NEW YORK–(BUSINESS WIRE)–Kroll Bond Rating Agency (KBRA) announces the preliminary rating of BBB- for the Orange County Transportation Authority Toll Revenue Senior Bonds, 2017 TIFIA Series, which evidences the $627 million loan from the United States Department of Transportation to the Orange County Transportation Authority (OCTA). The TIFIA Loan constitutes federal project credit assistance under the Transportation Infrastructure Finance and Innovation Act for the Interstate 405 Improvement