Any person who shall, without the consent of the owner or person in charge of a vehicle, aircraft, boat, vessel, locomotive or other rolling stock of a railroad, climb into or upon such vehicle, aircraft, boat, vessel, locomotive or other rolling stock of a railroad, with intent to commit any crime, malicious mischief, or injury thereto, or who, while a vehicle, aircraft, boat, vessel, locomotive or other rolling stock of a railroad is at rest and unattended, shall attempt to manipulate any of the levers and starting crank or other device, brakes or mechanism thereof or to set into motion such vehicle, aircraft, boat, vessel, locomotive or other rolling stock of a railroad, with the intent to commit any crime, malicious mischief, or injury thereto, shall be guilty of a Class 1 misdemeanor, except that the foregoing provision shall not apply when any such act is done in an emergency or in furtherance of public safety or by or under the direction of an officer in the regulation of traffic or performance of any other official duty.