Chinatown bus currently covers major cities in the US East and West Coast. It is well known that Chinatown bus lines provide low-fare services. Chinatown bus operators cover over 40 cities including Boston, New York, Washington DC, Philadelphia, Providence, Hartford, Albany, Norfolk, Richmond, Atlanta, Los Angeles, Las Vegas, San Francisco, etc.
You will find bus tickets for many Chinatown bus operators available for sale on Gotobus.com.
More information is available at History of Chinatown Bus.