After the Turnpike mainline was completed in 1964, the Turnpike Authority (precursor to
Florida's Turnpike Enterprise) explored several extensions to the Turnpike system, including an expressway in western
Dade County from Florida City to the Turnpike mainline at the
Dade/
Broward county line. Construction on the tollway began in July 1971. The northernmost thirteen miles of the tollway between
US 27 and the Turnpike mainline was open to traffic on May 1, 1973, at a cost of $22 million and a $0.40 toll to motorists. During the first half of 1974, the expressway between Campbell Drive (SW 312th Street) and US 27 was opened in five stages, with the road running uninterrupted from the Turnpike in Miramar to Homestead on May 20, 1974, with the last section to Florida City connecting to US 1 completed later in 1974. The total toll of the expressway was $0.80. The HEFT has used mile-based
exit numbers and an
open toll collection system since its opening; both concepts that were implemented on the Turnpike mainline in the late 1980s and early 1990s. On April 27, 1986, the Okeechobee toll plaza opened with a $.25 toll, with this the toll plaza at the US 27 exit was removed. Tolls at the Miramar plaza were also lowered from $.40 to $.25. On February 2, 1989, tolls on the Expressway doubled from $1.00 to $2.00, with $.50 being charged at each toll plaza. Toll hikes, raising the cost of travelling the expressway from $2 to $3 were supposed to take effect on the Homestead Extension in 1993 to match the rest of the Turnpike, but Hurricane Andrew's impact in the area in 1992 had the state delay toll hikes on the highway until July 9, 1995. In 1997, the Bird Road toll plaza was reconfigured to a two part form to accommodate the then-bottleneck section of the expressway. In 1998, the road, like with the mainline, was designated as the Ronald Reagan Turnpike. The
SunPass electronic toll collection system was implemented during 1999, with the toll plazas being reconfigured to allow lanes dedicated to transponder users. A toll hike took effect on March 7, 2004, increasing the toll rate for non SunPass users to $4 for a full-length trip, with SunPass users still using the 1995 toll rates. The portion of the HEFT between Exits 11 (Cutler Ridge Boulevard) and 16 (
State Road 992) was designated the "
John F. Cosgrove Highway" in 2008 by the Florida Legislature, following his death in 2006. A lawyer and former legislator, Cosgrove was also the first mayor of
Cutler Bay, a city along the HEFT. He was instrumental in passing legislation to keep insurers from leaving the state following
Hurricane Andrew. The staffed toll plazas were converted into all electronic toll gantries, and the only ways to pay are either by
SunPass transponders or billing by the toll-by-plate program. In 2007, legislation was passed in Florida to index toll rates across the state to the national
Consumer price index (CPI), to be enacted by the end of June, 2012. As a result, the toll rates on the HEFT were raised on June 24, 2012, an increase of 11.7% to reflect the previous five years. In keeping with the legislation, SunPass and toll-by-plate rates were then raised again on July 1, 2013, by 2.1%. Since the indexing of tolls to the national CPI, the entry and exit toll rates have risen by approximately 30 cents, in some cases more than double their pre-2012 rates. Construction was completed in 2018 on a project to add Express Lanes from Eureka Drive to the Don Shula Expressway. ==Exit list==