2010, allocating $506 million for the cleanup. The completion date for the cleanup is set for 2022. 21st century The area is zoned for light to mid-level manufacturing. In the first decade of the 21st century, residential developers were hindered by the industrial zoning and the problems of the sewage overflow through the canal water, but there have been rumors of rezoning by the New York City Department of City Planning. Many residents and community groups have expressed concern over the sewage overflow that the rezoning could possibly create. From 20132016, the City Planning Department, community groups, business owners, developers, arts organizations, and neighborhood residents participated in a "community planning process" called Bridging Gowanus intended to inform neighborhood rezoning processes with the intention of creating a land-use framework for the neighborhood. Many "coworking" spaces were formed in Gowanus in the 2010s. More restaurants, bars, and art galleries moved to the neighborhood, and new real estate became available. On the New York City Subway, the on the BMT Fourth Avenue Line and the on the IND Culver Line run through Gowanus. Bike routes cross the canal on the Union Street, 3rd Street and 9th Street bridges. The elevated Gowanus Expressway runs through the southern edge of the neighborhood, crossing the canal at Hamilton Avenue. The Carroll Street Bridge, built in 1889, is the oldest of the four remaining retractable bridges in the country. References External links Neighborhoods in Brooklyn