Des Moines leaders are making a push to shore up funding for a major road project deemed vital to economic redevelopment on the city’s southeast side.Mayor Frank Cownie and City Manager Rick Clark on Monday met with federal transportation officials in Washington, D.C., to discuss the city’s $30 million grant application for the Southeast Connector. The project aims to eventually link southeast Des Moines to the U.S. Highway 65 beltway.The project would improve transportation and redevelopment prospects in an area of Des Moines that was once a strong industrial and manufacturing district but has for decades suffered from disinvestment.