Florida State Road 105

SR 105 begins at an interchange with I-95.[2] SR 105 has an interchange with U.S. Route 17 (US 17) less than 1 mile (1.6 km) from its western terminus. From there, SR 105 can be characterized as a four-lane mid-speed highway that parallels the north bank of the St. Johns River through a rural area.[3][4] After 5.9 miles (9.5 km), traffic slows down briefly to a pair of traffic lights. In between the traffic lights, there are on-ramps for access to Interstate 295 (I-295).[5] After the traffic lights, SR 105 begins to travel through marshland along the St. Johns River. The speed limit for this portion of the road is 45 miles per hour (72 km/h).[6] During this stretch, SR 105 intersects all the roads that cross the St. Johns River. After intersecting Dave Rawls Boulevard, SR 105 thins down to a two-lane highway. The road proceeds to travel through mostly marshland, crossing over Little Clapboard Creek and Sisters Creek.[7][8] After 9.3 miles (15.0 km) of travelling through marshland, SR 105 intersects SR A1A, which crosses the St. Johns River via the Mayport Ferry.[9] At this point, signage disappears for SR 105 as it converges with SR A1A.[10] SR 105 follows SR A1A over Fort George Inlet and through Little Talbot Island State Park and Big Talbot Island State Park.[11] SR 105 then crosses the mouth of the Nassau River into Amelia City.[12] SR 105 follows the beach due north until its reaches its western terminus in Fernandina Beach.[13]

SR 105 travels concurrent with SR A1A from the Mayport Ferry up to Fernandina Beach, however, over the years, signage has been removed.

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