State Road 836 (SR 836), locally known as the
Dolphin Expressway, is a -long six-lane divided
expressway, with the westernmost being an all electronic
tollway, and the easternmost of SR 836 between
I-95 and
SR A1A is signed
Interstate 395. The road currently extends from just north of the intersection of Southwest 137th Avenue and
U.S. Route 41 (
SR 90) in
Tamiami, eastward past the
Homestead Extension of Florida's Turnpike (SR 821) and
Miami International Airport, before intersecting
I-95, becoming I-395 and ending at SR A1A in Miami at the west end of the
MacArthur Causeway. The Dolphin Expressway is maintained and operated by the
Miami-Dade Expressway Authority, while the I-395 section is maintained by
FDOT. The Dolphin Expressway from the Palmetto Expressway to I-95 opened in 1969, with the I-395 section opening in 1971, the extension to the HEFT opening in 1974 and a second western extension opening in 2007.