Celebrating the Completion of the SR 99/120 Connector
July 29, 2026 - Over the past two years, the project tackled one of the region’s busiest transportation hubs and modernized the key connector’s aging infrastructure
July 29, 2026 - Over the past two years, the project tackled one of the region’s busiest transportation hubs and modernized the key connector’s aging infrastructure
July 28, 2026 - Before a single yard of the main weir concrete could be poured, crews had to conquer highly complex geotechnical conditions
July 28, 2026 - What changed—and what continues to define successful CMGC projects today—is a willingness to lean into collaboration.
July 28, 2026 - With a maximum span of 450 feet, the engineering landmark was also the country’s longest span concrete box girder bridge upon its completion
Concrete Pavement Week is an opportunity to thank the workforce that builds these essential assets and to recognize the lasting contribution of concrete roads
Jun 29, 2026 - They chose concrete pavement for the overwhelming majority of the project, with the goal being to be extend its lifespan
Jun 28, 2026 - Security Paving Co. began executing the $506-million contract in August 2022, with a 2027 completion target.
Jun 28, 2026 - Every day more than 276,000 motorists drive this segment of I-5 through the cities of Irvine and Tustin, to reach commercial, employment, residential, and educational destinations.
Jun 27, 2026 - Approximately 350,000 cubic yards of Conventional Vibrated Concrete and 250,000 cubic yards of Roller Compacted Concrete are going into the construction.
Jun 06, 2026 - MIT research reveals that road design and maintenance impact transportation emissions far more than construction materials.