Can a temporary sign, which is posted under the direction of a police officer, be regarded as a legitimate traffic sign?

1. No, it is not a legitimate traffic sign
2. Yes, except in the case of a “no-entry” sign
3. Correct answer: Yes, it is regarded as a legitimate traffic sign
4. Yes, except in the case of a “stop” sign

WhyYes, a temporary sign placed by the police is legal, any sign, including 'Stop' and 'No entry'. You obey it like a regular sign.