Frontier built 675 miles of fiber optic cable to public facilities such as schools, State Police barracks, hospitals and government offices. Martin requested a state audit when Frontier charged the state about $62,000 per mile – what Martin claimed is twice the going rate.rontier built 675 miles of fiber optic cable to public facilities such as schools, State Police barracks, hospitals and government offices. Martin requested a state audit when Frontier charged the state about $62,000 per mile – what Martin claimed is twice the going rate.