Systems Administrator salary at Illinois State Toll Highway Authority

The average systems administrator salary at Illinois State Toll Highway Authority was $70,459 , which is 15 percent lower than the average salary for this job in Illinois, and 5 percent lower than the national average for this job . Systems Administrator salaries at Illinois State Toll Highway Authority typically range from $33,142 to $93,620 (25th to 75th percentile). The highest reported systems administrator salary was $105,013. There are 6 employees at Illinois State Toll Highway Authority with the job title systems administrator.