As Miles Berger knows all too well, transit access and proximity to Manhattan have been longtime drivers of Newark’s office market. He also knows that those benefits play a major role in the city’s lesser-known tourism sector. It’s why Berger is taking a major step to upgrade his hospitality portfolio in downtown Newark: a gut renovation of a 90-year-old hotel that will result in a new state-of-the-art property near the city’s Military Park.