...NEW YORK (Standard & Poor's) Oct. 15, 2015--Standard & Poor's Ratings Services today assigned its '###+' issue-level rating to Jacksonville, Fla.-based CSX Corp.'s proposed senior unsecured notes. CSX will use the proceeds from these notes for general corporate purposes, which may include share repurchases, capital expenditures, working capital requirements, acquisitions, productivity improvements, and other cost-reduction initiatives at its major transportation units. Our rating on CSX reflects the U.S. freight railroad industry's favorable risk characteristics as well as the company's large and strategically important rail network and solid cash flow generation. Price competition from other railroads and trucking companies on selected commodities and the company's high capital spending requirements, which are typical of the industry, somewhat offset these strengths. We assess the company's business risk profile as "strong," its financial risk profile as "intermediate," and its liquidity...