Automated license-plate readers and associated software have become inexpensive go-tos for law enforcement and toll collection. They also raise questions about equity and ethics. Axon Enterprises, a vendor of law-enforcement cameras and other devices, has set up an ethics board to consider such questions.
Wisconsin is the most recent state to consider a mileage-based user fee. Although other states have considered such fees, none has yet been implemented. Although the political climate is hostile to additional taxes, many states are realizing that they have little choice but to find new revenues for their transportation systems.