Valued Customers:

A recent billing error has resulted in some TxTag customers receiving Pay-By-Mail invoices for recent travel. We are actively working to correctly process the transactions through your TxTag account. You will receive a letter from CTRMA that provides additional information and confirmation of the correction. No action is required from you.

If you do however need to contact us, please note that call volumes and wait times are currently high. You may utilize the virtual phone queue and/or chat function on the website to avoid additional wait.

We apologize for the inconvenience.

Who We Are

Central Texas Regional Mobility Authority

The Central Texas Regional Mobility Authority is an independent government agency created in 2002 to improve the transportation system in Williamson and Travis counties.

Our mission is to implement innovative, multi-modal transportation choices that enhance quality of life and economic vitality.

Visit the website for more information about the Mobility Authority.

Visit the website


MSB is the toll payment processor for the Central Texas Regional Mobility Authority. MSB can assist you with questions related to your toll bill or notice of toll violation and can process your payment. Visit the website