Cloverleaf interchanges used to be the most popular type of interchange on American highways. But over the past 30 years, they’ve slowly been disappearing. What happened? Cheddar explains the history - and the future - of cloverleaf interchanges.

Sources:
LA Times
FHWA.dot.gov
Semantic Scholar
Dispatch.com
NJ.com
New York Times
Baltimore Sun
VDOT

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