261 S.E.2d 123 (1979)
298 N.C. 567
NORTHWESTERN DISTRIBUTORS, INC.
NORTHWESTERN DISTRIBUTORS, INC.
v.
NORTH CAROLINA DEPARTMENT OF TRANSPORTATION.
Supreme Court of North Carolina.
November 6, 1979.Moore & Willardson, for plaintiff.
*124 Sandra M. King, for Department of Transportation.
Petition by defendant for writ of certiorari. 41 N.C.App. 548, 255 S.E.2d 203. Denied.