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
Jackson Heights, Queens Astoria Boulevard; and from 93rd to 97th Streets between 32nd and 31st Avenues. In addition, a vestige of "Trains Meadow Road", named when the area was called "Trains Meadow", still exists near 35th Avenue, 69th Street, and Leverich Street; it formerly went all the way to Flushing Bay. Jackson Heights is among the most diverse neighborhoods in New York City and the nation. Half of the population was foreign born by the 2000s. Jackson Heights is home to large numbers of South Americans (particularly Colombian, Ecuadorian and Argentinian), Indians, Pakistanis, Tibetans, Nepalese, and Bangladeshis. Most businesses are Asian- and Latino-owned,