AUSTIN, Texas — Sitting on traffic in MoPac is something that all Austinites unfortunately know all too well.

“I don't know that anybody has said anything nice about MoPac," Alan Farmer, the creator of the Evil MoPac app said while laughing.

Now, a new app could take away some headaches as drivers get on the MoPac Expressway. On Tuesday, Farmer launched his free app “Evil MoPac” on the App Store and Google Play Store .

The app tracks real time data from the Central Texas Mobility and Regional Mobility Authority every five minutes, and displays the time of the regular lane versus the toll lane. It shows the cost of that stretch of road either Northbound or Southbound, then determines if it's worth it to take the toll.

You can also personalize the settings to save more or less money

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