Please remember these guidelines for riding our system: Do not smoke, vape, drink, eat or play loud music while on the bus. Also, please wear a shirt and shoes. Let's be thoughtful Singapore Intensifies Vape Enforcement on Public Transport Ecigator Ottawa bus ad demands action on youth vaping Exhaling vape smoke clouds around his head, a bus driver vapes during his break, in front of his Routemaster bus parked at Aldwych in central London, on 6th March 2020, in London,