State Road 687 (SR 687) is a north–south state road located solely within the borders of St. Petersburg, Florida. The road runs from Interstate 175 north to Interstate 375 along both 3rd Street and 4th Street.
State Road 687 (SR 687) is a north-south route confined exclusively to St. Petersburg, Florida. It extends from Interstate 175 to the north and Interstate 375 alongside Third Street and Fourth Street.