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Greyhound Bus Line - http://www.greyhound.com/
Fares, schedules, and ticketing for more than 3,700 destinations across North America. |
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Trailways. - http://www.trailways.com/
Association of independent motorcoach companies providing public scheduled route, charter and tour transportation services in the United States and Canada. |
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American Bus Association (ABA) - http://www.buses.org
Represents approximately 950 motorcoach and tour companies in the United States and Canada. |