U.S. Annual Traffic-Jam Hours Estimation

Q: U.S. Annual Traffic-Jam Hours Estimation

This question evaluates quantitative estimation, structured problem-solving, and the ability to define measurable metrics and assumptions for aggregate calculations like total traffic delay.

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Question

Estimation Prompt: Annual Hours Lost to Traffic in the U.S.

Estimate the total number of hours that drivers in the United States collectively spend stuck in traffic each year.

Provide:

Clear definition of “stuck in traffic” (e.g., delay relative to free-flow conditions).
Stated assumptions and any data splits (e.g., urban vs. rural, metro size).
Key data points you use or estimate.
An end-to-end calculation and a brief sanity check.

U.S. Annual Traffic-Jam Hours Estimation

Estimation Prompt: Annual Hours Lost to Traffic in the U.S.

Solution

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