; and (ii) by striking subparagraph (E); and (C) in paragraph (4)(A)— (i) by striking $2,000,000 and inserting $3,000,000 ; (ii) by striking $1,000,000 and inserting $1,500,000 ; and (iii) by striking 20 and inserting 30 . 204. Resilient Transportation Infrastructure Centers of Excellence (a) In general Sub chapter 1 of title 49, United States Code, is amended by adding at the end the following: 5506. Resilient Transportation Infrastructure Centers of Excellence (a) Centers of excellence The Secretary shall award grants to establish Centers of Excellence to advance research and development that improves the resilience of regions of the United States to natural disasters, extreme weather, and the effects of climate change on modal and multimodal transportation and infrastructure. (b) Activities In carrying out this section, the Secretary shall ensure the Centers promote resilient infrastructure through— (1) development of new design, operations, and maintenance standards that incorporate existing and anticipated impacts of natural disasters, extreme weather, and climate change; (2) development and integration of new materials and technologies into existing and future modal and multimodal transportation infrastructure; (3) workforce development and training