A driver who has been convicted of three traffic offenses that caused accidents over the course of three years:

The Three Crashes in Three Years Law requires drivers who have been convicted of three traffic incidents that have caused accidents over the course of 36 months to enroll in and complete an approved driver improvement course. The driver must also complete behind-the-wheel training from a commercial driving school and pass an extended driving test. The requirements must be met within 90 days or the driver's license will be canceled.
DMV Writen Test