Sumner Tunnel Centennial Project Signup Please fill out and submit this form if you would like to receive information about the Sumner Tunnel Centennial project. Information and meetings about this project are accessible to people with disabilities and those with limited English proficiency. For accommodation or language assistance requests, please contact MassDOT’s Chief Diversity & Civil Rights Officer by phone at (857) 368-8580 or by email. Additional Information By providing your information, you agree to receive communications from MassDOT/MBTA related to projects and initiatives. The information that you voluntarily submit will be disclosed only to MassDOT/MBTA employees or officials, or those under contract with MassDOT/MBTA, with a “need to know” for purposes of fulfilling their job responsibilities. The information will be used for such purposes as: responding to your questions and/or any requests for information and providing you with additional information on other projects in your area.