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Florida A1A

Florida A1A is a north/south route that runs in sections along the entire Atlantic coast of Florida. (It is also the name of a popular Jimmy Buffet album). It is used mainly as a local road for beach traffic and rarely as an alternate to U.S. 1, unless one desires beachfront scenery and beachgoing traffic. The route has evolved over the years, and it currently consists of eight separate sections:

  1. A local route on the southern side of Key West, following Roosevelt Boulevard. Florida A1A begins at the intersection of Bertha Street and Roosevelt Boulevard, then passes by Key West International Airport before meeting U.S. 1 at the east end of the island. The highway is shown on some maps continuing south as a county route from Bertha Street south west to U.S. 1 at the intersection of Whitehead Street and Virginia Street, but it is not signed.
  2. In the Miami area, Florida A1A forms the main north-south route on the barrier islands and on Miami Beach. it begins at U.S. 1 and Interstate 395 and reconnects to U.S. 1 in Broward County. Known here as the MacArthur Causeway, Collins Avenue, and Ocean Drive. Florida A1A replaced former U.S. 41 along the MacArthur Causeway between Miami and Miami Beach.
  3. In the Ft. Lauderdale area, Florida A1A hugs the Atlantic coast and provides for mostly tourist and beach traffic. Both ends of this section end at U.S. 1, with the southern terminus at 18th Avenue in Broward and the northern terminus at Dixie Highway in Palm Beach County. It is known locally as Southeast 17th Street, Atlantic Boulevard, Ocean Boulevard, and 21st Avenue.
  4. In the Palm Beach area, Florida A1A is the north/south route on the coast. Both ends at U.S. 1: the southern terminus is at Broadway and the northern terminus is at PGA Boulevard. Known locally as Blue Heron Boulevard and Ocean Drive.
  5. In the Stuart and Jupiter areas, Florida A1A again runs along the coast. And again, Florida A1A connects to U.S. 1 at its southern end at Florida 714 and its northern end at Federal Highway. Florida A1A is known locally as Ocean Boulevard and Seaway Boulevard.
  6. At Port St. Lucie, Vero Beach, and Cape Canaveral, Florida A1A again splits off from U.S. 1 to follow the coast. Florida A1A serves beach traffic and NASA installations. The southern terminus is U.S. 1 in Jensen Beach and the northern terminus is at Cocoa Boulevard, after turning west along Florida 528/Bee Line Expressway. Through this long section, Florida A1A is known locally on Florida's Space Coast as Astronaut Boulevard, Bennett Causeway, Miramar Avenue, and Atlantic Avenue.
  7. In the Daytona Beach and New Smyrna Beach area, Florida A1A begins again at Atlantic Avenue and extends to meet U.S. 1 at Ridgewood Avenue. It is known locally as Lytle Street and 3rd Avenue. An orphaned section is known as Volusia County Route A1A, and it enters Canaveral National Seashore, where it ends and does not reconnect to U.S. 1.
  8. The northernmost section of Florida A1A extends from Daytona Beach all the way to the northern end inland near Callahan. Florida A1A serves the Jacksonville area with a short break over the St. John's River mouth. (Use Florida 10 west to Florida 9A/Future Interstate 295 north to Florida 105 east to detour.) The southern terminus is at U.S. 1, Ridgewood Avenue in the Daytona area. In Nassau County, Florida A1A turns inland to end at U.S. 1/23/301. For this section, Florida A1A is locally known as Dunlawton Avenue, Ocean Short Boulevard, Anastasia Boulevard, Bridge of Lions, Menendex Road, Ponce de Leon Street, Ponte Vedra Boulevard, Atlantic Boulevard, and the First Coast Highway.

Many thanks to Justin Cozart and Jason Learned for the background information about Florida A1A. This information was originally posted on TropicalTurnpikes.com and is reproduced with permission by Justin Cozart.

