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
Borough Hall/Court Street (New York City Subway) Borough Hall/Court Street (New York City Subway) Borough Hall/Court Street is an underground New York City Subway station complex shared by the BMT Fourth Avenue Line, the IRT Broadway–Seventh Avenue Line and the IRT Eastern Parkway Line. The station is named Borough Hall on the IRT lines and Court Street on the BMT. Located at the intersection of Court, Joralemon and Montague Streets at the border of Downtown Brooklyn and Brooklyn Heights, it is served by the: Borough Hall on the IRT Broadway–Seventh Avenue Line has two levels. Each level has one track with a side platform on the south