There are times when you can’t wait for a drug test—and times you don’t want to pay for waiting.

Prior to hiring Alia, Megabus sent its drivers to a large local drug testing center. Long lines and a DOT-mandated escort made it an inconvenient and costly solution. Double the time. Double the expense.

Mobile testing was the seemingly perfect solution. But mobile testing presents is own cost problems for busing companies. Often, drug collectors are called to a site—but wait hours for drivers to arrive because of delays caused by bad weather or traffic. Most drug companies will charge for wait times.

With Megabus, Alia set up a system in which collectors are on stand-by. They wait for confirmation …