; (2) the impact of transportation demand management strategies on existing multimodal options to and from airports in the United States; and (3) best practices for developing transportation demand management strategies that can be used to improve access to airports for passengers and airport and airline personnel. (c) Report Upon completion of the study conducted under subsection (a), the Comptroller General shall submit to the appropriate committees of Congress a report on such study. (d) Transportation demand management strategy defined In this section, the term transportation demand management strategy means the use of planning, programs, policy, marketing, communications, incentives, pricing, data, and technology to optimize travel modes, routes used, departure times, and number of trips. 737. Coastal airports assessment (a) In general Not later than 2 years after the date of enactment of this Act, the Administrator, in coordination with the Chief of Engineers and Commanding General of the United States Army Corps of Engineers, and the Administrator of the National Oceanic and Atmospheric Administration, shall initiate an assessment on the resiliency of airports in coastal or flood-prone areas of the United States. (b) Contents The assessment required under subsection (a) shall— (1) examine the impact of hazardous weather and other environmental factors that pose risks to airports in coastal or flood-prone areas; and (2) identify and evaluate initiatives and best practices to prevent and mitigate the impacts of factors described in paragraph (1) on airports in coastal or flood-prone areas. (c) Report Upon completion of the assessment, the Administrator shall submit to the appropriate committees of Congress and the Committee on Science, Space, and Technology of the House of Representatives a report on— (1) the results of the assessment required under subsection (a)