The problem of tourists being over charged for tolls in a rental car is only going to keep getting worse. Here’s a new article from the LA Times that adds some new information. The biggest problem for visitors, hell, anyone driving a rental car nowadays is the transition of toll roads to all electronic tolling. There’s no way to pay with cash anymore. Here is a partial list of toll rates for people driving rental cars. How to beat this mess? A little planning. Get a Tolltraxx transponder from https://rentalcartransponders and save. $7.50 up front, $3 of which is refunded when you return the transponder; and tolls + .50¢ per toll for our service fee. We manage the tolls while you drive. Get one bill at the end of your trip.