Interstate Highway Numbering Patterns

The video explores the history and structure of the U.S. Interstate Highway System, focusing on the major east-west and north-south routes, known as Interstate Majors. It explains the numbering system, including the distinction between Majors, Minors, and Mediums, and highlights exceptions and unique cases. The video emphasizes the historical significance of these routes and their role in navigation before modern GPS technology.

What historical method of navigation is compared to using interstate highway shields?

• Navigating by the stars

• Reading ancient maps

• Using a compass

• Following animal tracks

Which Interstate Major runs from Seattle to Boston?

• I-90

• I-60

• I-70

• I-80

What is the numbering pattern for East-West Interstate Majors?

• Odd numbers ending in five

• Even numbers ending in zero

• Odd numbers ending in zero

• Even numbers ending in five

Which Interstate Major is the longest North-South route?

• I-95

• I-85

• I-75

• I-65

What is unique about I-45?

• It is the longest interstate

• It is an intrastate major

• It crosses the most states

• It has the most spurs

What indicates that an Interstate Minor will reconnect to its parent Major?

• It ends with a zero

• It starts with an even number

• It ends with a five

• It starts with an odd number

What is the numbering pattern for Interstate Mediums?

• Three digits with a leading zero

• Two digits, odds for East-West, evens for North-South

• Three digits, evens for North-South, odds for East-West

• Two digits, evens for East-West, odds for North-South

Which Interstate is known for having duplicate numbers in different regions?

• I-95

• I-76

• I-35

• I-69

What is the issue with the numbering of I-99?

• It is not a real interstate

• It was chosen out of order by Congress

• It is the longest interstate

• It has no spurs

What is the smallest interstate in America?

• I-45

• I-238

• I-878

• I-99