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South Coast AQMD Report on California High-Speed Rail Agreement May 2026

Framework Agreement for LA–Anaheim Rail Emissions Mitigation

Approximately $36.3 million could be needed (preliminary estimate)South Coast Air Quality Management DistrictCALIFORNIA HIGH-SPEED RAIL AUTHORITYMay 1, 2026

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Description

South Coast AQMD is authorizing execution of an agreement with the California High-Speed Rail Authority to establish a framework for a future contract that will fund emission reduction projects to offset construction emissions from the Los Angeles to Anaheim high-speed rail segment. Staff estimate that about $36.3 million in Authority funding could be needed to fully mitigate NOx emissions exceeding federal General Conformity thresholds and cover AQMD administrative costs over the anticipated construction period.

Contract Details

Contract Amount

Approximately $36.3 million could be needed (preliminary estimate)

Vendor

CALIFORNIA HIGH-SPEED RAIL AUTHORITY

Agency

South Coast Air Quality Management District, CA

Contract Type

OTHER

Document Date

May 1, 2026

Contract Term

To be defined in future contractual agreement closer to start of construction; construction currently assumed 2031–2037 with NOx exceedances estimated for 2032–2034

Renewal Info

This is an initial framework letter agreement leading to a future, separate contractual agreement prior to construction; it does not amend prior 2021 and 2024 agreements for other HSR sections and includes a commitment to later execute a contract to offset all remaining construction emissions exceeding de minimis levels via AQMD programs.

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