New Buses Are Part of the New RTA Have you ridden an RTA bus lately? If you have, you've already experienced our brand-new vehicles. If you haven't, you may be in for a surprise. In early 2011, the RTA finished the process of completely replacing all our buses. Today, any RTA bus you board will be new one. Compared to other city transit systems across the U.S., the RTA can boast one of the newest fleets the country, if not the newest one. Our 75-vehicle bus fleet also includes five high-capacity articulated buses (also known as “accordion” or “caterpillar” buses) for peak-time use on our most traveled lines. The RTA's new fleet runs on B5 biodiesel fuel. Biodiesel, which is manufactured from vegetable oils, animal fats or recycled restaurant grease, is preferable to standard petroleum-based diesel. It produces less air pollution and helps to reduce our country's dependence on fossil fuels. Comfortable, clean, and a better for the environment than your car, the RTA's beautiful new buses are worth the trip. So if you haven't ridden an RTA bus lately, we invite you to leave your car at home. Have a look at our System Map and our bus schedules, and use the RTA to take you where you want to go.