Forty miles per hour may be fine for the frontage roads but not for a street lined with churches and two private schools.
The Speedzapper teamed up with the Wesley Preschool and Daycare on Harlingen's East Austin Avenue.
It was a memorable visit.
Streets of Speed got a close encounter of the speed as one driver put the pedal to the metal.
Buckle up and get ready to take another wild ride in our video clip!