Transit Systems

• DDOT - Detroit Department of Transportation - city bus service
• SMART - Suburban Mobility Authority for Regional Transportation - suburban bus service
• The Detroit People Mover - downtown elevated automated guideway loop
• Amtrak - national passenger rail service - Michigan Services
• AATA - Ann Arbor Transportation Authority - Ann Arbor/Ypsilanti bus service
• Michigan Transit systems list at APTA
• University of Michigan Parking and Transportation Services - campus bus system at University of Michigan Ann Arbor

Local Government

• Michigan Department of Transportation - state transportation
• SEMCOG - Southeast Michigan Council of Governments - regional planning authority
• Detroit Regional Chamber
• Michigan Suburbs Alliance
• Washtenaw Area Transportation Study (WATS)

Michigan Transit Advocacy

• MARP - Michigan Association of Railroad Passengers
• Michigan Land Use Institute (MLUI)
• Detroit Rising - Transportation Links
• MOSES - Transportation Campaign 

Detroit Links

• Michigan Land Use Leadership Council
• Detroit Synergy
• ACCESS
• Sugar Law Center
• DetroitYes
• Detroit Transit History
• Pure Detroit
• Foxtown Tiger Trains
• DSR and Detroit Transit History at Detroit1701

• NARP - National Association of Railroad Passengers
• APTA - American Public Transportation Association
• Light Rail Now
• Surface Transportation Policy Project
• Dallas Area Rapid Transit

Other Transportation Links

• Miami Beach's Alliance for Reliable Transport (ART)

• Clean Water Action
• East Michigan Environmental Action Council
• Ecology Center
• Friends of the Rouge
• Alliance for the Great Lakes
• Michigan Environmental Council
• Michigan Land Use Institute
• League of Conservation Voters
• Michigan Sierra Club
• PIRGIM
• Rails To Trails
• West Michigan Environmental Action Council
• Society for Environmental Journalists
• Environmental Law and Policy Center

• PhilToons
• Shirinking Cities