What we do
There are more than 4,400 miles of roads in Macomb County that connect people, communities and commerce. The Macomb County Department of Roads (MCDR) is responsible for the maintenance and management of more than 1,700 miles of roadway, 225 bridges, 500 culverts, 900 traffic signals, including advanced traffic signal systems, 300 traffic cameras, and 60,000 signs.
From maintaining critical infrastructure, engineering and building the roads of tomorrow, to monitoring real-time traffic flow, signal operations, and managing emergency responses, Macomb County is leading the way in transportation technology and infrastructure innovation.
The Macomb County Department of Roads is dedicated to providing the public with a quality county road system, with a focus on safety and convenience for motorists and the community, environmental responsibility, and financial accountability.
The Macomb County Department of Roads is committed to improving Macomb County's road and bridge system by effectively delivering quality road and bridge products, services, and information.