I just noticed that the free map of TV they hand out at the sales office shows the planed layout of the final build out of TV. It shows the Brownwood retail center currently under construction as well as Buena Vista and Morse Blvds extending down to route 44.
Below the intersection of Morse and 44 is county road 468 (not shown) that currently extends down to the Florida Turnpike where a new turnpike exit for TV will be built.
Here's a rough scan:
