Here's a breakdown: Typically, a vehicle has one axle per two wheels. I-PASS transponders and stickers, which are available through the Illinois Tollway, are valid on the Skyway.

(WIFR) - As the busy week for holiday travel goes full steam ahead, the Illinois Tollway reminds drivers to pay their tolls and make the switch from a transponder to a sticker. The Tollway offers ...

Across Illinois, drivers are receiving text messages claiming to be from the Illinois Tollway accusing them of "toll evasion" or having unpaid tolls. "These are phishing text scams. Do not respond ...