; and (II) is using that grant for the acquisition and installation of publicly accessible electric vehicle charging infrastructure and hydrogen fueling infrastructure. (iii) Limitation on amount The amount of funds used to acquire and install traffic control devices and on-premises signs under clause (i) may not exceed the amount of a contract under subparagraph (A) to acquire and install publicly accessible charging or fueling infrastructure. (iv) No new authority created Nothing in this subparagraph authorizes an eligible entity that receives a grant under this subsection to acquire and install traffic control devices or on-premises signs if the entity is not otherwise authorized to do so. (6) Project requirements (A) In general Notwithstanding any other provision of law, any project funded by a grant under this subsection shall be treated as a project on a Federal-aid highway under this chapter. (B) Signs Any traffic control device or on-premises sign acquired, installed, or operated with a grant under this subsection shall comply with— (i) the Manual on Uniform Traffic Control Devices, if located in the right-of-way; and (ii) other provisions of Federal, State, and local law, as applicable. (7) Federal share The Federal share of the cost of a project carried out with a grant under this subsection shall not exceed 80 percent of the total project cost. (8) Funding There is authorized to be appropriated to carry out this subsection $300,000,000 for each of fiscal years 2019 through 2028. .