Contractual agreement allowing temporary or permanent access through and/or use of a property.

Recognized as a key component of creating a satisfactory, comfortable space; spaces can be framed by landforms, fences, walls, structures, and trees/landscaping.

A divided highway, typically with a 150-200 foot right-of-way, with full or partial access control and interchanges at selected public roads.  Expressways may also have at-grade intersections spaced at 1500-2000 foot intervals.