Interstate Numbering System Concepts

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 roles of Interstate Minors and Mediums, and highlights exceptions and unique cases. The video emphasizes the historical significance of these highways as navigational tools, akin to celestial navigation, while acknowledging the practical use of GPS today.

What is the primary characteristic of east-west interstate majors?

• They end in five.

• They are single-digit numbers.

• They are named after cities.

• They end in zero.

Why were Interstates 50 and 60 skipped in the numbering system?

• To avoid confusion with US Routes 50 and 60.

• They were too short to be considered major interstates.

• They were reserved for future use.

• They were considered unlucky numbers.

Which interstate runs from Maine to Miami, Florida?

• I-5

• I-95

• I-75

• I-85

What is unique about I-45?

• It is an intrastate major interstate.

• It is the longest interstate.

• It is the only interstate with a letter in its name.

• It connects three states.

What does an odd first digit in an interstate minor indicate?

• It is a spur.

• It is a beltway.

• It is a bypass.

• It will connect back to its parent major.

What is the numbering pattern for interstate mediums?

• They are all three-digit numbers.

• They end in zero.

• They follow the same pattern as majors.

• They are named after states.

Why are there duplicate interstate medium numbers?

• To honor historical routes.

• To accommodate future expansions.

• To prevent mind muddling by keeping duplicates far apart.

• To avoid confusion with state highways.

What is the issue with I-99?

• It has no exits.

• It is the longest interstate.

• It was numbered out of order by Congress.

• It is not a real interstate.

What is unusual about Interstate 238?

• It is the longest interstate.

• It is a one-way spur with no parent major.

• It connects to I-38.

• It is located in Alaska.

What is the smallest interstate in America?

• I-95

• I-878

• I-238

• I-99