In the United States, highway toll rates generally vary by state. For example, the average cost per mile on the Interstate 94 Chicago Skyway in Illinois is $0.51 while on the I-95 Express in Florida is only $0.13, as of 2013.
The U.S. Department of Transportation Federal Highway Administration provides information on interstate system toll facilities that are in use, under construction and financed as of 2013. Based on this data, the lowest average cost per mile for passenger vehicles is $0.02, which is collected on Express Lanes in Utah and on F.E. Everett Turnpike and Spaulding Turnpike in New Hampshire.
The Newark Bay Extension in New Jersey is the next most expensive toll rate after the Chicago Skyway. The amount levied on this facility is $0.36.