Batelle Darby Metro Park extends much farther north.
http://www.metroparks.net/parks-and-trails/battelle-darby-creek/

Does this service road have a name?

New state park & wildlife refugee just opened here.
Website: http://parks.ohiodnr.gov/jesseowens

Is the Chargers training facility?

Mason and Lebanon have annexed a lot of land around here for new subdivisions. I've updated some, but there's still more to go. Leaving note as reminder to return to this.

Mi Cozumel just opened on Monday. Press release states address is 11700 Princeton Pike, Springdale. It's a space within TriCounty Mall with an outdoor patio. Just leaving note for now, as I don't know where in the mall it's located.

Caesar Creek (State) Park missing

This rail line has been abandoned on the west side of the river and is to be turned into a bike trail. Construction to start this summer.