Niles Canyon Safety Improvements Project

7 Documents in Project


SCH Number
Lead Agency
California Department of Transportation, District 4
Document Title
Niles Canyon Safety Improvements Project
Document Type
NOP - Notice of Preparation

Document Description
Caltrans proposes to construct multiple safety improvements at specific site locations along the SR 84 corridor between SR 238 (Mission Blvd) and the SR 84/I-680 Separation. The project alternative developed to meet the purpose and need of the project is the Build Alternative. Improvements of the Build Alternative include fixed object removal and relocation, the installation of rock drapery systems, limited shoulder widening, widening and barrier replacement on Alameda Creek Bridge and Overhead, and the signalization of the Pleasanton-Sunol Road / SR 84 intersection.

Contact Information
Jamie Le Dent
California Department of Transportation, District 4
Lead/Public Agency
111 Grand Avenue MS 8B
Oakland, CA 94612

Phone : (510) 622-8729


Cross Streets
Mission Boulevard (SR 238) and I-680
State Highways
SR 84 and I-680
Niles Canyon Railway
Sunol Glen ES
Alameda Creek

Notice of Completion

Review Period Start
Review Period End
Development Type
Transportation:Other (Safety Improvements)
Project Issues
Aesthetics Biological Resources Cultural Resources Cumulative Effects Flood Plain/Flooding Geology/Soils Hazards & Hazardous Materials Hydrology/Water Quality Land Use/Planning Public Services Transportation Vegetation Wetland/Riparian
Reviewing Agencies
California Air Resources Board (ARB) California Department of Fish and Wildlife, Bay Delta Region 3 (CDFW) California Department of Parks and Recreation California Highway Patrol California Native American Heritage Commission (NAHC) California Public Utilities Commission (CPUC) California Regional Water Quality Control Board, San Francisco Bay Region 2 (RWQCB) Department of Water Resources Resources Agency

Disclaimer: The document was originally posted before CEQAnet had the capability to host attachments for the public. To obtain the original attachments for this document, please contact the lead agency at the contact information listed above. You may also contact the OPR via email at or via phone at (916) 445-0613.

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