 Just after Springfield Boulevard is a full interchange with the Grand Central Parkway (along the Grand Central, Exit 22 eastbound, and exit 23 westbound).After the Grand Central, Union Turnpike goes back into the neighborhood of Bayside, the eastern section of the Flushing district, where it becomes the southern boundary of Alley Pond Park until it intersects with Winchester Boulevard.It then passes the Creedmoor Psychiatric Center, and then shares a full interchange with the Cross Island Parkway (Exit 28B on the Cross Island).