This point also marks the beginning of the HEFT 's hidden designation of State Road 821 .
Travelers to here from the northern parts of the Turnpike Extension can continue south along US 1 to the Florida Keys or the Everglades National Park ( via SR 9336 ) .
This point also marks the beginning of the HEFT 's hidden designation of Turnpike Extension     .
Travelers to here from the northern parts of the Turnpike Extension can continue south along US 1 to the Florida Keys or the Everglades National Park ( via SR 9336 ) .