 This line is going to go through my second pasture, and it will ruin the beauty and the landscaping of my farm. Janine Holzberg, one of the Carroll County residents, speaking out Thursday at the last of a series of hearings on that 500,000-volt overhead transmission line that would stretch through Baltimore, Carroll, and Frederick counties. A number of residents wondered why this line can't be built along existing lines. Jason Calway of PSEG says it's not practical.