quadrant, it forms one of the borders of the Columbia Heights neighborhood (which straddles 16th Street NW) along with Columbia Road NW. Florida Avenue also forms the boundary between Adams Morgan to the north and Dupont Circle to the south, helping to connect the major thoroughfares of Connecticut Avenue NW and 16th Street NW, and forms the northern boundary of the 18th Street NW shopping corridor. It also connects Adams Morgan and Dupont Circle with the Shaw neighborhood and the U Street retail and entertainment corridor. Heading east toward North Capitol Street, Florida Avenue borders LeDroit Park and Bloomingdale to the north, and Truxton Circle to the south. In the northeast quadrant, Florida Avenue serves as the demarcation between the Eckington, Gallaudet University and Trinidad neighborhoods to the north, with NoMa and H Street/Atlas District to the south (also known as Near Northeast). Landmarks Gallaudet University, the American national university for the deaf, is located at 800 Florida Avenue NE. The campus consists of a unique collection of Victorian and Queen Anne style buildings on grounds with a landscape design by Frederick Law Olmsted. The Florida Avenue Grill, located at 1100 Florida Avenue NW, opened in 1944 and is a historic restaurant in the city. Union Market and the adjacent retail strip anchor several blocks along the north side of northeast Florida Avenue, just west of Gallaudet University. Former landmarks on Florida Avenue include Henderson's Castle, a massive red sandstone mansion built at the corner of Florida Avenue and 16th Street NW in 1888 for Senator John B. Henderson. The mansion was razed in 1949, although the retaining wall and gates have survived. Another former landmark was Holmead's Burying Ground, located on Florida Avenue between 19th and 20th Streets. Founded in 1796, it was the city's most prominent cemetery for the first 50 years of the 19th century. It was closed in 1874, and the bodies removed over the next decade. Griffith Stadium, also known as Boundary Stadium (for Boundary Street), was a major league baseball stadium bounded by Florida Avenue NW, W Street NW, Georgia Avenue NW, and 5th Street NW. Built in 1911, it was torn down in 1965. Where Florida Avenue intersects New York Avenue is colloquially referred to as "Dave Thomas Circle". Traffic Safety Concerns Florida Avenue NE has been the subject of traffic safety discussions in recent years following high-profile pedestrian and cyclist deaths. Additionally,