This page contains technical and legislative reports, as well as legislation related to the SR 520 corridor. The documents are listed in reverse chronological order (newest first) by type.
Environmental reports, such as Environmental Impact Statements and many draft design reports, can be found in the Environmental Documents section of the Resource Library.
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Miscellaneous design and other reports
Catastrophic Failure Plan
Community Construction Management Plans
Legislation related to the SR 520 corridor