Contact Us

Contact Gateway Guide

MoDOT’s Customer Service Center is open and your call will be answered by a live person 24/7.

314-275-1500 or toll free at 1-888-ASK-MODOT (275-6636)

Click here to send an email question or comment.

MoDOT's Transportation Management Center
14301 South Outer 40 Road
Chesterfield, Mo 63017
(P) 314-275-1500
(Fax) 314-340-4508

Click here for driving directions, and a Google map of our location.


Click here to request a tour of the center or a speaker for your group/organization

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