School speed zones are used to supplement an existing marked and signed crosswalk or a signalized school crossing. The following criteria is used for determining a street's eligibility for a 25 mph school speed zone:
- An elementary school or school crossing immediately adjacent to an arterial street with a speed limit of 35 mph or higher
- Where there are 50 or more elementary students crossing the arterial street daily.
The operation of the school speed zones shall be limited to the days and times of the current Student Calendar for Public and Parochial Elementary Schools.