Digest: The Act creates the WESA. (Flesch Readability Score: 71.7). Creates the Westside Express Service Authority. Prescribes duties of the authority. Directs the authority to collaborate with TriMet on the transfer to the authority and directs TriMet to transfer the operation of the Westside Express Service commuter rail line to the authority. [Establishes the Westside Express Service Authority Fund. Directs the authority to use moneys in the fund to support the operation of the Westside Express Service.] Appropriates moneys to the Oregon Department of Administrative Services for distribution to the authority to support the operation of the Westside Express Service. Takes effect on the 91st day following adjournment sine die.