Álvaro Caviedes

Álvaro Caviedes is a transit planner and data analyst at Jarrett Walker + Associates. He contributes experience in urban planning, social equity, statistical and spatial analysis, cartography, and research in North and South America.  He is also skilled and programming and automation of large analysis tasks. Álvaro holds a dual master’s degree in Urban Planning […]

Daniel Costantino

  Daniel Costantino is an experienced urban planner with expertise in public transit planning and sustainable development consulting. As a Principal Associate, Daniel works directly with clients on analyzing transit system performance, redesigning transit networks, and managing the public and policy-maker conversations that are integral to the success of transit plans. His clients have included […]

Michelle Poyourow

Michelle Poyourow specializes in managing large network redesigns and facilitating community conversations about transit. Her analysis and planning experience spans issues of bus network design, operations and scheduling; dial-a-ride and rural transit; integrated land use and transit policy; and the design of complete streets for transit and cycling. She has created and conducted many successful […]

Jarrett Walker

Jarrett Walker is an international consultant in public transport planning and policy, including the links between transport and all aspects of community planning and urban structure.  His clients include transport authorities, cities, developers, and non-profits – anyone who wants to make better use of public transport as a tool to support resilient communities, individual liberty, […]

Our Recent News

The years of Covid-19 have been stressful all of us, but we’ve stayed busy, mostly completing bus network redesign plans and starting new ones. We’ve been especially focused on helping agencies deal with the sudden uncertainty caused by the pandemic, and to make plans that show a path to a better network on the other […]

New GRTC Network Improved Job Access for Disadvantaged Populations

On June 18, 2019, Jarrett Walker + Associates released a memo showing that the GRTC Reroute, implemented in the summer of 2018, has increased by 6% the number of jobs that the average resident can reach in 45 minutes increased by 10% the number of jobs that low-income or minority resident can reach in 45 […]

JWA Recent News

It’s been a busy year thus far in 2018 at Jarrett Walker + Associates! We are engaged in major projects in cities across the U.S., Canada, and Europe, and we’re also excited to announce the relocation of our East Coast office to Arlington in the D.C. metro area. This will enable us to more easily […]