The idea of connecting Long Island with the continental United States, either by bridge or by tunnel, has also been kicked around before, most recently in 2008. "It's always worth it to take another look," said Christopher Jones, the vice president of research at the Regional Plan Association. "But it's a project that could actually create more problems than it's worth." He said a tunnel would be costly, have potential negative environmental impacts on the Sound, and could increase traffic congestion on both ends of the tunnel. "So I think it's got a lot of hurdles to get over," Jones added.
See the full story at WNYC.