Milford, Ohio — Penn Station East Coast Subs is updating its 35-year-old brand with the rollout of PS 2020, which includes a restaurant redesign and certain menu changes and additions. The first restaurants with the new menu and design opened late last year, and all restaurants in the system now have the new menu. “We spent the better part of a year gathering data, interviewing guests and franchisees, and speaking with crew members about the new layout and our menu changes,” says Craig Dunaway, president. “From the data analysis, interviews …