A problem with road sensors caused thousands of motorists to be mistakenly charged higher tolls at two Hampton Roads tunnels.
Virginia transportation officials have made some changes to meet the demand for E-ZPass transponders in Hampton Roads.
Another rate increase looms for drivers on the Dulles Toll Road.
Tolls on two existing tunnels to help pay for a third one in traffic-choked Hampton Roads are legally permissible user fees, not an unconstitutional tax, the Virginia Supreme Court ruled on Thursday.
Tolls have increased bridges, tunnels and other roads in Maryland.
A legal loophole is partially to blame for $6.7 million in Maryland tolls going unpaid over the past 5 years.