I-66 Express Mobility Partners presents a $578 million check that will fund additional transportation improvements along the I-66 corridor. L-R: Virginia Transportation Secretary Aubrey Layne, Prince William County Supervisor and Nothern Virginia Transportation Authority Chairman Marty Nohe, Fairfax County Board of Supervisors Chair Sharon Bulova, Governor Terry McAuliffe and Ferrovial Group SA Chairman Rafael Del Pino.