TX 4 Travel Info
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State Highway 4 or SH 4 is an east–west state highway that runs from the Gateway International Bridge in Brownsville to the Gulf of Mexico at Boca Chica State Park. Outside of Brownsville, it parallels the Rio Grande river. It is the southernmost Texas state highway.
SH 4 was one of the original twenty-six state highways proposed in 1917, overlaid on to ... more
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