Florida State Road 105
State Road 105 (SR 105) is a north-south state highway in northeastern Jacksonville, Florida. It travels from an interchange with Interstate 95 (I-95) just north of downtown eastward (signed north) along the north bank of the St. Johns River to an intersection with SR A1A, at the Mayport Ferry, and then along SR A1A to the end of SR 200 in Fernandina Beach. SR 105 is the only access road to the Jacksonville Zoo and Gardens. In fact, the entire road was named Heckscher Drive for years. However, the section from I-95 east to I-295 East Beltway was renamed Zoo Parkway. Route description SR 105 begins at an interchange with I-95. SR 105 has an interchange with U.S. Route 17 (US 17) less than 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. After , 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). After the traffic lights, SR 105 begins to travel through marshland along the St. Johns River. The speed limit for