Proposed Porthole Alley Redevelopment Plans Preserve Carolina Coffee Shop Posted Nov 17, 2021 UNC held public information sessions about the Porthole Alley redevelopment project earlier this week. Porthole Alley is located where the North Carolina Campus meets Downtown Chapel Hill. It encompasses 128 East Franklin Street through 144 East Franklin Street and includes businesses like Johnny T-shirt, Cosmic Cantina and Carolina Coffee Shop. (Chapelboro.com)