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Transportation in Florida includes a variety of options, including Interstate Highways, United States and Florida State Roads, Amtrak and commuter rail services, airports, public transportation, and ports, in a number of the state's counties and regions. ==Highways== Florida's interstates, U.S. Highways, and state highways are maintained by the Florida Department of Transportation, with the exception of a few highways in Miami, which are maintained by the Miami-Dade Expressway Authority (MDX). Florida's interstate highway system contains 1,473 miles (2,371 km) of highway, and there are 9,934 miles (15,987 km) of non-interstate highway in the state, such as Florida state highways and U.S. Highways. State highways are numbered according to convention. The first digits of state highways with some exceptions (such as State Road 112 (SR 112) connecting Interstate 95 (I-95) to the Miami International Airport) are numbered with the first digit indicating what area of the state the road is in, from 1 in the north and east to 9 in the south and west. Major north-south state roads generally have one- or two-digit odd route numbers that increase from east to west, while major east-west state roads generally have one- or two-digit even route numbers that increase from north to south. Roads of secondary importance usually have three-digit route numbers. The first digit ''x'' of their route number is the same as the first digit of the road with two-digit number ''x''0 to the immediate north. The three-digit route numbers also increase from north to south for even numbers and east to west for odd numbers. Following this convention, SR 907, or Alton Road on Miami Beach, is farther east than SR 997, which is Krome Avenue, or the farthest west north-south road in Miami–Dade County. One notable exception to the convention is SR 826, or the Palmetto Expressway (pictured at the right heading north) which, although even numbered, is signed north-south. State roads can have anywhere from one to four digits depending on the importance and location of the road.〔(FHP State Road Listings ). Retrieved March 29, 2009. 〕 County roads often follow this same system. A law introduced on January 1, 2013, required all non US drivers to possess an International Driving License to drive within the state. The Florida Department for Highway Safety and Motor Vehicles issued a statement on February 14, 2013, announcing that the law would not be enforced.〔(Florida's International Driving Permit Guidelines ),〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Transportation in Florida」の詳細全文を読む スポンサード リンク
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