Express Lanes Now Open in Both Directions!
Find everything you need to know about the opening of the 183 Express Lanes.
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Map Legend
- Full Closure
- Activity
Construction Activity
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3/7/25 to 3/6/26 | 9 pm to 5 amUS 183 SB Frontage Roads
A lane closure will occur overnight on the two left lanes of SB US-183 FR approaching Jollyville Rd. to Hyridge Dr.
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5/5/25 to 3/5/26 | 9 pm to 6 amMoPac SB Mainlanes
A lane closure will occur overnight on the two right lanes of SB MoPac ML approaching US-183 to Steck Ave. The SB MoPac entrance ramp to Steck Ave. will also be closed. Traffic will detour to the Far West Blvd. exit ramp.
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6/2/25 to 3/6/26 | 9 pm to 6 amMoPac SB Frontage Roads
A lane closure will occur overnight on the SB Mopac FR exit ramp to Far West Blvd.
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6/18/25 to 3/6/26 | 8 pm to 6 amUS 183 NB Mainlanes
A lane closure will occur overnight on the NB US-183 entrance ramp from Duval Rd. Traffic will detour to the Oak Knoll Dr. entrance ramp.
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6/28/25 to 3/5/26 | 8 pm to 6 amUS 183 SB Frontage Roads
A lane closure will occur overnight on the right lane of SB US-183 FR between Duval Rd. and Balcones Woods Dr.
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7/10/25 to 3/6/26 | 8 pm to 6 amUS 183 SB Mainlanes
A lane closure will occur overnight on the SB US-183 entrance ramp from Lakeline Blvd. Traffic will detour to the Lake Creek Pkwy. entrance ramp.
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7/18/25 to 3/11/26 | 8 pm to 6 amUS 183 NB Mainlanes
A lane closure will occur overnight on the NB US-183 exit ramp to McNeil Dr./Spicewood Springs Rd.
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7/30/25 to 3/6/26 | 9 pm to 6 amUS 183 SB Mainlanes
The right lane of US 183 southbound mainlanes will be closed in addition to the direct connector to MoPac.
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8/19/25 to 3/6/26 | 8 pm to 6 amMoPac NB Frontage Roads
A continuous closure will occur in the left lane of NB Mopac FR approaching Steck Avenue, including a WB Steck Avenue right lane closure at Mopac intersection.
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9/5/25 to 3/11/26 | 8 pm to 6 amUS 183 SB Frontage Roads
A lane closure will occur overnight on the two left lanes of SB US-183 FR between RM 620 and Anderson Mill Rd.
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9/8/25 to 3/11/26 | 8 pm to 6 amUS 183 NB Frontage Roads
A nightly left lane closure will occur on NB US-183 FR between Braker Ln and Balcones Woods DR. Various lane closures will also occur approaching Braker to Balcones Woods Dr.
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9/29/25 to 3/13/26 | 8 pm to 6 amUS 183 SB Frontage Roads
A nightly closure will occur in the left lane of SB US-183 FR between Balcones Woods and Braker Ln.
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12/20/25 to 3/12/26 | 8 pm to 6 amUS 183 SB Frontage Roads
Right Lane Closure on WB FM 620 FR approaching Pecan Park Blvd to Ridgeline Blvd A daily right lane closure will occur on WB FM 620 FR approaching Pecan Park Blvd to Ridgeline Blvd.
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12/26/25 to 3/5/26 | 8 am to 6 amUS 183 NB Mainlanes
A daily right lane closure will occur on NB US-183 ML approaching Mopac to Lakeline Blvd.
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12/26/25 to 3/10/26 | 9 pm to 6 amUS 183 NB Mainlanes
A nightly closure will occur at the NB MoPac to NB US-183 DC ramp. Traffic will follow the detour per TCP drawing on TCP593.
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1/2/26 to 3/12/26 | 8 pm to 6 amMoPac SB Frontage Roads
A nightly right lane closure will occur on SB Mopac FR approaching Anderson Ln to Far West Blvd.
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1/8/26 to 3/10/26 | 8 pm to 5 amUS 183 SB Mainlanes
A lane closure will occur overnight on various lanes of SB US-183 ML between Brushy Creek Rd. and RM 620/Hwy 45. Full lane closures will also occur in intervals of fifteen minutes for the installation and removal of signs and structures.
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1/22/26 to 3/6/26 | 8 pm to 7 amUS 183 NB Mainlanes
A lane closure will occur overnight on the NB US-183 entrance ramp from Braker Ln. Traffic will detour to the Duval Rd. entrance ramp.
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2/1/26 to 3/6/26 | 8 pm to 6 amUS 183 SB Mainlanes
A lane closure will occur overnight on the entrance ramp to SB US-183 from Loop 360. Traffic will detour to the Steck Ave. entrance ramp.
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2/19/26 to 3/12/26 | 8 pm to 6 amUS 183 SB Frontage Roads
A nightly single various lane closure will occur on SB US-183 FR between Lakeline Blvd and Mopac. TMA and COP needed, limits of actual work varies per day, to be provided prior to work.
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2/23/26 to 3/5/26 | 8 pm to 6 amMoPac NB Mainlanes
A nightly single right lane closure will occur on NB Mopac ML between Steck Ave and US-183.
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2/26/26 to 3/12/26 | 8 pm to 6 amUS 183 NB Frontage Roads
A nightly closure will occur in the left lane of NB US-183 FR between McNeil Dr and Anderson Mill Rd.
VIDEO | A Bird's Eye View
Take a look at what the 183 North Mobility Project will look like once complete.
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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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 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.
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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.