1. A position determining system for a vehicle, the system comprising: an imaging unit for collecting image data from a vehicle; a wireless device for reading a radio frequency identification tag; an image processor for determining whether the collected image data contains a visual landmark; a confirmation module for determining whether the identified visual landmark is associated with a corresponding radio frequency identification tag having a particular tag identifier; a range finder for determining a position offset of the vehicle with respect to the identified visual landmark; a data processor for determining a vehicular position of the vehicle based on the determined position offset and a stored reference position associated with at least one of the visual landmark and the radio frequency identification tag.