Work is to include construction of an elevated transit station on the loop elevated line at state street and lake street, and also improvements at the lake red line subway station. the work for the elevated line will include a phased demolition of the existing state/lake station, construction of an eight car platform with a fare collection area, four elevators, two escalators, flyover bridge and canopy, civil site work as it relates to utility connections, utility relocation, vaulted sidewalk modifications, pavement reconstruction, medians, sidewalks, roadway lighting, signaling and streetscaping, track and track structure modifications and replacements, and train control signals system modification.the work for the lake red line subway station includes a phased partial demolition of the existing lake/randolph subway mezzanine and a renovation of the existing lake/randolph subway mezzanine and platform to add two elevators.