PROVIDENCE, R.I. — A real estate initiative involving 19 acres of vacant land made available after the relocation of Interstate 195 is attracting interest from developers after a sluggish start.

Most of the new parcels became ready for development last year, after considerable infrastructure work was completed in the newly formed I-195 Redevelopment District. Among other things, the state laid new underground power lines and realigned streets to attract developers.

Now three projects are going forward on the area called LINK land, named for the way that its development will reunite sections of the city formerly cut off by the old highway. And other projects have been proposed, among them a multimillion-dollar life sciences complex on five acres and a riverfront stadium for the Triple A Pawtucket Red Sox baseball team.

The first project, at least in terms of a groundbreaking, was for Johnson & Wales University, which four months ago began building a three-story, 71,000-square-foot engineering and academic center on one of two parcels the college bought from the state for $3.9 million. The $40 million project, on the west side of the Providence River, is scheduled to be completed in 2016 and will house the university’s new biology program and its School for Engineering and Design.