Learn about Harris County Toll Road Authority culture, salaries, benefits, work-life balance, management, job security, and more. TheHarris County Toll Road Authoritywould like to remind customers tologon tohctra.organd make sure your EZ TAGaccounthas a positive balance and your license plates are up-to-date. Lead Customer Service Representative at Harris County Toll Road Authority Missouri City, Texas, United States. ENGLISH. San Antonio, TX. For roadside assistance, please . document.write("