State Road 415 (SR 415) is a north–south route in Central Florida running between State Road 44 in Volusia County and SR 46 in Seminole County.

[3] Here the road shifts to the northeast and crosses the St. Johns River over the Osteen Bridge, where it enters Volusia County and runs through the Lake Monroe Conservation Area, which it leaves at the intersection of Reed Ellis Road.

Here, it turns straight north again until it approaches CR 4145 and then curves northeast again, as it passes through swampland and over dry creeks and canals before running through Alamana where it runs near the west side of Lake Ashby, crosses a bridge over the Lake Ashby Canal, and serves as the address for the privatetly-owned Leffler Airport.

However, it continues to run north as County Road 415(Tomoka Farms Road), which runs west of the city limits of New Smyrna Beach and Port Orange.

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