The first phase of the Road 90 Business Park Development in Pasco will be the new headquarters for several businesses, including Elite Construction & Development; Tri-Cities Engineering; Terence L. Thornhill, Architect; AHBL; and CrossFit Unrestrained.Eight suites are leased and four new ones will be available for future tenants in early December.The 12 units feature a combination of two-story and 18-foot ceilings in flex-space areas....