Planning and development in Detroit since the late 20th century has attempted to enhance the economy and quality of life of Detroit, Michigan, United States. In 1970, the private group Detroit Renaissance began to facilitate development in the city. Its successor, Business Leaders for Michigan, has continued to facilitate development into the 21st century. Projects have included new commercial facilities, revitalization of neighborhoods, hospitality infrastructure, and improvements to recreational and public facilities, such as the QLine light rail project.