do I need a appointment to renew commercial drivers licsence

I just went but I didn't need a appointment

Yes. Best way is to make a profile on dds2go and do it online. I needed a replacement and gave myself a headache trying to get an appt. I did it online. Replacement on the way.

Yes, it will make the process, faster.. Make sure you fill out step 1 and step 2 registration online registration

Yes