This can't be illegal The act of signing for others without the consent and authorization of another law enforcement officer has been suspected of forgery. The so-called highway case refers to the administrative case that the transportation department of the people's government at or above the county level or the highway management organization set up by it, in order to safeguard the legitimate rights and interests of highway managers, operators and users, in accordance with the provisions of the highway law and other relevant laws, regulations and rules, occurs with the management counterpart.