INTERSTATE 880/STATE ROUTE 92 INTERCHANGE RECONSTRUCTION PROJECT : FINAL ENVIRONMENTAL IMPACT STATEMENT/ENVIRONMENTAL IMPACT REPORT : VOLUME 1

This document is Volume 1 of three volumes of the Final Environmental Impact Statement (NEPA) and Final Environmental Impact Report CEQA) for the Interstate 880/State Route 92 Interchange Reconstruction Project in the San Francisco Bay Area. The I-880/Route 92 interchange is at the junction of two of the most heavily congested routes in the Bay Area. The existing configuration of the interchange is unable to efficiently handle the traffic volumes. Weaving and merging conflicts on Route 92 between the loop connectors and on the collector- distributor segments of Interstate 880 cause queues and exacerbate congestion on I-880 and Route 92. Traffic studies have projected continuing deterioration of traffic operations at the interchange in 2025 as a result of growth in population and employment as well as improvements upstream and downstream of the project limits. The California Department of Transportation (Caltrans), the Federal Highway Administration (FHWA), the Bay Area Toll Authority (BATA), and the Alameda County Transportation Improvement Authority (ACTIA) propose to replace the existing, four-quadrant, cloverleaf I-880/Route 92 Interchange (IC) with a new interchange. The proposed project has four purposes: 1) relieve some of the peak period traffic congestion through the Interstate 880/State Route 92 interchange; 2) provide additional storage capacity to meet projected traffic needs; 3) eliminate some of the causes of merging and weaving accidents within the interchange; and, 4) relieve congestion on local arterials and streets that are used as alternate routes when I-880 and Route 92 are congested.

  • Record URL:
  • Supplemental Notes:
    • Publication Date: December 2003. California Department of Transportation, Sacramento CA. Format: website
  • Corporate Authors:

    California Department of Transportation

    District 4, 111 Grand Avenue
    Oakland, CA  United States  94612-3006
  • Publication Date: 2003

Subject/Index Terms

Filing Info

  • Accession Number: 01001607
  • Record Type: Publication
  • Source Agency: UC Berkeley Transportation Library
  • Report/Paper Numbers: FHWA-CA-EIS-95-2-F
  • Files: CALTRANS, STATEDOT
  • Created Date: Jul 7 2005 12:00AM