Skip Navigation
Michigan Department of TransportationVisit www.michigan.gov!
Michigan.gov Home MDOT Home |  Site Map |  Contact MDOT |  FAQ |  State Web Sites
close print view
FAQ
  Traffic Signals
  What does a flashing yellow left-arrow signal mean?
  What is the law on mobile infrared transmitters (MIRT) that can change traffic signal lights?
  Who do I call when a signal is not working?
  Who do I talk to about getting a traffic signal for an intersection?
  How is a traffic signal request evaluated? Why not just install a signal when citizens ask?
  Why does a traffic signal study take so long?
  Where can I get information about Traffic Signals?
  How big are traffic signals? How many lightbulbs do they require?
  Where can I obtain a program to calculate Signal Spans and Stem Length (Usable Sag)?

FAQ Categories
 •  About MDOT
 •  Auctions
 •  Winter Maintenance FAQs
 •  Bids & Contracts
 •  Bagley Avenue Pedestrian Bridge Art
 •  Bridges
 •  Bridge Operations
 •  Construction
 •  Construction Permits
 •  Construction Field Services
 •  Courtesy Patrol
 •  Driver Information
 •  Freedom of Information Act
 •  Highway Advertising Signs
 •  Highway Maintenance
 •  Local Agency Programs
 •  Logo Signs & Tourist-Oriented Signs
 •  Mackinac Bridge
 •  MiRLAP
 •  Noise Abatement
 •  Political Signs
 •  Potholes
 •  Rail Safety
 •  Rideshare
 •  Roads
 •  Safety Programs
 •  Traffic Signals
 •  Traffic Signs & Delineation
 •  Traffic & Safety
 •  Work Zone Speeds
QR code

Michigan.gov Home |  MDOT Home |  Site Map |  FAQ |  State Web Sites |  Office of Regulatory Reinvention |  Spending & Accountability
Privacy Policy |  Link Policy |  Accessibility Policy |  Security Policy | Michigan News | Michigan.gov Survey


Copyright © 2001-2013 State of Michigan