Section 1. United States Army Specialist Zachariah W. Long Highway.
(a) Designation.--A portion of the road S.R. 642, beginning at the intersection of S.R. 642 and S.R. 54 and proceeding west to the border of Northumberland and Union Counties is designated as the United States Army Specialist Zachariah W. Long Highway.
(b) Signs.--The Department of Transportation shall erect and maintain appropriate road signs displaying the designated name of the road to traffic in both directions.