The Central Artery/Tunnel Project in Boston is generally recognized as the largest and most ambitious urban reconstruction project ever undertaken in the United States. The most politically charged of the required mitigation programs is to successfully control construction noise. Toward this end, the importance of the Project’s active interaction and relationship-building with the affected communities cannot be overstated. The CA/T Project’s construction noise control program attempts wherever possible to be proactive to avoid noise complaints. Part of the proactive strategy is to fully inform the affected neighborhoods through regularly scheduled community meetings. These meetings are organized by the Project’s Community Liaison Group, with support from applicable technical staff. All interested parties are encouraged to attend. A statistical analysis has been performed for all noise-related complaints received by the Project for the time period of May 1994 through November 1999. The trends show that the ‘‘rate’’ of noise complaints has remained relatively steady even though construction activities have increased some fourfold over this time period. The good news is that through the lessons learned and precedents set by the CA/T Project, large-scale urban construction projects can be advanced and noise can be successfully mitigated to the extent necessary to satisfy the affected communities