Skip to main content
Road Commission for Oakland County (RCOC)

RCOC Fleet Management Program

Go Search
RCOC Home
Home
  
RCOC Fleet Management Program > Pages > Region_Facts  

Web Part Page Title Bar image
Region_Facts

 Region Facts

  • The three-county area served by SEMSIM includes more than 15,000 miles of public roads
  • The four SEMSIM partner agencies have a collective winter maintenance fleet of more than 500 vehicles
  • The population of the three counties, including the City of Detroit, is approximately 4.2 million
  • This represents 40 percent of the state’s population
  • There are more than 3.4 million vehicles registered in the three counties
  • In 1997, these three counties, including the City of Detroit, accounted for nearly 3.4 billion vehicle miles traveled
  • The SEMSIM region has the busiest freeways, roads and streets in the state