Washington, D.C. made history when it became the first U.S. city to deploy a contactless smart card system- wide for mass transit. The Smar- Trip® card has gained widespread acceptance in the Washington, D.C. area, particularly in the past year. Washington Metropolitan Area Transit Authority (WMATA) has more than 300,000 SmarTrip® customers and adds an average of 3,000 new customers each week.