page_title: Miami
section_title: Freeways and roads
hierarchical_section_title: Miami / Transportation / Freeways and roads
caption_attribution_description: English: Skyline at twilight, Miami, Florida, USA. The downtown skyscrapers and the Port Boulevard Bridge are colorfully illuminated after sunset. The view is from Watson Island across Biscayne Bay.
context_page_description: Miami, officially the City of Miami, is the seat of Miami-Dade County, and the cultural, economic and financial center of Florida in the United States. The city covers an area of about 56 square miles between the Everglades to the west and Biscayne Bay to the east. Miami is the sixth most densely populated major city in the United States with an estimated 2019 population of 467,963, also making it the 42nd most populous city in the U.S., the second-largest city in Florida behind Jacksonville, and the largest in South Florida. The Miami metropolitan area is home to 6.1 million people, the second-most populous in the southeastern United States and the seventh-largest in the nation. The city has the third tallest skyline in the U.S. with over 300 high-rises, 55 of which exceed 491 ft.
  Miami is a major center and leader in finance, commerce, culture, arts, and international trade. The metro area is by far the largest urban economy in Florida and the 12th largest in the United States, with a GDP of $344.9 billion as of 2017. In 2018, Miami was classified as an Alpha level global city by the GaWC.
context_section_description: Miami's road system is based along the numerical Miami grid where Flagler Street forms the east–west baseline and Miami Avenue forms the north–south meridian. The corner of Flagler Street and Miami Avenue is in the middle of Downtown in front of the Downtown Macy's (formerly the Burdine's headquarters). The Miami grid is primarily numerical so that, for example, all street addresses north of Flagler Street and west of Miami Avenue have "NW" in their address. Because its point of origin is in Downtown, which is close to the coast, the "NW" and "SW" quadrants are much larger than the "SE" and "NE" quadrants. Many roads, especially major ones, are also named (e.g., Tamiami Trail/SW 8th St), although, with exceptions, the number is in more common usage among locals.
  With few exceptions, within this grid north–south roads are designated as Courts, Roads, Avenues or Places (often remembered by their acronym), while east–west roads are Streets, Terraces, Drives or occasionally Ways.  Major roads in each direction are located at one mile intervals. There are 16 blocks to each mile on north–south avenues, and 10 blocks to each mile on east–west streets.  Major north–south avenues generally end in "7" – e.g., 17th, 27th, 37th/Douglas Aves., 57th/Red Rd., 67th/Ludlam, 87th/Galloway, etc., all the way west beyond 177th/Krome Avenue.  (One prominent exception is 42nd Avenue, LeJeune Road, located at the half-mile point instead.)  Major east–west streets to the south of downtown are multiples of 16, though the beginning point of this system is at SW 8th St, one half mile south of Flagler ("zeroth") Street.  Thus, major streets are at 8th St., 24th St./Coral Way, 40th St./Bird, 56th/Miller, 72nd/ Sunset, 88th/N. Kendall, 104th (originally S. Kendall), 120th/Montgomery, 136th/Howard, 152nd/Coral Reef, 168th/Richmond, 184th/Eureka, 200th/Quail Roost, 216th/Hainlin Mill, 232nd/Silver Palm, 248th/Coconut Palm, etc., well into the 300s.  Within the grid, odd-numbered addresses are generally on the north or east side, and even-numbered addresses are on the south or west side.
  All streets and avenues in Miami-Dade County follow the Miami grid, with a few exceptions, most notably in Coral Gables, Hialeah, Coconut Grove and Miami Beach. One neighborhood, The Roads, is named as such because its streets run off the Miami grid at a 45-degree angle, and therefore are all named roads.
  Miami-Dade County is served by four Interstate Highways (I-75, I-95, I-195, I-395) and several U.S. Highways including U.S. Route 1, U.S. Route 27, U.S. Route 41, and U.S. Route 441.
  Some of the major Florida State Roads (and their common names) serving Miami are:
  SR 112 (Airport Expressway): Interstate 95 to MIA
  Homestead Extension of Florida's Turnpike (SR 821): Florida's Turnpike mainline (SR 91)/Miami Gardens to U.S. Route 1/Florida City
  SR 826 (Palmetto Expressway): Golden Glades Interchange to U.S. Route 1/Pinecrest
  SR 836 (Dolphin Expressway): Downtown to SW 137th Ave via MIA
  SR 874 (Don Shula Expressway): 826/Bird Road to Homestead Extension of Florida's Turnpike/Kendall
  SR 878 (Snapper Creek Expressway): SR 874/Kendall to U.S. Route 1/Pinecrest & South Miami
  SR 924 (Gratigny Parkway) Miami Lakes to Opa-locka
  Miami has six major causeways that span over Biscayne Bay connecting the western mainland, with the eastern barrier islands along the Atlantic Ocean. The Rickenbacker Causeway is the southernmost causeway and connects Brickell to Virginia Key and Key Biscayne. The Venetian Causeway and MacArthur Causeway connect Downtown with South Beach. The Julia Tuttle Causeway connects Midtown and Miami Beach. The 79th Street Causeway connects the Upper East Side with North Beach. The northernmost causeway, the Broad Causeway, is the smallest of Miami's six causeways and connects North Miami with Bal Harbour.
  In 2007, Miami was identified as having the rudest drivers in the United States, the second year in a row to have been cited, in a poll commissioned by automobile club AutoVantage. Miami is also consistently ranked as one of the most dangerous cities in the United
caption: State Road 886 (Port Boulevard) connects downtown and PortMiami by bridge over Biscayne Bay.
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