TDA Factsheet


In 1971, a small group of Wisconsin transportation leaders founded TDA to advance the development of an efficient, effective, and safe transportation system throughout the state. Their efforts drew the increasingly strong support of businesses, individuals, communities, and organizations involved in every mode of transportation. TDA grew in size, respect, and influence.

Today, TDA is a prime Wisconsin resource for clear analysis of transportation finance and policy and is a crucial participant in Wisconsin’s transportation planning process. TDA serves more than 400 members and stakeholders and is recognized for nonpartisan expertise, advocacy, and leadership on transportation issues.


The Transportation Development Association of Wisconsin is a nonprofit, nonpartisan organization devoted to promoting the interest and vitality of the state’s multi-modal transportation system.


The Transportation Development Association of Wisconsin is a statewide alliance of 400-plus transportation stakeholders committed to advancing the best in transportation. TDA members include businesses, labor unions, citizen groups, units of government, and individuals. All share one important goal: the development and maintenance of a safe, modern, interconnected transportation network that will support a robust economy and enhance the quality of life for everyone in Wisconsin.

TDA serves as a strong and unified voice for Wisconsin’s entire transportation system, providing vision and leadership on critical transportation issues. TDA helps inform legislators, policymakers, and the public about the vital role transportation plays in supporting businesses and communities throughout Wisconsin. TDA presents objective, straightforward, and timely information on transportation matters affecting Wisconsin.

TDA holds public forums, participates in grassroots alliances, and responds to media inquiries with useful content that is detailed and credible. TDA meets regularly with civic organizations and business groups throughout Wisconsin to talk about transportation issues.