• AASHTO - Report on Long Term Financing Needs for Surface Transportation
• Building Roads to Reduce Traffic Congestion in America's Cities: How Much and at What Cost?
• Financial Audit Including the Provisions of the Single Audit Act of the Michigan Department of Transportation - October 1, 2004 through September 30, 2006
• House Fiscal Agency - Amtrak Service in Michigan and State Operating Subsidy
• House Fiscal Agency - Comprehensive Transportation Fund Revenue Issues
• MDOT Long Range Plan - Intercity Passenger Technical Report
• MDOT Long Range Plan - Non-Motorized Technical Report
• MDOT Long Range Plan - Revenue Gap and Investment Packages Report
• MDOT Long Range Plan - Transit Technical Report
• TRIP - Paying the Price for Inadequate Roads in Michigan
• TTI - 2007 Urban Mobility Report
• Transportation Research Board - Research to Enhance Rail Network Performance