If one of your bus drivers has gone out of his way to do a good job, here is a sample letter of commendation for a bus driver.
[Name of Bus Driver]
Dear [Name of Bus Driver],
We, at [Company name] would like to thank you for your unrelenting services to the company. Your dedication and speed of service are unprecedented at this company.
We are writing to convey our appreciation for your work and notify you that your commitment to service has not gone unnoticed.