Year in Review: 2022
See last year's progress. Take the survey. Attend our virtual meeting to learn what's ahead in 2023.
Learn MoreAlerts and Travel Information
Construction Activity
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8/12/22 to 2/1/23 | 9 pm to 5 amUS 183 SB Frontage Roads
24 hours - A continuous closure will occur on SB US-183 frontage road which will close the southbound/northbound U-turn at Oak Knoll Dr.
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9/19/22 to 3/31/23 | 9 pm to 5 amUS 183 SB Frontage Roads
A closure will occur daily on the right lane of SB US-183 frontage road between McNeil Dr and Oak Knoll Dr.
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10/10/22 to 4/30/23 | 9 pm to 5 amUS 183 NB Frontage RoadsA continuous closure of the U-turn at RM620 will occur for crews to access the median and reduce any chances of interruption to the traveling public that could be caused by construction vehicle traffic.
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10/23/22 to 2/13/23 | 9 pm to 5 amUS 183 SB Mainlanes
A closure will occur overnight across various lanes on SB US-183 ML between Lakeline Mall Dr and Burnet Rd.
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10/24/22 to 2/13/23 | 9 pm to 5 amUS 183 NB Mainlanes
A closure will occur overnight across two various lanes on NB US-183 ML between Burnet Rd. Lakeline Mall Dr.
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10/27/22 to 2/28/23 | 9 pm to 5 amUS 183 SB Frontage Roads
A closure will occur overnight on the SB US-183 FR southbound to northbound U-turn at Spicewood Springs Rd. The two left lanes past Spicewood Springs Rd intersection will also be closed.
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11/1/22 to 2/3/23 | 9 pm to 5 amUS 183 NB Frontage Roads
A closure will occur overnight on NB US-183 NB/SB U-turn lane at Braker Ln. The closure will continue to the two left lanes of SB 183 FR past the intersection.
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11/15/22 to 3/1/23 | 9 pm to 5 amUS 183 NB Frontage Roads
A closure will occur overnight on westbound/eastbound Pond Springs Rd between NB/SB US-183 FR. US-183 SB to NB U-turn lane at Pond Springs Rd will also be closed. US-183 FR traffic through lanes and right turns will remain open. Westbound Pond Springs Rd will detour to Anderson Mill Rd. SB/NB U-turn lane will detour to McNeil Dr.
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11/15/22 to 2/3/23 | 9 pm to 5 amUS 183 SB Frontage Roads
A closure will occur overnight on eastbound/westbound Spicewood Springs Rd/McNeil Dr between NB/SB US-183 FR. The NB to SB U-turn lane at Spicewood Springs/McNeil Dr will also be closed. US-183 FR traffic through lanes and right turns will remain open. Eastbound Spicewood Springs Rd traffic will detour to Oak Knoll Dr/Westbound McNeil Dr and NB to SB U-turn traffic will detour to Pond Springs Rd.
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11/28/22 to 2/28/23 | 9 pm to 5 amUS 183 SB Mainlanes
A closure will occur overnight across three various lanes on SB US-183 ML between Capital of Texas Hwy and Burnet Rd. All Mopac traffic will detour to Burnet Rd
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12/12/22 to 3/1/23 | 9 pm to 5 amUS 183 NB Frontage Roads
A closure will occur overnight on eastbound/westbound Oak Knoll Dr between NB/SB US-183 frontage rd. Eastbound Oak Knoll Dr will detour to Duval Rd and westbound Oak Knoll Dr will detour to McNeil Rd.
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12/12/22 to 2/3/23 | 9 pm to 5 amUS 183 NB Frontage Roads
A closure will occur overnight on eastbound/westbound Anderson Mill Rd between NB/SB frontage rd. Eastbound Anderson Mill Rd will detour to Spicewood Springs Rd and westbound Anderson Mill Rd will detour to Lake Creek Pkwy.
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12/16/22 to 2/10/23 | 9 pm to 5 amUS 183 NB Frontage RoadsA closure will occur overnight on eastbound/westbound Lake Creek Pkwy between NB/SB frontage road. Eastbound Lake Creek Pkwy traffic will detour to Anderson Mill Rd, and Westbound traffic will detour to Pecan Park Blvd.
