Santa Cruz Route 1 Drainage Improvement Project


Project Description

Caltrans proposes to improve existing drainage systems on State Route 1 in Santa Cruz County from post mile 0.0 to post mile 7.94. The project would involve drainage repair or drainage replacement at several locations where drainage structures are already in place. The project would also include improvements to roadway lighting, traffic monitoring, and maintenance access on State Route 1 from post mile 101.50 in Monterey County to post mile 7.94 in Santa Cruz County. Project activities would involve vegetation clearing, vegetation replanting, temporary construction activities, temporary staging sites, temporary traffic control, pavement repaving, and pavement restriping.


Graphic of project location map


Project Benefits


The purpose of the proposed project is to improve assets in poor condition:

  • Restore damaged culverts in poor condition to maintain and improve the drainage systems and protect embankments and the roadway from potential failure.
  • Upgrade existing count stations to meet current standards and extend service life. Also, install new changeable message signs to maintain an efficient Intelligent Transportation System and convey adequate traffic information to the traveling public.


A culvert inventory assessment performed in 2008 identified culverts within the project limits that are in various states of disrepair. Culverts that have been identified in poor condition show varying degrees of damage caused by corrosion, deformation, perforation, damaged inverts, shape loss, joint separation, undermined backfill, and overall deterioration. If the identified culverts are not repaired or replaced, the highway structure may be compromised, leading to the failure or damage of the roadway. Improving roadway lighting, traffic monitoring, and maintenance access would help reduce exposures to hazardous roadway conditions. The existing traffic data collection stations are outdated, and a changeable message sign will allow for better communication in the corridor.


Estimated Funding Breakdown

Funding Source Funding Amount
Local Not Applicable
State Eligible (To Be Determined)
Federal Eligible (To Be Determined)
Construction Cost $9,652,000



  • Not Applicable


Proposed Project Schedule

Process Date
Final environmental document to be completed November 2022
Right-of-way acquisition to be completed March 2024
Design to be completed April 2024
Advertise July 2024
Construction to begin November 2024
Construction to be completed August 2025


Project Contact

Nicholas Heisdorf, Project Manager
Phone:  (805) 835-6558

Dianna Beck, Senior Environmental Planner
Phone: (805) 459-9406

District 5 Public Information Office
Phone:  (805) 549-3318



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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.