Opinions count at SEMCOG

SEMCOG encourages informed and productive participation in issues affecting the public. View SEMCOG's Public Participation Plan (revised 2011) and video – Citizen's Guide to Transportation Planning in Southeast Michigan.

You are also welcome to comment at any time on issues that involve SEMCOG. There are four ways to comment:

By mail

1001 Woodward Avenue, Suite 1400, Detroit, MI 48226-1904,
Attention: Public Comment

By phone

(313) 961-4266 or (800) 961-3334

By e-mail


By fax

(313) 961-4869

Developing Regional Solutions
SEMCOG is a regional planning partnership of governmental units serving 4.7 million people in the seven-county region of Southeast Michigan striving to enhance the region's quality of life.