230 S.E.2d 765 (1976)
290 N.C. 550
BLANKENSHIP CONSTRUCTION COMPANY et al.
BLANKENSHIP CONSTRUCTION COMPANY et al.
v.
NORTH CAROLINA STATE HIGHWAY COMMISSION.
Supreme Court of North Carolina.
June 1, 1976.Kennedy, Covington, Lobdell & Hickman, Greene, Buckley, DeRieux & Jones, for plaintiffs.
Rufus L. Edmisten, Atty. Gen., Eugene A. Smith, Special Deputy Atty. Gen., Robert W. Kaylor, Associate Atty., for State.
Petition by plaintiffs for discretionary review under GS 7A-31, 28 N.C.App. 593, 222 S.E.2d 452. Denied.