Texarkana. These approvals added over 100 mi to the Interstate Highway System in the Rio Grande Valley. The signage was installed in mid-2013.

The cluster consisting of the recently designated portions of I-2, I-69C, and I-69E in the Rio Grande Valley is not connected to the national Interstate network. This situation is slated to be remedied by scheduled projects to complete I-69E along US 77 between Raymondville and Robstown and to complete the southern end of the previously signed portion