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FAQ
  Roads
  How long does it take to build a new road?
  Why doesn’t Michigan have toll roads?
  Why is it that some roads which have been resurfaced last only a year or two before they start to break up again? Isn't this a waste of taxpayer dollars?
  Why do the speed limits vary on different parts of the freeway system?
  What’s the difference between highways that carry the letters “US,” “I” and “M”?
  How many miles of road does Michigan have?
  Who do I contact for general questions about Michigan's Heritage Route Program's nomination and designation process? How can I obtain the application forms for nominating Heritage Routes?
  Who can I talk to about trucks speeding or tailgating, or other truck safety issues?
  I have heard that Michigan truck weight laws are the most liberal in the nation. Is this true?
  Who is responsible for plowing snow on state highways?
  I have seen big symbols (X, +, V, T) painted along state trunklines. What are these symbols, and what are they used for?

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