Chauffeured ride-hailing provider Blacklane this month will introduce its service to 21 cities across 11 countries, the company announced. Blacklane will roll out its service to the cities gradually during March. By the end of this week, Blacklane said it will be in New York City, London, Dubai, Berlin and Paris. By March 26, the company said it will add Boston, Chicago, Las Vegas, Los Angeles, Miami, San Francisco, Washington D.C., Dublin, Düsseldorf, Frankfurt, Lisbon, Milan, Munich, Singapore, Vienna and Zurich.