I-80 Gilman Interchange Improvement Project

Overnight Closure of Gilman and Camelia Streets in Berkeley June 20, 21, and 22, 2023

BERKELEY / ALAMEDA COUNTY – Gilman and Camelia Streets will be closed between Fourth Street and Second Street in Berkeley overnight June 20 to accommodate construction on a roundabout that will enhance safety and ease of use of the Interstate 80 Gilman interchange.

Gilman Street will close between Second Street and Fourth Street at 7 p.m. Tuesday, June 20, reopening by noon on Thursday, June 22. Camelia Street will also close at 7 p.m. Tuesday, and will remain permanently closed to pedestrians and all vehicular traffic.

During the closure, there will no pedestrian access through Gilman Street and Camelia Street through Third Street. Sidewalks will remain open on Gilman Street between Fourth Street and Third Street and on Gilman Street and Camelia Street as well as Gilman Street and Camelia Street between Third Street and Second Street.

Detours will be provided for vehicles to use Cedar Street and the Eastshore Highway. Signage will be present to guide motorists. Shuttles will be on site to assist with pedestrian access and will have four stops as follows: Gilman/Fourth, Camelia/Fourth, Gilman/Second, and Camelia/Second.

When Gilman Street reopens at noon Thursday, pedestrian and vehicle access will be restored on that street. Camelia Street will be permanently closed to through traffic on Third Street.

Caltrans is aware of the inconvenience and impacts the closures present to the traveling public and thanks the public for their patience as we work to improve the I-80 Gilman interchange.

The project will enhance safety and improve traffic operations along Gilman Street between West Frontage Road and 5th Street through the I-80 Interchange.

The main project components are two roundabouts at Gilman Street intersections on both sides of I-80, as well as a new bicycle/pedestrian overcrossing over I-80 and bicycle facilities at and near the interchange.  The project will also close the gap in the Bay Trail at the west end of Gilman Street and create a dedicated two-way cycle track along Gilman Street from the interchange to Fourth Street.


I-80 Gilman Interchange Project map

Overview

Caltrans and the Alameda County Transportation Commission (Alameda CTC) in cooperation with the cities of Berkeley and Albany began construction in May 2021 on the Gilman Interchange Improvement Project at the Interstate 80 Gilman Street exit in Berkeley.

The project will enhance safety and improve traffic operations along Gilman Street between West Frontage Road and 5th Street through the I-80 Interchange.  The main project components are two roundabouts at Gilman Street intersections on both sides of I-80, as well as a new bicycle/pedestrian overcrossing over I-80 and bicycle facilities at and near the interchange.  The project will also close the gap in the Bay Trail at the west end of Gilman Street and create a dedicated two-way cycle track along Gilman Street from the interchange to Fourth Street.

Project Purpose

  • Simplify and improve navigation, mobility, and traffic operations on Gilman Street between the West Frontage Road and 5th Street through the I-80 interchange
  • Reduce congestion, vehicle queues, and traffic, bicycle, and pedestrian conflicts
  • Improve local and regional bicycle and pedestrian facilities through the I-80/Gilman Street interchange
  • Enhance safety for drivers, pedestrians, and bicyclists at I-80/Gilman Street interchange

The Gilman Street Interchange Project is being constructed in two separate construction contracts:

1. Gilman Street Pedestrian Overcrossing Project – Phase 1

Project Scope

Construct a bicycle/pedestrian overcrossing south of Gilman Street similar to the crossing over I-80 at University Avenue, began in May 2021. It will involve ramp closures on I-80, street closures and brief overnight closures of I-80 in one direction at a time. Work on this phase is expected to conclude in 2023.

2. Gilman Street Roundabouts Project – Phase 2

Project Scope

The second phase, building a double roundabout, is scheduled to begin in July 2022 and complete in 2024, weather permitting. Periodic closures of Gilman Street, local streets and freeway ramps will be necessary to construct the project. Work on this phase is expected to conclude in 2024.

Available Documents

Environmental Document:
Initial Study with Negative Declaration / Environmental Assessment with Finding of No Significant Impact

Traffic Advisories 

Update: Gilman Street to Close Between Second and Fourth Streets in Berkeley Mid- to Late April through Mid- to Late June 2023

12-Hour Overnight Closure of Gilman Street at the I-80 Gilman Interchange in Berkeley November 11-12, 2022

 

Links

 Alameda County Transportation Commission – Gilman St Interchange Improvement Project Page

Contact

For additional information, contact Public Information Officer Janis Mara at Janis.Mara@dot.ca.gov.