sentences:  The American Association of State Highway and Transportation Officials (AASHTO) approved an additional of US 77 from Brownsville to Raymondville for designation as I-69, which was to be signed as I-69E upon concurrence from the Federal Highway Administration (FHWA).FHWA approval for this segment was announced on May 29, 2013.By March 2015, a 74.9 mile section of US-59 had been completed and designated as I-69 through the Houston Metropolitan Area.