What We’re Building

Get to know more about what we’re building for the 183 South Project

The 183 South Project will offer Central Texas drivers a non-stop, signal free route to get to their destination without delay. This key north-south alternative to IH-35 will provide significant improvements to the corridor including enhanced non-tolled general purpose lanes and new multi-modal transportation options in the form of bicycle and pedestrian improvements.

The 183 South Project broke ground in April 2016, and construction is projected to last for about 4 years. The total project cost will be approximately $743 million. The construction will take place in phases, with phase one improvements, between US 290/290 Toll and Bolm Road expected to be complete in 2019. The second phase will open to traffic about a year later.

When completed, those looking to bypass traffic congestion have a choice to use the 183 South toll lanes. Drivers who prefer not to pay a toll will still have the option to use the improved non-tolled general purpose lanes.

The Mobility Improvements

  • A new tolled expressway featuring three lanes in each direction
  • An improved non-tolled US 183 with three general purpose lanes in each directions.
  • A high tech traffic monitoring system for improved traffic management and emergency response.
  • Miles of new bicycle lanes, sidewalks, and shared use paths with connections to the regional trail system
  • Upgrades to the visual appearance of the corridor through aesthetic enhancements and landscaping improvements.

The Mobility Vision

The Mobility Authority is dedicated to having real, positive impacts on people’s drive times and quality of life. Central Texas is one of the fastest growing regions in America, and the Mobility Authority is working to create transportation solutions that meet our growing community.

The Purpose of the 183 South Project is to:

  • Improve safety, system connectivity, local mobility and travel times
  • Provide an efficient alternative route to congested local roadways in eastern Travis County

Background

The US 183 corridor from US 290 to SH 71 is one of Austin’s most important arterials. Since US 183 was constructed in the mid-1960s, the roadway has been a four-lane divided highway with minor improvements. As the primary route to and from the Austin-Bergstrom International Airport and points beyond, it attracts more than 60,000 cars and trucks a day.

Since 2011, the Central Texas Regional Mobility Authority (Mobility Authority) and the Texas Department of Transportation (TxDOT) have been working with agencies and the community to develop a reasonable and feasible approach to improve mobility in the US 183 South corridor which have a real, positive impact on people’s drive times and quality of life.

On March 6, 2015, TxDOT approved the project for construction. Find out more about this process on the Environmental Study page.

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