The Massachusetts Section 19 Agreement is a legal agreement between the Massachusetts Department of Transportation (Mass DOT) and the Federal Highway Administration (FHA) that serves to ensure compliance with federal environmental laws and regulations when constructing or altering highways and bridges in Massachusetts. This agreement is in place to protect the environment, reduce the impacts of projects on communities, and ensure compliance with applicable state and federal laws. The agreement specifies the roles and responsibilities of Mass DOT, FHA, and other stakeholders involved in the planning, design, construction, and operation of highway and bridge projects in Massachusetts. The agreement is divided into three parts with specific requirements for each, including: 1. General Requirements — This section outlines the general requirements for compliance with federal environmental laws, such as the National Environmental Policy Act (NEPAL), the Clean Air Act (CAA), and the Clean Water Act (CWA). 2. Design Requirements — This section outlines the design requirements of highway and bridge projects, including design standards, safety measures, and environmental protection measures. 3. Construction Requirements — This section outlines the construction requirements of highway and bridge projects, including construction standards, safety measures, and environmental protection measures. The Massachusetts Section 19 Agreement is an important part of the state's highway and bridge development process and ensures compliance with applicable state and federal laws.