State of Missouri
State Mileage Allowance

The state standard mileage allowance for use of privately-owned automobiles on state business is the IRS standard mileage rate less three cents per mile. Any change to the state mileage allowance rate is effective July 1st based on the IRS rate in effect as of January 1. If the IRS makes changes during the year, the State does not adjust its standard mileage allowance. The state fleet rate, which is set in the spring, represents the average cost of operating a mid-size sedan in the state vehicle fleet. The rates per mile in cents for the last four fiscal years and for next fiscal year are:

This policy provides that agencies and employees use the Trip Optimizer or other equivalent method to ensure they use the most cost effective vehicle option. An approved equivalent method is a waiver of the need to print the Trip Optimizer when the roundtrip mileage is 80 miles or less.