State Route 46 4-Lane Widening Project

Project Description

The California Department of Transportation (Caltrans) will widen State Route 46 from a 2-lane to a 4-lane highway between post miles 29.7 and 31.9 in Kern County. The project will also construct a new bridge over the California Aqueduct, a high-intensity activated crosswalk beacon at the State Route 46/Bruning Avenue intersection, a drainage basin on the west side of Lost Hills Road north of the intersection with State Route 46, and curb, gutter, and crosswalks throughout the town of Lost Hills. The project will also acquire land from the southern edge of the Lost Hills Wonderful Park.


Graphic of project location map


Project Benefits


The purpose of the project is to improve the traffic flow, reduce traffic accidents on State Route 46, and improve the safety of State Route 46 to the traveling public.


The project is needed to address the following on State Route 46:

  • Congestion and significant traffic delays
  • Few opportunities for drivers to safely pass around slower-moving vehicles
  • High traffic accident rate
  • Route continuity with the rest of the State Route 46 corridor


Estimated Funding Breakdown

Funding Source Funding Amount
Local $3,500,000
State $2,000,000
Federal $17,500,000 BUILD Grant
Construction Cost $23,000,000



  • Federal Highway Administration
  • Kern County


Proposed Project Schedule

Process Date
Final Environmental Document to be Completed May 12 2005
Right-of-way acquisition to be completed July 2020
Design to be Completed July 2020
Advertise November 2020
Construction to begin April 2021
Construction to be completed August 2024


Project Contact Info

Gilberto Baca, Project Manager
Phone: (559) 243-8425

Public Information Office
Phone: (559) 444-2409




Title VI Information

The California Department of Transportation (Caltrans) assures that no person shall, on the basis of race, color, or national origin, be excluded from participation in, be denied the benefits of, or be otherwise subjected to discrimination under any program or activity receiving Federal financial assistance, as required by Title VI of the Civil Rights Act of 1964, as amended, the Civil Rights Restoration Act of 1987, and Federal Executive Order 12898 (Federal Actions to Address Environmental Justice in Minority Populations and Low-Income Populations).

Caltrans will make every effort to ensure nondiscrimination in all of its programs and activities, whether they are federally funded or not, and that services and benefits are fairly distributed to all people, regardless of race, color, or national origin. In addition, Caltrans will facilitate meaningful participation in the transportation planning process in a nondiscriminatory manner.