Secretary salary at Illinois State Toll Highway Authority

The average secretary salary at Illinois State Toll Highway Authority was $63,739 , which is 13 percent higher than the average salary for this job in Illinois, but 9 percent lower than the national average for this job . Secretary salaries at Illinois State Toll Highway Authority typically range from $54,454 to $73,025 (25th to 75th percentile). The highest reported secretary salary was $73,024. There are 2 employees at Illinois State Toll Highway Authority with the job title secretary.