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This project includes improving the SH 123 intersection and ramp reversals along I-35 between SH 80 and RM12
The existing I-35 mainlanes and bridge over SH 123/Guadalupe Street will be reconstructed and improved. In addition, the project will reverse and relocate several entrance/exit ramps, and add extended entrance/exit lanes along the mainlanes and frontage roads between SH 80 and RM 12.
Project activity includes improvements to the northbound and southbound I-35 frontage roads and bridges at the San Marcos River. TxDOT anticipates periodic closures of the river at I-35 to complete the work. Recreational users along the San Marcos River will be notified in advance of any closures via shore signs and can sign up for additional project updates.