This contract is for on-call general engineering services, specifically for traffic signal improvements at the intersection of McDowell Road and 159th Avenue. The scope of work includes design and plan preparation, topographic surveying, data collection, utility coordination, and technical specifications. The contract has a duration of 183 days and a total value of $119,435.96. The vendor, Entellus, Inc, will provide the services, and Greenlight Traffic Engineering, LLC will provide subconsulting services for traffic signal design. The key deliverables include 60%, 90%, and final design submittals, as well as a construction cost estimate.