 The bill allocated $162 million allocated toward road improvements that would connect Interstate 57 to the proposed airport site, an environmental review, and the completion of a master plan.An op-ed in "Crain's Chicago Business" by public affairs consultant Delmarie Cobb cites its proximity to five of Amazon's south suburban fulfillment centers and job opportunities for residents of the South Side of Chicago which is within 30 miles of the proposed site as reasons to support a third airport in the south suburbs.Supporters of the south suburban airport had historically found common cause with opponents of the expansion of O'Hare Airport who believe that a south suburban airport would have alleviated the problems at O'Hare necessitating the latter's expansion.