The letter expresses dissatisfaction with the public participation process for the 710 Tunnel Geotechnical Feasibility Study. It urges the MTA to cooperate with the No 710 Action Committee, comprised of community stakeholders, to develop an open public participation plan for upcoming studies. The letter notes that the committee members have expertise in relevant issues and decades of involvement in 710 issues. It critiques past public meetings as frustrating and unresponsive. The letter urges proactive engagement with all stakeholders throughout the environmental review process.