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The Central Texas Regional Mobility Authority is constructing two tolled lanes in each direction, an overpass at the Hwy. 29 intersection, ve bridges and a shared-use path as part of the third phase of the 183A Toll project.
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Shared-use path
Nontolled lanes
Direction of tra c
Southbound nontolled frontage road lanes
Northbound nontolled frontage road lanes
Southbound toll road
Northbound toll road
Due to increasing tra c volumes and substantial growth, the Central Texas Regional Mobility Authority is extending the 183A Toll from Hero Way in Leander to Hwy. 29 in Liberty Hill. The project is under construction and will wrap up in early 2025.
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SOURCE: CENTRAL TEXAS REGIONAL MOBILITY AUTHORITY COMMUNITY IMPACT
183A Phase 3 toll extension
Bridges Shared-use path Nontolled frontage road lanes
Toll road extension hits halfway mark, aims to o er faster commute times
WHITEWING DR.
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Main lane toll points Entry/exit ramp toll point Pedestrian crossing
BY ZACHARIA WASHINGTON
“It is going to be a huge traf- c reliever for the folks that com- mute south,” Williamson County Commissioner Cynthia Long said. The project will maintain the exist- ing frontage roads, keeping two non- tolled lanes in each direction, Central Texas Regional Mobility Authority o cials said. The work currently tak- ing place in the project boundaries includes tunneling underground to build the extended 183A underneath Hwy. 29; beginning construction on the new Hwy. 29 overpasses over 183A; erecting retaining walls; and install- ing drainage systems and utilities. This extension is the third phase of the 183A Toll project. The Mobility Authority is expanding the toll road north as the population in Liberty Hill is expected to grow to 112,420 by 2042 and Leander to 163,414 by 2040, according to the cities’ data. “It’s unbelievable growth, and [US]
Construction on the 183A Toll extension through northern Leander to Liberty Hill is about 53% completed as of mid-April, and the project’s aim is to pro- vide congestion relief in the area. Stretching from Hero Way in Leander to Hwy. 29 in Liberty Hill, the 5.3-mile extension will be built within the US 183 median between two existing frontage roads. It will consist of two tolled south- bound and northbound lanes as well as a 7-mile, 10-foot shared- use path. Work on the $259 million project began in 2021, and it is on time to reach completion in 2025. Once completed, the toll road is expected to save commuters time by eliminating four signalized intersec- tions at San Gabriel Parkway, Bryson Ridge Trail, Whitewing Drive/Lark- spur Park Boulevard and Hwy. 29.
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BRYSON RIDGE TRL.
183A TOLL
Work to construct a bridge over San Gabriel Parkway is underway.
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SOURCE: CENTRAL TEXAS REGIONAL MOBILITY AUTHORITY COMMUNITY IMPACT
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