Alameda 880 Washington Ave Ramps Reconstruction

Caltrans proposes to reconstruct the ramps at Washington Avenue for the southbound I-880 by shifting alignment and adding one optional left-turn/right-turn lane to the off-ramp and shifting alignment and widening for truck turning movements for the on-ramp.

Project Details880 Washington Ave Ramps Reconstruction map

Construction Start: Spring 2021
Construction Finish:  Spring 2022
Contractor: Teichert Construction
Project Cost: $4 Million
Project Funding: SB1 SHOPP

Project Limits:

On interstate route 880, in Alameda County in San Leandro at southbound off –ramp from route 880/23 connector to Washington Ave.

Purpose and Need:

Traffic queuing onto the Washington Avenue off-ramp was reported as the primary cause for rear-end accidents at the SB Route 880 / SB Route 238 connector.   The purpose of the project is to improve the operation of the Washington Avenue off-ramp and on-ramp and thereby to reduce the potential for accidents. 

Project Partners:

Caltrans, Alameda County Transportation Authority, and City of San Leandro

Progress To Date

Stage One Construction

Project construction began in April 2021. Caltrans has begun setting Temporary K-Rails, installing temporary lighting.  Excavation will begin Sunday night on 4/25/2021.

Stay Informed

For more information visit 
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For questions during construction, contact the Caltrans Public Information Officer:
Janis Mara at (510) 715-9291 or