• 07/16/24: We are aware of the smishing scams regarding outstanding toll charges. The Mobility Authority will never ask for personal information via text and only send texts with account updates and to those who have opted in to QR Code Digital Billing and Electronic Invoices. Please do not click on links or respond to any suspicious messages. To get the most up to date information about your Mobility Authority account, visit or call us at (833) 762-8655. The Mobility Authority works diligently to protect our customers’ data.


The Mobility Authority is working to create a comprehensive regional transportation network for Central Texas by implementing innovative and multimodal transportation solutions.

Our system of roadway projects is designed to bring you faster, safer and more reliable drive times throughout Central Texas and reconnect communities, businesses and families. And we’re talking about all drivers; we are committed to providing a choice. Those who prefer the non-tolled frontage roads also enjoy an improved commute experience. Our sustainable mobility options give time back to residents so they have more opportunity to do and see the things they value and love.

Explore the sites below for more information on our projects, which are designed to meet the diverse mobility needs of our fast-growing region.

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183A Phase III

Proposal for proactive congestion relief in a fast growing area that will enhance mobility by extending the 183A Toll north from Hero Way to north of SH 29. The 6-mile proposed tollway will have up to three lanes in each direction.

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183 North

Adding capacity with construction of two variably-priced express lanes in each direction in the existing median along a 9-mile stretch of US 183 in northwest Austin; including connections to adjacent roadways and the MoPac Express Lanes.

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MoPac South

Proposal to manage congestion and improve mobility with addition of one to two variably-priced express lanes in each direction along approximately eight miles of MoPac south of downtown between Cesar Chavez and Slaughter Lane.

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Barton Skyway Ramp Relief

Project to add pavement for auxiliary and merge lanes on southbound MoPac at the Bee Cave Road and Barton Skyway entrance ramps.

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183A Added Capacity

Proposal for the addition of a fourth lane in the median of 183A Toll between FM 620 and Hero Way

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Travis County Projects

Travis County has enlisted the services of the Mobility Authority to expedite the delivery of several projects in the Capital Improvement Program.

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