New Jersey, often dubbed the "Diner Capital of the World," boasts over 600 diners today—a density unmatched anywhere else, with roughly one for every 16,000 residents. This legacy isn't just about endless coffee refills or encyclopedic menus; it's a story of industrial innovation, immigrant grit, and cultural glue, woven into the fabric of a state sandwiched between New York and Philadelphia. From horse-drawn lunch wagons to gleaming stainless-steel behemoths, NJ's diners evolved from roadside necessities into symbols of mid-20th-century Americana, serving 2.4 million customers daily nationwide by 1951, with the Garden State as the epicenter. The tale begins in 1872, when Walter Scott parked a horse-drawn wagon in Providence, Rhode Island, hawking sandwiches and pie to late-night workers. By the early 1900s, these "lunch cars" rolled into New Jersey, fueled by the state's dense population, superior highways, and rail hubs that left factory shifts hun...