I was impressed with the curriculum in that it appears to follow the Driver Handbook to a degree. Considering, in my case, I have to take the written test to renew my license, the course gives me a primer for what no doubt is included on the test. I got a lot out of the course and a couple of the quizes weren't easy either. You really have to pay attention to what you're reading. I also appreciate the name "Traffic Safety Institute". It kind of sounds like a legitimate and credible source. Good course. I may well do the course each year to lend some credibility to myself.