Do provincial roads need warning signs to set up checkpoints during the epidemic?

Warning signs are needed to set up checkpoints on provincial roads during the epidemic. In order to remind passers-by and traffic. Warning signs are needed. Traffic signs and warning signs with reflective function, such as slowing down and walking slowly, must be set on the road bayonet with temperature detection station as required, and warning belts such as traffic safety warning belts, reflective belts and guardrail belts should be installed to remind the majority of car owners and pedestrians to pay attention to travel safety.