AUSTIN, Texas — Construction is ramping up on the "183 North Mobility Project," a $612 million project seeking to reduce congestion along the nine-mile stretch of US 183 between State Highway 45 North and MoPac Expressway in northwest Austin. Construction began on Jan. 22.
According to the Central Texas Regional Mobility Authority, the corridor they're working on is the 69th most congested roadway in Texas. The goal is to manage congestion and improve transit reliability and emergency response times along the corridor.
The Mobility Authority says that construction may happen 24 hours a day, seven days a week in order to meet the completion goal of early 2026. The agency says the majority of work will occur during off-peak times, and noise will be minimized to preserve the quality of life for the neighborhoods nearby.
The project includes:
Two tolled express lanes in each direction. Express lanes are special lanes that are separated from the general-purpose lanes. They utilize variable toll pricing to manage the amount of traffic in the lanes
An improved non-tolled 183 with four general-purpose lanes in each direction (adding the fourth general-purpose lane in areas where only three currently exist)
Express lane direct connectors will be constructed with the MoPac Express Lanes south of 183
Operational improvements along MoPac with a collector-distributor road from the direct connectors to the southbound MoPac frontage road until Far West Boulevard
A high-tech traffic monitoring system for improved traffic management and emergency response
The project will add approximately 1.5 miles of new bike lanes along the major streets crossing 183 and approximately a half-mile of new shared-use path. These additions will provide much-needed connections and close existing gaps, ensuring a network of continuous bike lanes between State Highway 45 North and MoPac. The project will also add or reconstruct, where needed, approximately 11 miles of sidewalks along the Highway 183 corridor to ensure compliance with the American Disabilities Act (ADA)
Upgrades to the visual appearance of the corridor through aesthetic enhancements and landscaping improvement
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