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Overview

The I-105 corridor experiences heavy demand during peak commute hours that exceeds its capacity. As a result, Metro and the California Department of Transportation (Caltrans) are preparing engineering studies and an Environmental Document to study the possible implementation of ExpressLanes along I-105 between I-405 and I-605. The project will also study the I-105 west of the I-405 to Sepulveda Bl and east of the I-605 to Studebaker Rd to identify potential signage locations and access points into the ExpressLanes.

This corridor traverses the cities of El Segundo, Inglewood, Hawthorne, Los Angeles, Lynwood, South Gate, Paramount, Downey, Norwalk, and unincorporated areas of Los Angeles County.

Background

In 2015, Caltrans completed a Project Study Report/ Project Development Support (PSR/PDS) for the I-105 corridor to assess potential improvements. The PSR/PDS identified four alternatives including a no build, conversion of the existing High Occupancy Vehicle (HOV) lane into ExpressLanes, and the addition of a second ExpressLane in each direction.

In January 2017, the ExpressLanes Strategic Plan was presented to the Metro Board. The Strategic Plan identified three tiers of ExpressLanes projects, with Tier 1 projects showing the highest potential benefits. Tier 1 projects include the I-105, sections of the I-405 and I-605, and extensions of the existing I-10 and I-110 ExpressLanes. The PSR/PDS and ExpressLanes Strategic Plan can be found in the Reports tab.

Next, Metro and Caltrans began the preparation of the Environmental Impact Report/Environmental Assessment to evaluate the environmental effects of this project pursuant to the California Environmental Quality Act (CEQA) and the National Environmental Policy Act (NEPA). As part of this effort, Metro hosted public scoping meetings along the corridor in March 2018 to get input from the community on the proposed alternatives and project. Formal public comments were accepted during the scoping period. Access the meeting materials here.

Metro will continue providing opportunities for the public’s involvement through community meetings and attendance at various community events. Metro encourages the community to stay involved and sign-up to receive project updates.The I-105 ExpressLanes are included in Measure M, the local sales tax passed by Los Angeles County voters in 2016. Measure M provides $175 million for this project.

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