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1/9/23 to 3/31/23 | 9 pm to 5 amUS 183 NB Frontage RoadsA continuous closure will occur on the right lane of NB US-183 FR from Hunters Chase Dr to Anderson Mill Rd.
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1/13/23 to 2/18/23 | 9 pm to 5 amUS 183 SB MainlanesA closure will occur overnight on eastbound/westbound Balcones Woods Dr between US 183 NB/SB frontage road. Eastbound traffic will detour to Braker Ln. U-turn/westbound traffic will detour to Duval Rd U-turn.
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1/13/23 to 2/13/23 | 9 pm to 5 amUS 183 SB Frontage RoadsA closure will occur overnight on the SB US-183 FR entrance ramp south of Great Hills Trail. All southbound US-183 FR traffic will detour to the entrance ramp south of the Capital of Texas Hwy.
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1/13/23 to 2/13/23 | 9 pm to 5 amUS 183 SB Frontage RoadsA closure will occur overnight on the left lane of SB US-183 FR, including the Oak Knoll Dr exit ramp and the entrance ramp south of Oak Knoll Dr. Traffic will detour to the Spicewood Springs Rd and McNeil exit ramp. The entrance ramp will detour south of Oak Knoll Dr.
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1/16/23 to 2/4/23 | 9 pm to 5 amUS 183 NB Mainlanes
A closure will occur overnight across the two left lanes of NB US-183 ML between Mopac DC and the Capitol of Texas Hwy 360.
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1/17/23 to 2/11/23 | 9 pm to 5 amUS 183 NB Frontage Roads
A closure will occur overnight on eastbound/westbound Pecan Park Blvd between NB/SB US 183 frontage road. Eastbound traffic will detour to Lake Creek Pkwy. U-turn/westbound traffic will detour to RM 620.
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1/18/23 to 2/3/23 | 9 pm to 5 amUS 183 SB Mainlanes
A closure will occur overnight on the SB US-183 entrance ramp between Oak Knoll Dr and Duval Rd and on the SB FR left lane. Traffic will detour to the entrance ramp south of Duval Rd.
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1/19/23 to 2/11/23 | 9 pm to 5 amUS 183 SB Frontage Roads
A closure will occur overnight on eastbound/westbound Lakeline Mall Blvd between NB/SB frontage road. Eastbound traffic will detour to RM 620 U-turn. Westbound traffic will detour to Avery Ranch Blvd U-turn.
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1/19/23 to 2/13/23 | 9 pm to 5 amUS 183 NB Frontage RoadsA closure will occur overnight across the two left lanes of NB US-183 FR including the entrance ramp and exit ramp between Oak Knoll Dr and McNeil Dr. Traffic will detour to Oak Knoll Dr exit ramp. The entrance ramp traffic will detour north of McNeil Rd.
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1/20/23 to 2/3/23 | 7 am to 5 pmUS 183 NB Frontage Roads
A closure will occur daily on NB US-183 FR and NB/SB U-turn lane at the intersection of Pecan Park Blvd.
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1/24/23 to 2/1/23 | 9 pm to 5 amUS 183 NB Frontage RoadsA closure will occur overnight across the two left lanes of NB US-183 FR between Oak Knoll Dr and McNeil Dr.
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1/25/23 to 2/3/23 | 9 pm to 5 amUS 183 SB Mainlanes
A closure will occur overnight on the right lane on the main lanes of SB US-183 ML and SB US-183 FR and left lane on Frontage Rd between Oak Knoll Dr and Duval Rd.
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1/26/23 to 2/3/23 | 7 am to 3 pmUS 183 NB Frontage RoadsA closure will occur daily on the NB US-183 FR northbound to southbound U-turn lane at McNeil Dr.
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1/28/23 to 2/3/23 | 9 pm to 5 amUS 183 SB Frontage Roads
A closure will occur overnight across the two right lanes of SB US-183 FR, starting 3500ft south of Anderson Mill Rd and extending for 1000ft.
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1/30/23 to 2/10/23 | 9 pm to 5 amUS 183 SB Frontage RoadsA closure will occur overnight on SB US-183 FR SB/NB U-turn lane at RM 620 as well as the WB right lane on RM 620.
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1/31/23 to 2/3/23 | 7 am to 3 pmUS 183 NB Frontage Roads
A closure will occur daily on the U-turn lane of NB US-183 FR NB to SB at Braker Ln.
