Bakersfield Completes New Highway 58-99 Loop Connector
The new connector improves east-to-north travel as part of the Thomas Roads Improvement Program in Bakersfield.
Updated on Oct. 30, 2026 in Construction
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Construction is complete on a new loop connector linking Highway 58 and Highway 99 in Bakersfield. The project is a major piece of the Thomas Roads Improvement Program designed to streamline traffic flow in the region.
Why it matters
The loop connector provides a vital new link for motorists traveling from Highway 58 to Highway 99, reducing congestion in the local area. This project represents a significant infrastructure investment supported by federal and regional cooperation.
The interchange project reached seven-eighths completion with a total minimum cost of $630 million. This follows the opening of five-eighths of the interchange earlier in February 2024.
The players
Caltrans
This is the state agency responsible for the design, construction, and maintenance of California's highway system.
Kern Council of Governments
This is a regional planning agency that coordinates transportation and land-use policies across Kern County.
William M. Thomas
He is a former member of the U.S. House of Representatives who secured federal funding for the regional improvement program.
The details
The city of Bakersfield, Kern County, Caltrans, and the Kern Council of Governments collaborated to deliver this infrastructure improvement. Federal support for the effort was initially secured through the 2005 Safe, Accountable, Flexible, Efficient Transportation Equity Act.
Timeline
2005: Federal funding secured for the project.
February 2024: Five-eighths of the interchange opened to traffic.
March 2024: The flyover from Highway 99 to Highway 58 opened.
Monday: Agencies plan to provide a project update.
Market Landscape
This project follows the funding and strategic mandates established by the 2005 Safe, Accountable, Flexible, Efficient Transportation Equity Act. It underscores the long-term regional commitment to leveraging federal resources for major transit infrastructure.
Motorists in Bakersfield can now utilize the new loop for more efficient travel between Highway 58 and Highway 99. Residents should monitor local traffic announcements for further updates on remaining interchange construction.
The takeaway
The completion of this loop connector significantly advances the Thomas Roads Improvement Program in Bakersfield. Drivers should anticipate future updates as the city moves toward finishing the remaining sections of the interchange.
What happens next
Regional agencies are scheduled to provide a project update this coming Monday.
Further reading
Learn more about local development in our Bakersfield Construction section.
Source note: This article includes information reported by The Bakersfield Californian.
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