As used in this chapter, unless the context requires a different meaning: “Committee” means the Interstate 81 Committee established pursuant to § 33.2-3603. “Fund” means the Interstate 81 Corridor Improvement Fund. “Interstate 81 corridor” means Interstate 81, Route 11, and other parallel highways, parallel railways, and related transportation facilities that help move people and goods. “Plan” means the Interstate 81 Corridor Improvement Plan adopted by the Board on December 5, 2018, and any updates or amendments made thereto in accordance with the provisions of this chapter. “Program” means an Interstate 81 Corridor Improvement Program.