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1/31/23 to 2/1/23 | 9 am to 3 pmUS 183 SB Mainlanes
A closure will occur daily on the right shoulder of SB US-183 ML between Lake Creek Pkwy and Woodland Village.
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1/31/23 to 2/10/23 | 10 am to 3 pmUS 183 SB Frontage Roads
A closure will occur daily on SB US-183 FR at the SB/NB MoPac U-turn.
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2/1/23 to 2/4/23 | 9 pm to 5 amUS 183 SB Frontage Roads
A full road closure will occur overnight on SB US-183 between Spicewood Springs/McNeil Rd exit ramp and Oak Knoll Dr. The entrance ramp south of Anderson Mill Rd and the Oak Knoll Dr exit ramp will also be closed. Southbound US-183 FR entrance ramp traffic will detour to the entrance ramp south of Spicewood Springs Rd.
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2/1/23 to 2/4/23 | 9 pm to 5 amUS 183 SB Mainlanes
A closure will occur overnight across the three left lanes of SB US-183 ML between Hymeadow Dr and the entrance ramp south of Lake Creek Pkwy. The right shoulder on the main lane will be closed. The SB US-183 FR left lane will also be closed.
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2/9/23 to 3/23/23 | 9 pm to 5 amUS 183 NB Frontage RoadsA closure will occur nightly on eastbound/westbound RM 620 between NB/SB frontage road. Eastbound traffic will detour to Pecan Park Blvd. Westbound traffic will detour to Lakeline Mall Dr.
Major Activities
For info on long-term travel impacts during construction of the 183 North Mobility Project, click here.
Quick Links
Project Photos
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The 183 North Mobility Project will improve cross street bicycle and pedestrian connections, as well as add sidewalks compliant with the Americans with Disabilities Act (ADA) along the US 183 frontage roads in locations where sidewalks do not currently exist.
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Traffic congestion along US 183 between SH 45 North and MoPac is a major issue, especially during peak rush hour periods. The 183 North project aims to provide less congestion and more reliable travel with the addition of two tolled express lanes in each direction and non-tolled general purpose lane improvements.
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Tolls will be waived for Capital Metro buses on the completed 183 North Mobility Project Express Lanes. The project's aim to reduce congestion will also mean more reliable travel times for public transit.
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As part of the 183 North Mobility Project, operational improvements will be made to MoPac that include express lane direct connectors from the southbound US 183 managed lanes to a new southbound non-tolled collector-distributor roadway providing direct/bypass access to W. Anderson Lane/Spicewood Springs Road and Far West Boulevard.
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The 183 North corridor provides access to downtown Austin, as well as businesses, major employment centers, religious institutions, schools, parks and trails, recreational centers, and residential areas, all of which would benefit from a reduction in congestion and reliable travel times for drivers, transit and emergency responders.
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Traffic congestion along the nine-mile stretch of US 183 between SH 45 North and MoPac is a major issue. Four improved non-tolled general-purpose lanes in each direction and two tolled express lanes in each direction will reduce travel times and improve mobility for commuters, local drivers, and visitors to the region.
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To improve safety, optimize system connectivity and enhance local mobility along the US 183 corridor, the 183 North Mobility Project will construct two tolled express lanes and add a fourth general-purpose lane in areas where there are only three.
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GHC vehicles are gearing up for work as part of the 183 North Mobility Project. The 183 North Mobility Project aims to improve mobility, reduce congestion and provide more reliable travel times for transit and emergency responders along the nine-mile stretch of US 183 between SH 45 North and MoPac.
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Nightly construction work is making progess as the overhead sign bridge on the southbound mainlanes of US 183 starts coming together. As nightly construction takes off, the Mobility Authority is committed to planning the majority of traffic-impacting activites and mainlane closures during off-peak times when possible.
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Improvements are underway as the 183 North Mobility Project begins work on bicycle and pedestrian crossings. The 183 North Mobility Project will provide safe connectivity for bicyclists and pedestrians throughout the corridor, closing existing gaps to provide a network of continuous bike lanes available to cyclists traveling between SH 45 North and MoPac.
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The 183 North Mobility Project team is hard at work to bring safer and more reliable transit to the US 183 corridor. In an effort to be a good neighbor, the Mobility Authority is committed to limiting inconveniences during nightly construction including noise level and environmental disruptions.
