DALLAS, Pa.--(BUSINESS WIRE)--Frontier Communications (NASDAQ:FTR) announced today that it has invested nearly $100 million in its Pennsylvania operations since 2011, including approximately $20.5 million in 2014. Major capital expenditures supported engineering initiatives to increase broadband speeds and improve network infrastructure for residential and commercial customers in Bedford, Berks, Bradford, Bucks, Carbon, Chester, Columbia, Dauphin, Fulton, Lackawanna, Lancaster, Lehigh, Luzerne,