Next round of downtown construction on Interstate 35 snarls traffic, work to last through November Work is now being done on the upper levels of the highway near McCullough Avenue
KPRC
SAN ANTONIO – Downtown San Antonio drivers will have to navigate through a new round of construction on Interstate 35 and Interstate 10 through November.
The northbound upper levels of I-35 will have two main lane closures from I-10 near Martin Street to McCullough Ave.
Work on bridge joint repairs will begin on Tuesday and continue through November 2025.
Additional work will continue in this area through spring 2026.
The work on Tuesday morning caused major delays from Woodlawn Lake into downtown and delays from I-35 north for drivers coming up from the South Side.
For the latest road conditions across the state, click here . The latest traffic updates from KSAT can be found here .
Copyright 2025 by KSAT - All rights reserved.
About the Authors RJ Marquez headshot
RJ Marquez is the traffic anchor/reporter for KSAT’s Good Morning San Antonio. He also fills in as a news anchor and has covered stories from breaking news and Fiesta to Spurs championships and high school sports. RJ started at KSAT in 2010. He is proud to serve our viewers and be a part of the culture and community that makes San Antonio great.
Mason Hickok headshot
Mason Hickok is a digital journalist at KSAT. He graduated from the University of Texas at San Antonio with a communication degree and a minor in film studies. He also spent two years working at The Paisano, the independent student newspaper at UTSA. Outside of the newsroom, he enjoys the outdoors, reading and watching movies.
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