People v. Kenney

Detroit policemen operating a “speedwatch” issued a traffic ticket to defendant charging him with speeding 40 miles an hour in a 30-mile zone on February 14, 1956.

The speed of the defendant’s motor vehicle was determined by the use of a speedwatch. It is to be noted that the defendant is a driver of a Detroit department of street railways bus, and the arresting officers were connected with the Detroit police department. No evidence was offered on behalf of the defendant with reference to the accuracy of the speedwatch. Very little cross-examination was carried on by defendant’s attorney. This…