 With a new healthcare facility set to anchor the long-stalled development at Alexandrias Oakville Triangle, plans for the rest of the project are starting to come into focus. Stonebridge is tweaking its proposal for the Potomac Yard-adjacent site along Route 1, convening a series of virtual community meetings on the project over the last few weeks. Stonebridge had once planned for a 190-room hotel and a large retail district on what is now a 13-acre industrial park, with up to 194,000 square feet of shops and restaurants allowed on the site under zoning changes the city passed in 2015. 