Jackson Heights, Queens Heights is on a grid, with the major exceptions of streets surrounding Astoria Boulevard, Junction Boulevard, the Brooklyn-Queens Expressway, and Grand Central Parkway. However, there are a few side streets of note in Jackson Heights. Jackson Mill Road, which is actually two roads in Jackson Heights and East Elmhurst, was formerly a streetcar line, and was one of several "Bowery Bay Roads" leading to Bowery Bay. The rest of the original Jackson Mill Road was destroyed by the construction of the LaGuardia Airport, but sections exist between 94th and 95th Streets near 24th Avenue; between 96th and 97th Streets near
Jefferson Heights, New York York State Route 23 is a four-lane highway through the northern part of Jefferson Heights, leading east to the Rip Van Winkle Bridge over the Hudson River and northwest to Cairo. Interstate 87, the New York State Thruway, runs along the northwest border of Jefferson Heights, and Thruway Exit 21 (Cairo – Catskill - NY Route 23) is in the northern part of the CDP. Albany, the state capital, is to the north by the Thruway, and New York City is to the south. According to the United States Census Bureau, the Jefferson Heights CDP has a total area of