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Tolls will be waived for Capital Metro buses on the completed 183 North Mobility Project Express Lanes. New and repaired sidewalks compliant with the Americans with Disabilities Act (ADA) will also improve bus stop accessibility.
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The 183 North Mobility Project is revamping the US 183 corridor. Retaining walls will catch the eye with their new undulating pattern and texture. Additionally, specific areas along the corridor will have artwork incorporated to improve corridor aesthetics.
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An essential aspect of the 183 North Mobility Project is bringing aesthetic enhancements to the corridor. Bridges will have decorative columns and capitals as well as similar aesthetics for signs structures and lighting bases. Additionally, all rehabilitated bridges will receive new color coatings to provide a consistent but revitalized look.
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Improvements are underway at the RM-620 turnaround. Great Hill Constructors, in partnership with CTRMA, are building access ramps to the median for construction vehicles, thereby reducing the potential for future traffic delays.
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Business driveway entrances along the frontage roads on US 183 northbound, southbound, and MoPac southbound are being reconstructed to accommodate the new sidewalks that are included in the 183 North Mobility Project. When the project is complete sidewalks will be ADA-compliant and continuous along the 183 North corridor and will be widened to up to 5-feet-wide.
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The 183 North Mobility Project Team values our business community and aims to minimize impacts from construction wherever feasible. Our outreach team has already begun working with individual businesses to alert them to the driveway reconstruction schedule and to offer "Open for Business" signage, where needed, at no charge to the business.
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Bent cap steel bridge reconstruction is occurring at Balcones Woods Drive along the US 183 corridor. A bridge bent cap is a horizontal substructure element that acts as support for the bridge.
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In this photo concrete is being poured into a drilled shaft for construction of the direct connector which will be from the southbound 183 Express Lanes to southbound Loop 1 (MoPac), and from the northbound MoPac Express Lane to northbound 183 Express Lanes. This connection means that traffic movement in the express lanes between MoPac and US 183 will be uninterrupted, reducing possible traffic impacts and delays.
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In this photo, drilled shaft reinforcing placement is occurring for the bridge at McNeil between the US 183 NB and SB mainlanes. Drilled shaft reinforcement is a deep foundation solution used to support bridge structures.
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The 183 North Mobility Project is hard at work making improvements to the US 183 corridor. Construction workers are carefully monitoring current conditions and safekeeping of roadway facilities. In this picture construction workers are repairing a damaged guardrail to maintain safety along the corridor.
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The 183 North Mobility Project will include improvements to cross street connections for bicyclists consisting of bike lanes in each direction, created by re-striping the existing cross street pavement.
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The 183 North Mobility Project will provide safe connectivity for bicyclists throughout the corridor, closing existing gaps to provide a network of continuous bike lanes available to cyclists traveling between SH 45 North and MoPac.
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The 183 North Mobility Project will improve and add sidewalks and business driveways where Americans with Disabilities Act (ADA) compliant facilities do not currently exist.
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In addition to adding express lanes, the 183 North Mobility Project will improve the non-tolled portions of US 183 by adding a fourth general-purpose lane in areas where only three currently exist.
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The 183 North Mobility Project is being constructed by the Central Texas Regional Mobility Authority to improve safety, optimize system connectivity and enhance local mobility along the US 183 corridor.
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The 183 North Mobility Project extends 9 miles from SH 45 North to MoPac in northwest Austin and will reduce travel times and improve mobility for commuters, local drivers, visitors to the region, and people who prefer to use public transit, ride their bike or walk.
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The 183 North Mobility Project limits the proposed roadway improvements to within the existing right-of-way. Express lanes will be constructed where the current median exists now.
Twitter Updates

Take a look back at 183 North Mobility Project construction progress and community outreach in 2022! We are excited about the improvements progress we've made so far and look forward to more opportunities in 2023. #JustGettingStarted t.co/siiTZaMCZz

Join us for the 183 North Mobility Proj. Annual Update Event Feb. 23 at 6 p.m. to commemorate one year of construction! Our contractor will go over construction & outreach progress & our plans for 2023. Get your questions answered virtually. See you soon! t.co/aneM5XFQNU t.co/ExwhlmtrQf