To promote traffic safety, the DMV's Driver Improvement Program:

If you have been convicted of multiple traffic offenses and/or preventable traffic accidents over a certain period of time, you may be subject to the Driver Improvement Program. Among other penalties, drivers age 18 and older will receive a 30-day license suspension if they have four convictions and/or accidents in a 24-month period. Drivers under the age of 18 will receive a 90-day restriction if they have two convictions and/or accidents, and a six-month suspension if they have a third.
DMV Writen Test