Capital Branch September Speaker Lunch

September 25, 2018
11:30 AM to 1:00 PM
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Old Spaghetti Factory
1910 St.
Sacramento, CA 95811

Topic: State Route 120 (SR 120)/Union Road Diverging Diamond Interchange

Speakers: Matt Brogan and Aaron Silva, Mark Thomas & Company 


The City of Manteca has the need to reconfigure the State Route 120 (SR 120)/Union Road Interchange to increase traffic capacity and safety. Previous studies for the interchange recommended a partial cloverleaf configuration, which exceeded the City’s available construction funding. The City wanted a more efficient interchange configuration that provided the needed capacity enhancements. The City has selected a new interchange type, a Diverging Diamond, which has yet to be constructed in the State. Learn how the City has been able to work with Caltrans to gain approval for the new interchange type, as well as develop a project that provides capacity and safety for all travel modes.

About the speakers:

Matt Brogan, PE is principal in charge of the Mark Thomas Sacramento office. He has 19 years of experience in municipal and transportation engineering. He serves as project manager on a variety of complex transportation improvement projects starting with planning through final design. His project experience includes interchanges, highway widenings, grade separations, and local roadway enhancements. Matt also has extensive experience managing local agency-led projects on Caltrans facilities. He’s developed excellent working relationships with Caltrans staff in multiple districts that have aided in the successful delivery of projects for various cities and counties.

Aaron Silva, PE, has more than 11 years of experience in the design and delivery of municipal and transportation projects. Aaron is a highly skilled geometrician and is very knowledgeable with Caltrans design standards. His experience includes planning and initiation documents, project approvals and environmental clearance, and final PS&E for several interchange projects throughout California. Aaron is also involved in developing innovative solutions for active transportation to improve pedestrian and bicycles safety and access.