1. Short title This Act may be cited as the Highways Coronavirus Relief Act . 2. Temporary modifications to Federal share payable (a) Definitions In this section: (1) Covered funds The term covered funds means— (A) funds apportioned to a State under section 104 of title 23, United States Code; and (B) funds allocated to Puerto Rico under section 165 of that title. (2) State The term State means any of the 50 States and the District of Columbia. (b) Temporary modification Notwithstanding section 120 of title 23, United States Code, or any other provision of law, except as provided in subsection (f), at the request of a State or Puerto Rico, as applicable, the Federal share applicable with respect to covered funds shall be up to 100 percent for obligations described in subsection (c). (c) Obligations described The obligations referred to in subsection (b) are— (1) obligations that, on the date of enactment of this Act, are existing and unliquidated; or (2) obligations made during the period beginning on the date of enactment of this Act and ending on September 30, 2021. (d) Existing obligations An increased Federal share under this section shall only be applied to an obligation described in subsection (c)(1)— (1) during the period beginning on the date of enactment of this Act and ending on September 30, 2021