Specifications include, but are not limited to: Qualified Contractors to construct roadway improvements for the 2-mile stretch of Rittenhouse Road, between 213th Street (south of Ocotillo Road) and Riggs Road. The intent of this project is to widen the east side of Rittenhouse Road for approximately 15,000 linear feet to provide four travel lanes, center median and bike lanes. Improvements will include furnishing all labor, tools, material, equipment and any other incidentals necessary to construct the following: asphalt pavement, concrete curb, gutter, sidewalk, drainage structures and retention basins. Replace three traffic signals, widen an existing spur track railroad crossing, trench and install conduit for the Salt River Project (SRP) 12kV electrical power overhead to underground conversion, install 12-inch water line, update street signing and pavement markings along with other miscellaneous work, to complete the proposed improvements depicted in the project plan set.