3. The method of claim 2 , wherein the correlating comprises: accessing the link information associated with the identified route links, the link information comprising connectivity information.
3. The method of claim 2 , wherein the correlating comprises: accessing the link information associated with the identified route links, the link information comprising connectivity information. 4. The method of claim 3 , wherein the determining comprises: processing the connectivity information associated with the identified route links to determine whether the first and second roads intersect.