https://beta.congress.gov/bill/113th-congress/house-bill/4523/text Congress.gov: H.R. 4523] The plans are to turn SH 44 into an interstate highway between Freer (where it will intersect I-69W) and Corpus Christi, Texas (about 73 miles ) in order to have a network of interstate highways connecting Laredo (the largest inland port on the United States–Mexican border) with Corpus Christi (a major seaport and manufacturing center).