NEW YORK–(BUSINESS WIRE)–NY (March 23, 2018) – Kroll Bond Rating Agency (KBRA) assigns a long-term rating of AAA with a Stable Outlook to the Los Angeles County Metropolitan Transportation Authority (LACMTA) Proposition A First Tier Senior Sales Tax Revenue Refunding Bonds, Series 2018-A. KBRA’s long-term ratings do not apply to bonds backed by a letter of credit or liquidity facility, unless otherwise noted. KBRA’s long-term rating for the LACMTA Proposition A First Tier Senior Sales Tax Rev