jail and a $500 fine.
A 93-day jail sentence requires violators to be fingerprinted. That could allow offenders to be better tracked.
The change allows local governments to enact ordinances with the heftier penalty.
Granholm also signed a bill that increases the fine for failing to pay the toll to cross the Mackinac Bridge to a maximum $500 and 30 days in jail.
There had been no penalty for failing to pay the toll.