Like Zonenbillettes for public transport, the digital Autovignette charges drivers differently for road consumption in their home canton, in neighbouring cantons, and further afield.
This price discrimination lets cantons that feel their local roads are overused by through-traffic to use price to discourage use. It also offers cantons a tool to steer or account for the externalities of the traffic caused by drivers who live outside the canton where the traffic occurs.
API to integrate with software such as Ways, Google Maps to let price signals change drivers’ behaviour. cp the sudden braking and intermezzos of observance of speed limits caused by speed traps and speed-trap apps.
Cantons free to agree revenue-sharing mechanisms like ÖV-Verbünde.