Haymarket in Boston is an open-air market on Blackstone, Hanover, and North Streets, next to the Rose Fitzgerald Kennedy Greenway between the North End and Government Center. The market is operated by the Haymarket Pushcart Association, which was founded in 1974 to negotiate with the city on issues such as waste removal and traffic. The roughly 50 Haymarket vendors sell fruit, vegetables, and seafood at very low prices. The market offers "produce its vendors obtain from wholesale distribution terminals north of Boston," primarily the New England Produce Center in Chelsea. Prices are low because the wholesale markets need to make room for new shipments arriving over the weekend.