Florida A1A Mileage

These mileage totals include the state-maintained segments of Florida A1A but not the county maintained sections:

  • Monroe (2.895)
  • Miami-Dade (21.982)
  • Broward (25.627)
  • Palm Beach (35.092)
  • Martin (6.904)
  • Saint Lucie (25.654)
  • Indian River (22.518)
  • Brevard (43.237)
  • Volusia (23.925)
  • Flagler (17.69)
  • Saint Johns (40.264)
  • Duval (21.965)
  • Nassau (26.729)
Florida A1A North - MacArthur Causeway
Florida A1A separates from its parent, U.S. 1/Biscayne Boulevard at the interchange between U.S. 1 and Interstate 395 northeast of downtown Miami. This ramp connects northbound U.S. 1 with northbound Florida A1A, which also picks up traffic from eastbound Interstate 395. Once Interstate 395 and Florida A1A merge together, they become expressway standard with controlled access via traffic signals and ramps. Photo taken 12/26/04.
Florida A1A crosses over the Biscayne Bay/Intracoastal Waterway to allow for boats and ships to pass under the MacArthur Causeway. Photo taken 12/26/04.
The skyline of Miami Beach appears in the distance as Florida A1A passes over the crest of the bridge over Biscayne Bay/Intracoastal Waterway. The bridge will land on Watson Island before reaching Miami Beach. Photo taken 12/26/04.
This is the first northbound Florida A1A shield, found on Watson Island adjacent to Watson Park. This shield was a U.S. 41 east shield in 1999; it was gone by 2001. Photo taken 12/26/04.
The primary "exit" from Florida A1A northbound provides access to Watson Island, Parrot Jungle Island, and the Miami Childrens Museum. Photo taken 12/26/04.
A steel barrier separates traffic on six-lane Florida A1A. This route carries a 50 mile per hour speed limit, but traffic can move more quickly or slowly depending upon traffic. On hot summer days, the line to the beach can extend out this far west. Photo taken 12/26/04.
The waterway formed between Dodge Island (Port of Miami) and Watson Island lies snug against Florida A1A as the causeway prepares to cross into Miami Beach. Note the large number of cranes located on nearby Lemmons Island, which is also part of the Port of Miami. To reach the port, turn around and go south on U.S. 1 in Miami, then east on Port Boulevard. Photo taken 12/26/04.
The next traffic signal on northbound Florida A1A/MacArthur Causeway is Palm Island/Hibiscus Island. Photo taken 12/26/04.
Palm trees adorn the median of Florida A1A as it passes between Palm Island and Star Island. Photo taken 12/26/04.
The final signalized intersection of the causeway before reaching West Avenue and Florida 907/Alton Avenue in Miami Beach is Star Island. Photo taken 12/26/04.
Florida A1A North - Miami Beach
This overhead marks the southern terminus of Florida 907 along northbound Florida A1A/former Eastbound U.S. 41 at Alton Avenue. This is the first overhead sign for Florida A1A since leaving northbound U.S. 1 in downtown Miami. We are also nearing the former end of U.S. 41; there is only one 41 sign further east than here. Florida 907 (Alton Road) provides an alternative to busy Collins Avenue (Florida A1A); it also splits into Florida 907 and Florida 907A near Interstate 195. Photo taken 12/99.
Northbound Florida A1A (former Eastbound U.S. 41) at Michigan Avenue, Miami Beach. This picture is interesting for several reasons: it was the last mention of (now former) U.S. 41 eastbound (this shield was replaced by 2001 with a Florida A1A shield); it was erroneously signed with a Florida 41 shield; and it is located at Michigan Avenue, which is the northern state in which U.S. 41 terminates northbound. Photo taken 12/99.
U.S. 41 used to end at the intersection of 5th Street and Collins Avenue. By 2001, signs for the southern (eastern) terminus of U.S. 41 were removed from Miami Beach, and today, Florida A1A makes a left turn north from this intersection. We were so taken by traffic and scenery that we missed our only opportunity to snap a picture of the intersection where the southern terminus of U.S. 41 was formerly located. Back in 1999, we tried to find an End U.S. 41 shield, but to no avail. Photo taken 12/99.
