Interstate 2 comprises a well traveled freeway across the Rio Grande Valley in South Texas. Overlaying U.S. 83 for 46.8 miles, IH 2 runs east from Palmview through the cities of Mission, McAllen, Pharr, San Juan and Weslaco among others. The designation concludes at IH 69E/U.S. 77 in Harlingen, which angles southeast to Brownsville and the Veterans Bridge to Matamoras, Mexico. Designated as a branch of the IH 69 corridor, IH 2 improves mobility and the movement of freight traffic to points north with the connections to IH 69C/U.S. 281 north and the continuation of U.S. 83 to Laredo.
The west end of IH 2 is located at the grade separated interchange with Showers Road, west of Palmview. U.S. 83 extends from there along a five lane, at-grade boulevard through Penitas and La Joya. Construction along the north side of the two cities through
January 2021 early 2023 constructs the US 83 Relief Route, a new four lane, 6.7 mile long controlled access highway. Split into three phases, Phases I & III constructs the new roadway from 0.85 miles east of FM 886 (El Faro Road) to a point just west of FM 2221. Phase II completes the freeway from FM 2221 to a point 0.28 miles west of Showers Road. Estimated costs for Phases I & III was $86.24 million and $95.91 million for Phase II.4