Construction of a new bridge level/concourse level entrance into the north end of the Station, including stairs and elevator to the platform level; two pedestrian bridges spanning highway northbound and southbound roadways; a stair and elevator tower on the east side of highway and an elevated ramp and walkway on the west side of highway. Removal of the exisiting emergency exit stairs on the platform and on the west side of highway, and the associated bridge spanning highway southbound.