(1) For the purposes of chapter 498, Laws of 2009, chapter 377, Laws of 2011, and chapter 421, Laws of 2019, "toll revenue" means all toll receipts, all interest income derived from the investment of toll receipts, and any gifts, grants, or other funds received for the benefit of transportation facilities in the state, including eligible toll facilities. However, for the purpose of any pledge of toll revenue to the payment of particular bonds issued under chapter 498, Laws of 2009, chapter 377, Laws of 2011, and chapter 421, Laws of 2019, "toll revenue" means and includes only such toll revenue or portion thereof that is pledged to the payment of those bonds in the resolution authorizing the issuance of such bonds. Toll revenue constitutes "fees and revenues derived from the ownership or operation of any undertaking, facility, or project" as that phrase is used in Article VIII, section 1(c)(1) of the state Constitution.
(2) For the purposes of chapter 498, Laws of 2009, chapter 377, Laws of 2011, and chapter 421, Laws of 2019, "tolling authority" has the same meaning as in RCW
47.56.810.