Any commercial driveway constructed prior to July 1, 1973, and adjudged by the department to be unsafe for the traveling public or in violation of department regulations promulgated pursuant to Code Section 32-6-133 may be changed or caused to be changed by the department so as to eliminate any unsafe features; or it may be closed or displaced by substitution therefor of another driveway at such place or of such design as may be deemed safe. Liability for the expense of such change or substitution will be determined in accordance with Code Section 32-6-134.