The Pennsylvania Senate on Monday unanimously passed a bill sponsored by state Sen. John Rafferty (R-Montgomery) that would increase penalties for those driving under the influence with a minor in the vehicle with them when the violation occurs.

Under Senate Bill 539, the maximum fine for a first DUI offense would increase to $1,000 and 100 hours of community service, according to Rafferty's office. A second offense would carry a maximum fine of $2,500 and imprisonment of up to six months. Drivers convicted of subsequent offenses could be jailed for up to two years.

"Penalties must be increased when drunk drivers put minor passengers in danger," Rafferty said in a statement. "Hopefully, this will serve as a deterrent, especially for adults who drink and drive with children in the vehicle. This legislation will help keep our roadways safe for our children, other drivers, passengers and pedestrians."

The bill passed the Senate by a 49-0 margin.