Find more information about the various ways we deliver highway construction projects.
Learn more about A+B bidding, a method of bidding used on some projects that rewards a contractor for completing a project as quickly as possible.
Find information on the method in which one-entity - a design-build team, works under a single contract to provide both design and construction services of a project.
Learn more about how we use flexible start dates to allow the contractor some discretion in establishing when a project's working days will start. This provision is used in specific projects where it would yield favorable results, including lower cost and more efficient use of contract time.
Interim completion dates allow us to address concerns of local agencies, businesses, and the traveling public with regard to the duration of a portion of a contract.
Lump Sum Traffic Control is a method to streamline all traffic control unit items into a single item. The contractor submits a single lump sum bid for developing, implementing and maintaining traffic control on a contract.
In 2023, speeding continued to be a top reason for work zone crashes.
Fatal work zone crashes doubled in 2023 - Washington had 10 fatal work zone crashes on state roads.
95% of people hurt in work zones are drivers, their passengers or passing pedestrians, not just our road crews.
