Specifications include, but are not limited to: The improvements to this 6.3 mile section of the mainline beltway consist of upgrading to a 6-lane controlled access freeway with a closed median area from Centennial Parkway to Grand Montecito Parkway with median widening; signing and drainage improvements from Craig Road to Centennial Parkway; and overhead signing structures with lighting and roadside protection at the Aliante Parkway interchange. The project includes reconstruction of the center median and shoulders, center and roadside safety improvements with barrier and guard rail installations, storm drainage facilities; high mast, bridge underdeck and ramp lighting modifications; design and installation of overhead sign structures and other traffic control devices with roadside protection and lighting; pavement markings; and other necessary appurtenances required to make a good, complete, and serviceable project. The project will also include safety improvements within the intersecting streets along the western beltway including installation of barrier rail, guard rail, and impact attenuators, removal of sidewalk, curb and gutter, and asphalt to accommodate these safety improvements.
