(a) At no time shall drawn bows, loaded firearms, loaded air guns, spring guns or other such weapons be permitted in any rest or parking area or scenic overlook, nor shall any bow, firearm, air gun, spring gun or other weapon be discharged for any reason in any rest or parking area or scenic overlook.

(b) This provision shall not apply to peace officers, as defined in section 154 of the Code of Criminal Procedure, or to State police officers, conservation officers or special game protectors.