This primer presents some promising and innovative mileage fee system designs and transition strategies. For states or localities that are considering a transition to mileage fees, awareness of these strategies can help determine whether shifting from fuel taxes to mileage fees merits further consideration. For jurisdictions already engaged in detailed assessments of mileage fees, these concepts can help reduce costs and build public support.

Researchers developed two scenarios to envision the future of mobility in China in 2030. Economic growth, the presence of constraints on vehicle ownership and driving, and environmental conditions differentiate the scenarios. By making potential long-term mobility futures more vivid, the team sought to help decisionmakers at different levels of government and in the private sector better anticipate and prepare for change.