Customer Service Representative salary at Illinois State Toll Highway Authority

The average customer service representative salary at Illinois State Toll Highway Authority was $49,170 , which is 47 percent lower than the average salary for this job in Illinois, but 4 percent higher than the national average for this job . Customer Service Representative salaries at Illinois State Toll Highway Authority typically range from $44,939 to $51,109 (25th to 75th percentile). The highest reported customer service representative salary was $62,931. There are 36 employees at Illinois State Toll Highway Authority with the job title customer service representative.