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Sandra Clarey

Project Manager

617.556.0020 x.2011

Sandra M. (Brock) Clarey, Project Manager, has over 14 years of experience in multimodal transportation planning in the U.S., Ireland, and Australia. Ms. Clarey specializes in transit planning and design, primarily for bus operations, but her background in traffic and transportation planning gives her an edge on projects where improvements for all modes is being considered and a holistic approach is required. Since joining McMahon she has guided the planning, design and construction of several bus routes for transit agency, municipal and private sector clients. Several of these projects have involved extensive community engagement and inter-agency coordination. In her prior role as Senior Transportation Planner/ Analyst at the Massachusetts Bay Transportation Authority (MBTA), she was responsible for evaluating and scheduling bus and ferry services, and responding to public comment on transit route operations and requests for data. She worked closely with the public, government agencies, elected officials, consultants as well as other MBTA departments. Ms. Clarey also updated and maintained systemwide ridership and service statistics, conducted ridership surveys, and planned and designed wayfinding and information signage. Ms. Clarey was selected by Mass Transit as a 2017 Top 40 Under 40 honoree for her contributions to the industry, capacity for innovation, demonstrated leadership and commitment to making an impact in public transportation and is a New England Passenger Transportation Association Board Member.


The Last Mile: Bicycle & Pedestrian Connections to Transit, Southern New England American Planners Association Conference, 2018
Designing Transit to Support Active Transportation, and Vice Versa, Association of Pedestrian and Bicycle Professionals Webinar, 2017
Bus Stop Planning 101, Southern New England American Planners Association Conference, 2017
Leveraging Transit Investment to Implement Complete Streets: A Win-Win for Cities and Towns, Grow Smart Rhode Island, 2016
Bus Stops Accessible for All, Pennsylvania Public Transportation Association Spring Conference, 2016
Bicycles Count in Cambridge, New England Bike-Walk Summit, 2015