05-1J890- Monterey 101 Drainage Improvements Project

The Monterey 101 Drainage Improvements Project, managed by Caltrans District 5 in San Luis Obispo and Santa Barbara, involves comprehensive infrastructure work on US Highway 101 in Monterey County from postmile R28.23 to 100.3. The scope of work includes the installation of two new drainage culverts, the restoration and replacement of 34 existing culverts, and the construction of one retaining wall. Additionally, the project requires the installation of two overhead sign structures, two count stations, two pumping plants, and three new changeable message signs. This forecast project, categorized under NAICS code 237310, was approved by the California Transportation Commission on August 14-15, 2025. Environmental compliance has been addressed through a Mitigated Negative Declaration and Addendum under CEQA, ensuring that mitigation measures and a monitoring plan are in place to prevent significant environmental effects. Primary points of contact for the project include Senior Environmental Scientist Dianna Beck and Associate Deputy Director Cherry Zamora.