Looking after human capital should be the top priority at any organization. That means ensuring travelers are safe — and maybe even productive and comfortable. A managed travel program helps a lot. Calculating and reporting the financial benefits of travel management and procurement, though, is less straightforward.

Buyers and managers get plenty of data. They find some useful. To prove the travel program's worth to senior management, the trick is knowing which numbers mean the most.

The approach varies, sometimes depending on company size, culture and program maturity. Some companies use . . .

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