Download In State Plane Projection Here. The pavement boundaries were traced from aerial photography taken betweenMarch 15th, 2018 and April 25th, 2018. This dataset should meet National Map Accuracy Standards for a 1:1200 product. Lake County staff reviewed this dataset to ensure completeness and correct classification. In the case of a divided highway, the pavement on each side is captured separately. Island features in cul-de-sacs and in roads are included as a separate polygon. TYPE is a code referring to the type of pavement.