In Maryland, a person is prohibited from smoking in indoor areas open to the public, indoor place where meetings are open to the public, in government-owned or government-operated means of mass transportation including buses, vans, trains, taxicabs, and limousines as well as in indoor place of employment. Use this Maryland No Smoking Sign and make sure your establishment complies with Maryland Health-General Code Ann. § 24-504. The letters on the signs are 1.3" in height.