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Trivia Questions

  1. Approximately how many lane miles of highway are maintained by the Indiana Department of Transportation (INDOT)?
    • INDOT is responsible for about 11,300 centerline miles and 28,500 total lane miles.

  2. How many INDOT Districts and Subdistricts are there?
    • INDOT has seven Districts and 33 Subdistricts.

  3. When was INDOT's predecessor agency, the Indiana State Highway Commission established?
    • The Indiana Legislature created the Indiana State Highway Commission in 1919.

  4. When did the Indiana Department of Highways (IDOH) become the Indiana Department of Transportation (INDOT)?
    • IDOH was absorbed into the Indiana Department of Transportation in 1989.

  5. How many public access airports does INDOT regulate?
    • INDOT regulates 117 public access airports and 564 private access airports.

  6. How many rail miles are under INDOT's jurisdiction?
    • INDOT regulates approximately 4500 rail miles across the state.

  7. How many bridges are on the State highway system?
    • INDOT is responsible for maintaining 5,617 bridges across Indiana.

  8. How many miles of interstate highways are there in Indiana?
    • Indiana has 14 interstate highways; they are: I-64, I-65, I-69, I-70, I-74, I-80, I- 90, I-94, I-164, I-265, I-275, I-465, I-469 and I-865.

  9. Which highway in the state of Indiana is the longest?
    • U.S. 231 is the longest Indiana roadway. It spans the entire length of the state and crosses 14 counties.

  10. How many people does INDOT employ statewide?
    • INDOT employs approximately 5000 people statewide.

  11. How many miles long is the Indiana Toll Road?
    • The Indiana East-West Toll Road crosses the northern edge of Indiana and is 157 miles long.

  12. What is INDOT's primary source for funding?
    • INDOT's primary source of funding is motor fuel taxes. Fifteen cents per gallon of gasoline and 16 cents per gallon of diesel fuel go toward state roads.

  13. When was I-465 completed?
    • Construction of I-465 occurred between 1959 and 1970. The first section opened in 1961 and the final section opened in 1970.

  14. What was the first interstate built in Indiana?
    • The first section of State Road 420, which later became I-80/94 opened in 1952. I-74 was the first interstate to cross Indiana. The first section opened in 1960 and the final section opened in 1967.

  15. What is the name of the manual that details the conditions that must exist for the placement of traffic signals or other traffic controls?
    • The Indiana Manual on Uniform Traffic Control Devices details the 'warrants' for traffic control devices.

  16. When was the Toll Road established?
    • The Indiana East-West Toll Road was established in 1951 and constructed between 1954 and 1956. The Legislature assigned responsibility for operation of the Toll Road to the Indiana Department of Highways in 1981.

  17. In what year was construction of the final sections of I-65 and I-70 in Indiana completed?
    • Indiana completed the final sections of both I-65 and I-70 in downtown Indianapolis in 1976.

  18. In what year was the funding mechanism for the National System of Interstate and Defense Highways created?
    • Congress created The Highway Trust Fund in 1956 as a continuing source of funding to support the National System of Interstate and Defense Highways.