Specifications include, but are not limited to: gathering data needed for signal timing, preparing signal timing base plans using the MCDOT provided spreadsheet, preparing corridor coordination plans (may be several jurisdictions) using a data driven process, analyzing traffic signal phasing warrants for left turn phasing at intersections, performing before and after studies, developing performance reports, strategic planning efforts, and tasked related to incident corridor management and decision support systems related to arterial mobility. A broad range of engineering services in traffic signal timing are anticipated under this on-call contract, which requires technical expertise for successful implementation of the projects.