49 USC 49105 – Capital improvements, construction, and rehabilitation
(a)
(1) should pursue the improvement, construction, and rehabilitation of the facilities at Washington Dulles International Airport and Ronald Reagan Washington National Airport simultaneously; and
(2) to the extent practicable, should cause the improvement, construction, and rehabilitation proposed by the Secretary of Transportation to be completed at Washington Dulles International Airport and Ronald Reagan Washington National Airport within 5 years after March 30, 1988.
(b)