American commercial streets are typically designed to encourage rapid automobile traffic, thus making streets unsafe for pedestrians. In the 2016 case of Turturro v. City of New York, the New York Court of Appeals upheld a jury verdict against a city for failing to slow down such traffic. This article describes Turturro, but shows how limited its holding was: the Turturro court emphasized a city's failure to study traffic calming, so if a city studies its options adequately it can avoid liability even if its policies are unsuccessful.