News Releases


Road closure at Culebra Road & NW Loop 410 and Vista Valley & SW Loop 410 are scheduled to improve electric reliability on the northwest and southwest side of San Antonio 

August 25, 2023 (SAN ANTONIO) – CPS Energy is working to improve the quality and safety of aging electrical lines on the northwest side of the city at Culebra Road and NW Loop 410.  as well as the southwest side of the city at Vista Valley and SW Loop 410.  

The Culebra Road Project will consist of installing a new overhead primary line across NW Loop 410, causing a road closure and signal lights to be turned off under NW Loop 410 at Culebra Road. The work will take place on Sunday, August 27, 2023, from 6:00 a.m. – 4:00 p.m., weather permitting.  

CPS Energy contractor crews will be working on both sides of the highway resulting in lane closures. Blue Shield will provide traffic control on NW Loop 410 which will consist of six rolling traffic stops lasting about 15 minutes each. Traffic will be directed crossing Culebra Road and will include the turning lanes.   

The Vista Valley Project will consist of the removal and installation of new overhead lines that cross SW Loop 410, causing a road closure on both sides of the highway and access/frontage roads. The work will take place on Sunday, August 27, 2023, from 5:00 a.m. – 2:00 p.m., no outages are expected due to this closure. Blue Armor officers will be providing traffic control during the hours of the lane closure.  

Drivers are asked to find alternative routes and avoid the areas, if possible. CPS Energy reminds drivers to Move Over or Slow Down, per State law, for crew and driver safety.  

For more information about the Culebra Road Project and other upcoming road closures or infrastructure projects, visit the CPS Energy website.  


About CPS Energy 

Established in 1860, CPS Energy is the nation’s largest public power, natural gas, and electric company, providing safe, reliable, and competitively-priced service to more than 930,114 electric and 381,379 natural gas customers in San Antonio and portions of seven adjoining counties. Our customers’ combined energy bills rank among the lowest of the nation’s 20 largest cities – while generating $9 billion in revenue for the City of San Antonio for 80 years. As a trusted and strong community partner, we continuously focus on job creation, economic development, and educational investment. We are powered by our skilled workforce, whose commitment to the community is demonstrated through our employees’ volunteerism in giving back to our city and programs aimed at bringing value to our customers. CPS Energy is among the top public power wind energy buyers in the nation and number one in Texas for solar generation. 

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