Summit Interchange Ramps

The Summit Interchange Ramps project, managed by the California Department of Transportation District 9 in Bishop, focuses on restoring and extending the service life of pavement to improve ride quality for the traveling public. The scope of work is specifically located on the eastbound and westbound on and off ramps at the summit interchange on Tehachapi Boulevard, State Route 58, in Tehachapi, Kern County. This project is classified under NAICS code 237310 for highway, street, and bridge construction. Under solicitation number 09-42860, the project was granted a categorical exemption under section 15301(c) following an environmental review which determined that no significant environmental impacts are expected. The project was formally processed on January 22, 2026, with Rebeka Riesen serving as the primary environmental scientist and point of contact. While the project has been certified for exemption and filed with the Office of Planning and Research, specific pricing, contract values, and performance periods have not been disclosed in the available documentation.