Phase III Extension of 183A Tollway
Work on the Phase III extension of the 183A tollway included adding 2 tolled main lanes 6.6 miles in each direction from Hero Way to North of SH 29 and constructing a shared use path from Hero Way to the proposed Seward Junction Loop project.
97%
recycled content low carbon rebar used
+4,000,000
gallons of drinking water saved by using reclaimed water for dust control
Overview
The extension of 183A included the construction of 17 bridges, 2 of which are over the South Fork San Gabriel River.
The project is scheduled to be completed in summer 2026.
BENEFITS/POSITIVE ASPECTS TO COMMUNITY
- With unprecedented growth in Williamson County, especially in Cedar Park, Leander, and Liberty Hill, traffic volumes along the 183 are expected to increase by 183% over the next 25 years. The project helps alleviate future congestion and reduce driving times for commuters.
Technical Highlights
- 2 additional 6.6-mile-long tolled lanes
- Construction of a shared use path
- 17 bridges
Phase III Extension of 183A Tollway Gallery