The State Highway Department, the Public Service Commission, and any county, city, borough, incorporated town, or township, may acquire, by purchase or by the right of eminent domain, a free and unobstructed view down and across such lands located at or near the intersection of any two highways, or a highway and a railroad or railway, or at any curve in any highway, as may be necessary to assure a free and unobstructed view in all directions at such crossings, and to so prevent the use of such lands for any purpose or in any manner which may interfere with or obstruct the vision of any person or persons traveling upon any such highway.
36 P.S. § 2591