It’s here--the General Services Administration (GSA) updated National Per Diem Directory for fiscal 2008! (Please, no yawning). Excitement aside, this annual report is a handy tool for the traveler and travel manager. It outlines and offers useful information as a relative measure for cost comparisons and standards between U.S. cities for travel expenses.  The GSA auto reimbursement rate is parked at 48.5 cents per mile. 

Domestic federal per diem rates, click here.
Private auto mileage reimbursement rates, click here.