Conveniently located near to the interchange of the I-295 and Butler Boulevard, this business center is close to the heart of Florida's largest city. Jacksonville has its own international airport, just 15 minutes from the downtown area, and Amtrak also serves the city with daily long-distance trains. The city's economy is strong because of its diverse range of businesses including financial services, biotech and manufacturing, and the HQs of several Fortune 500 companies are based here. National surveys have ranked Jacksonville as one of the top US cities to relocate to for employment opportunities. The city is also home to many higher education institutions, including the University of North Florida. The deep-water port of Jacksonville is Florida's third largest and serves both military and civilian needs.