Episode description
It takes millions of giant green placards to make America navigable. Where do they come from — and who pays the bill? Zachary Crockett takes the exit.
- SOURCES:
- Lee Blackman, general manager at Correction Enterprises.
- Gene Hawkins, senior principal engineer at Kittelson and professor emeritus of civil engineering at Texas A&M University.
- Renee Roach, state signing and delineation engineer for the North Carolina Department of Transportation.
- RESOURCES:
- "Manual on Uniform Traffic Control Devices for Streets and Highways, 11th Edition," by the U.S. Department of Transportation Federal Highway Administration (2023).
- "Who Picks the Businesses on Highway Exit Signs?" by Janet Nguyen (Marketplace, 2022).
- "The Road to Clarity," by Joshua Yaffa (The New York Times Magazine, 2007).
- EXTRAS:
- "Do People Pay Attention to Signs?" by No Stupid Questions (2022).