Final answer:
Violating instructions, signals, warnings, or markings of a warning sign or driving around a barricade can have serious consequences.
Step-by-step explanation:
When there is a violation of the instructions, signals, warnings, or markings of a warning sign, or driving around a barricade, it can lead to dangerous situations and consequences. These violations can result in accidents, injuries, and even loss of life. Safety measures such as warning signs and barricades are put in place to protect drivers and pedestrians, so it is important to follow them to maintain road safety.