Look at the picture. Huang Ka truck turns right, not blue truck. Is it illegal?

According to the information you provided, it is impossible to determine whether Huang Ka trucks and blue brand cars violate the rules. Whether trucks and blue trucks in Huang Ka violate the rules depends on the road conditions, traffic signs, traffic lights and relevant traffic laws and regulations.

If Huang Ka trucks and blue brand cars violate traffic rules when driving, such as not driving in the prescribed lanes, running red lights, speeding, etc. They may be judged illegal. In this case, you may face penalties such as fines, deduction of points or suspension of driver's license.

Therefore, to determine whether the trucks and blue trucks in Huang Ka violate the rules, we must look at the relevant traffic laws and regulations and analyze the road traffic situation at that time. If you are in doubt or not sure whether it is illegal, it is best to consult the local traffic management department or relevant institutions in time.