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Williamson County: CTRMA issues IFB on $180 Project Expansion of 183A Tollway

Feature Photo: The junction at US 183A and US 183, looking north. The Central Texas Regional Mobility Authority and TxDOT plan to add toll lanes as part of an expansion project.

by Art Benavidez

Leander (Williamson County) — An invitation to bid (IFB) on the proposed expansion of the 183A Tollway has been issued by the Central Texas Regional Mobility Authority (CTRMA).

Map of the proposed 183A expansion project.

Plans call for an extension of the current tollway to go 6.6 miles north from the junction of US 183 and 183A to a little north of Texas 29. The project is in its third phase.

The IFB has been issued for construction engineering and inspection of the $180 million project. The project will be constructed and funded under a single contract by the CTRMA. 

The deadline for meeting the prequalification requirements and allowing access to the official bid form is noon September 9.

The deadline to submit bids electronically is 2 p.m. September 17. Construction is expected to start in early 2021.

The expansion of the 6.6-mile tollway will have two tolled lanes in each direction to start with an opportunity to be widened to three lanes in the future.

The expansion of the highway will be between Leander and Liberty Hill. The tollway provides a bypass for U.S. Route 183 and the extension of the tollway is currently anticipated to be completed in 2024.

Existing bicycle and pedestrian accommodations along 183A and US 183 within the project limits are currently limited to crosswalks and ramps at Hero Way, Bryson Ridge Trail and State Highway 29, and paved outside shoulders along the general-purpose lanes.

A benefit of the proposed project for bicyclists and pedestrians is that it calls for the project to provide a 10-foot-wide, paved bicycle and pedestrian shared-use path from Hero Way in Leander to the planned Seward Junction South in Liberty Hill.

A connecting shared use path would be included to provide trail access to Leander’s planned South San Gabriel River Park.

In September of 2019, the Texas Department of Transportation and CTMA found that the tollway extension showed no significant impact to the region through their environmental assessment.

The extension of the tollway is a solution to provide time-saving options for motorists in the fast growing region of Williamson County and adjacent Travis County to the south.  

The area surrounding Cedar Park, Leander and Liberty Hill is expected to grow significantly in the coming years with the corridor expected to continue to attract residential and commercial development, according to CTMA.


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By |2020-08-28T15:59:32-05:00August 28th, 2020|Construction Preview, Feature Story|

About the Author:

Art Benavidez (Construction News Reporter, Central Texas) is a seasoned journalist with over 15-years of experience in writing breaking news and in-depth features at the local level. He honed his research and reporting skills in newspapers and magazines throughout South and West Texas along with expertise in crafting digital content as Managing Editor of New Image Marketing Research Corporation. Benevidez is a Texas native and graduate of UT-RGV.

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