If vehicles have two or more occupants and do not have a declarable occupancy (Flex) pass, the transponder must be covered by a metallic object or they will be charged a toll. The pilot project was extended through June 2013 by the state legislature in 2011.
If vehicles are carrying two or more passengers and do not have permission to report their occupancy (Flex), the transponder must be hidden from view with a metal object; otherwise, they will incur a toll. The initial trial was extended through June 2013 due to legislative action in 2011.