; and (2) the acquisition of sensors and software systems with the ability to provide efficiency gains in airports, including shortening wait times and improving traveler experience through smart signals in parking garages, security lines, or airport commerce. (c) Grants (1) Number The Administrator shall seek to make grants under the Program to not fewer than 5 airports. (2) Amount No grant under the Program may exceed $2,000,000. (d) Priority In making grants under the Program, the Administrator shall prioritize projects that do not collect facial and biometric data of passengers not identified as a security threat. (e) Sunset The authority to make grants under this section shall terminate on September 30, 2029. (f) Authorization of appropriations There is authorized to be appropriated to carry out the Program $5,000,000 for each of fiscal years 2024 through 2029. . (b) Clerical amendment The analysis for chapter 471 of title 49, United States Code, is amended by inserting after the item relating to section 47144 the following new item: 47145. Smart airports pilot program. .