A Hoffman Estates company is being eyed to help design a timing model for all of the traffic signals in Lake County. Sam Schwartz Engineering is being considered for the job. The county board will vote on a $99,995 contract for the firm when it meets Tuesday in Waukegan. The design and engineering work is the second phase of the project. A timetable was not immediately available.Copyright © 2013 Paddock Publications, Inc. All rights reserved.