Method and arrangement for providing map information to an operator of a vehicle includes forming a map database to reside on the vehicle, e.g., after installation on the vehicle, and which includes for example, data about lanes that the vehicle can travel on locations of a boundary or edges of the travel...http://www.google.ca/patents/US8209120?utm_source=gb-gplus-sharePatent US8209120 - Vehicular map database management techniques
