Summit is a city in northern Union County known for its walkable downtown, established residential neighborhoods, schools, healthcare institutions, and direct rail connection to New York City. The downtown surrounds the NJ Transit station and includes shops, restaurants, offices, civic spaces, and cultural destinations. Trains on the Morris and Essex Lines connect Summit with Newark, Hoboken, and Manhattan. Route 24 and Interstate 78 are nearby, providing road access across northern and central New Jersey. Residential areas range from historic homes near the center to larger properties in the hills toward Short Hills and New Providence. Reeves-Reed Arboretum, Briant Park, and other local green spaces contribute to the city’s suburban landscape. Summit borders Millburn, Chatham, New Providence, Berkeley Heights, Springfield, and Mountainside. Its elevated setting, strong downtown, transportation options, and concentration of community institutions have made it one of the best-known residential and business centers in the western part of Union County.