Public involvement is a key component of the transportation planning process. To ensure the public's needs and preferences are considered in the planning process, State DOTs and MPOs must document public and stakeholder engagement in transportation planning. State DOTs must document the process for Statewide engagement of the public and interested agencies and organizations. Public involvement should be coordinated with MPOs and RTPOs, when relevant. MPOs prepare Public Participation Plans (PPP), which describe how the MPO involves the public and stakeholder communities in transportation planning.
View the 2025 Northern Middlesex Metropolitan Planning Organization Public Participation Plan (PDF).