; (C) to examine the potential for the Secretary to assist State departments of transportation in carrying out and communicating stormwater management practices for highways and pedestrian facilities that are eligible for assistance under title 23, United States Code, through information-sharing agreements, database assistance, or an administrative platform to provide the information described in subparagraphs (A) and (B) to entities issued permits under the Federal Water Pollution Control Act ( 33 U.S.C. 1251 et seq.); and (D) to examine the benefit of concentrating stormwater retrofits in impaired watersheds and selecting such retrofits according to a process that depends on a watershed management plan developed in accordance with section 319 of the Federal Water Pollution Control Act ( 33 U.S.C. 1329 ). (2) Requirements In conducting the study under the agreement entered into pursuant to paragraph (1), the Transportation Research Board shall— (A) review and supplement, as appropriate, the methodologies examined and recommended in the 2019 report of the National Academies of Sciences, Engineering, and Medicine titled Approaches for Determining and Complying with TMDL Requirements Related to Roadway Stormwater Runoff ; (B) consult with— (i) the Secretary of Transportation; (ii) the Administrator; (iii) the Secretary of the Army, acting through the Chief of Engineers; and (iv) State departments of Transportation; and (C) solicit input from— (i) stakeholders with experience in implementing stormwater management practices for projects