Introduce or expand transportation options that are available to the public and run on a scheduled timetable (e.g., buses, trains, ferries, rapid transit, etc.)
Prevent radon from entering occupied buildings and reduce existing indoor air radon levels via soil depressurization, home or room pressurization, heat recovery ventilation, etc.
Establish transportation services for areas with low population densities using publicly funded buses and vans on a set schedule, dial-a-ride transit, volunteer ridesharing, etc.