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LA Metro briefs Carson Public Works on I‑405 Wilmington–Main Street improvements, draft environmental doc due
Summary
LA Metro told the Carson Public Works Commission the draft environmental document for the I‑405 Wilmington–Main Street Improvements will be circulated at the end of July for a 45‑day comment period; Metro described alternatives that include auxiliary lanes and complete‑streets elements, with cost estimates of about $271M (Alt 2) and $75M (Alt 3).
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LA Metro representatives briefed the Carson Public Works Commission on the I‑405 Wilmington‑to‑Main Street Improvements project and said the draft environmental document is expected to circulate at the end of July for a 45‑day comment period, with two in‑person public hearings tentatively scheduled for Aug. 20 and 25 at the Carson Event Center.
"We're here today on behalf of LA Metro to brief you all on the I 405 Wilmington to Main Street Improvements project," said Nicole of Metro, introducing Lourdes Christie, the project's manager. Christie told the commission the project limits run from Wilmington Avenue to Main Street — roughly a three‑mile corridor — and that the environmental phase is funded while design and construction remain contingent on additional approvals and funding. "It is for alternative 2 is 271,000,000. And then, for alternative 3, I believe it's 75,000,000," Christie said when asked for rough cost estimates.
Christie cited collision data from April 2020 through March 2023 showing multiple on‑ and off‑ramps with fatal/injury and total collision rates above the statewide average, and she described two build alternatives that include active‑transportation and complete‑street features as well as a no‑build alternative required by CEQA. Metro staff said the project will advance through joint CEQA and NEPA review and the preferred alternative will be selected after public comment and technical review.
The presentation covered lane‑and‑shoulder widening to meet standards, noncontinuous auxiliary lanes intended to provide merge space, and complete‑street upgrades such as sidewalks, ADA curb ramps and Class 1/2 bike facilities at key cross streets. Metro also described planned traffic‑management technology (ramp metering, signalization and dynamic message signs) and proposed noise‑barriers and landscaping as mitigation measures. Metro staff committed to share scoping materials and technical reports with city staff and to coordinate additional outreach in Carson.
The commission asked Metro to provide the presentation slides and to coordinate further meetings with city departments so that local staff can prepare for the circulation and public hearings. The commission did not take action on the item; Metro confirmed the draft environmental document circulation and the public‑hearing dates as next steps.

