Pennsylvania law attempts to thwart throwing objects at vehicles by admin | Jul 11, 2018 A new law in Pennsylvania is intended to improve safety and deter delinquent behavior on various overpasses around the state. The change mandates the Pennsylvania DOT erect fencing on certain state-owned bridges. Powered by WPeMatico Share this:Tweet Related Submit a Comment Cancel reply Your email address will not be published. Required fields are marked *Comment Name * Email * Website Notify me of follow-up comments by email. Notify me of new posts by email.