Answer
(b)
Work Step by Step
The suggestion to provide public transportation for routes that circle the city in order to encourage driving of personal cars within the city does NOT follow the EPA's principles of smart growth.
Smart growth principles emphasize creating compact, walkable, and transit-friendly communities to reduce car dependency and promote sustainability. Circulating public transportation routes may encourage car usage within the city, rather than supporting alternatives like walking, biking, or efficient public transit, which align better with smart growth objectives.
The answer is (b).