 PA 772 was extended west from Manheim to its current terminus at PA 441 in Marietta in the 1980s, replacing the entire length of PA 141 between Marietta and Mount Joy.Lancaster County commissioned a feasibility study in 2005 to determine the practicality of rerouting PA 772.The new proposed route would have PA 772 cross PA 72 in Manheim and continue along East High Street to Doe Run Road.