Our contact center has experienced unusually high call volume and we apologize for any inconvenience. To avoid extended hold times you can make Payments online, find answers to Frequently Asked Questions, or submit a written request for your account to be reviewed by selecting the Contact Us link.

SH550 Info

Welcome to the Toll Bill Payment Center

Here you can pay your SH 550 toll bill, find and review your past toll bills and learn more about the Pay By Mail program. Drivers who use SH 550 in Cameron County without having a valid TxTag, TollTag or EZ Tag account receive toll bills through the Pay By Mail program.

Contact Us

Municipal Services Bureau
MSB provides toll bill processing services for the Cameron County Regional Mobility Authority.
Cameron County Regional Mobility Authority