 That's a nearly 70-mile 500-kilovolt transmission line from northern Baltimore County through Carroll County to a substation in southern Frederick County. William Smith is a spokesman for Public Service Enterprise Group, which plans to construct the line. He says it's needed to meet the growing electricity needs in the region. PSEG is holding public information sessions in each of the counties. One will take place in Brunswick on Wednesday. Smith says it's important for the company to gather feedback, particularly on the proposed routes for the transmission line.