The main purpose of this legislation is to enhance transparency regarding the construction of the border wall in the United States. It aims to create a publicly accessible web page on the Department of Homeland Security's website where individuals can see real-time updates and progress on border wall construction. The key provision of this legislation is the requirement for the Secretary of Homeland Security to set up and maintain a dedicated web page. This page will allow the public to view information about ongoing border wall projects, including their status and progress.