NBC News addressed the growing national concern about skyrocketing transportation construction costs during its evening broadcast June 29. NBC News Correspondent Savannah Guthrie reported that "the cost of asphalt has shot up 70% in the last five years because one of its key ingredients is crude oil." Guthrie spent a few days before the report interviewing a number of local, state and national experts, including AASHTO Executive Director John Horsley. When asked about the financial difficulties many states are facing, Mr.