As Florida A1A (Collins Avenue) leaves downtown Miami Beach, it passes by a variety of high rise condominiums and other densely populated areas. Here, Florida A1A approaches Florida 112, a major east-west road that extends from Florida A1A west to Miami via the Julia Tuttle Causeway (Interstate 195). In the 1960s, the section of Florida 112 between Florida A1A and Interstate 195 was known as Business Spur I-195. Photo taken 12/28/03.
Northbound Florida A1A (Collins Avenue) reaches the left turn for Florida 112 (Arthur Godfrey Road). Even though most of the highway from Miami Beach to Miami is Interstate 195, the trailblazer shield here is for Interstate 95 rather than Interstate 195. Photo taken 12/28/03.
Florida A1A South
Through Palm Beach, Florida A1A passes by expensive homes as it parallels the ocean. This picture was taken just south of the U.S. 98 traffic circle (western terminus of U.S. 98/Florida 80). Photo taken 12/99.
South of Palm Beach, southbound Florida A1A reaches Florida 802/Lake Worth Road. Use Florida 802 west to return to U.S. 1 and Interstate 95 (which connects to Palm Springs and West Palm Beach). Photo taken 12/99.
Southbound Florida A1A meets Florida 856 in Sunny Isles Beach. Photo taken 1/06/01.
A bit further south, Florida A1A reaches Florida 826 in North Miami Beach, which becomes the Palmetto Expressway to the west of here. Photo taken 1/06/01.
Southbound Florida A1A passes by residential and commercial areas as it approaches downtown Miami Beach. Although not photographed here, Florida A1A will turn west upon reaching Fifth Street toward Miami. Collins Avenue continues for several blocks south of Fifth Street before ending at Biscayne Street near Pier Park. Somewhat confusingly, the street signs installed by the city still refer to Collins Avenue as A1A even though the signs are south of Fifth Street. Photo taken 1/06/01.
After departing downtown Miami Beach, southbound Florida A1A begins to head due west toward downtown Miami. It passes by a few signalized intersections, including Florida 907/Alton Avenue, before crossing Biscayne Bay en route to Watson Island and ultimately downtown. Photo taken 12/26/04.
The Florida A1A shield today generally features even spacing between the letters and numerals. Some of the earlier shields featured a smaller "A" and larger "1," which resulted in more emphasis on the number one. Photo taken 12/26/04.
This arch bridge carries traffic from Florida A1A north to Star Island. With the seawater so close to the bridge, it is possible that a storm surge from a hurricane would not rise up to cover the bridge. Photo taken 12/26/04.
The MacArthur Causeway/southbound Florida A1A approaches the main Watson Island exit, with connects to Parrot Jungle Island and Miami Children's Museum. Photo taken 12/26/04.
This southbound Florida A1A shield is located just prior to the Watson Island exit ramp. Photo taken 12/26/04.
Southbound Florida A1A departs Miami Beach and enters the city of Miami. Photo taken 12/26/04.
Southbound Florida A1A/MacArthur Causeway reaches the main Watson Island exit, with connects to Parrot Jungle Island and Miami Children's Museum. Photo taken 12/26/04.
The next exit along southbound Florida A1A is the junction with Interstate 395 and U.S. 1/Biscayne Boulevard. Florida A1A will end here and the brief Interstate 395 freeway will begin. Use this exit to reach the Port of Miami, American Airlines Arena, and downtown/financial district. Photo taken 12/26/04.
This is the final southbound Florida A1A shield along this segment. The next exit sign is for U.S. 1. Photo taken 12/26/04.
This section of Florida A1A reaches its southern terminus when its reaches its interchange with U.S. 1 and Interstate 395 westbound near downtown Miami. This marks the eastern terminus of Interstate 395. Florida A1A ends here, but it reappears once more south of here, in Key West. Photo taken 1/06/01.
Other Photos Pertaining to Florida A1A
Hurricane evacuation signage in Miami Beach. (This sign is not actually on Florida A1A but is located next to the beach.) Photo taken 1/06/01.

Page Updated December 6, 2004.