Abstract: Position points of a vehicle are stored in a database as a vehicle travels. New position points are obtained and assigned confidence levels based on how they are obtained. A new position point can replace the oldest, unprotected position point if the confidence level of the new position point is not greater than at least one of the protected position points. A new position point can replace one of the protected position points if the confidence level of the new position point is greater than the protected position point. A new position point can replace the oldest, protected position point if the confidence level of the new position point is equal to or greater than the oldest, protected position point. The position points in the database can be transmitted to a remote service provider.