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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3/4/25 to 3/27/26 | 7 pm to 7 amUS 183 NB Frontage Roads
A lane closure will occur overnight at the northbound to southbound U-Turn of US-183 and Oak Knoll Dr.
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3/7/25 to 3/27/26 | 7 pm to 3 pmUS 183 NB Frontage Roads
A lane closure will occur daily on the northbound to southbound U-Turn of US-183 FR at McNeil Dr. and Spicewood Springs Rd.
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3/7/25 to 3/31/26 | 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 4/3/26 | 9 pm to 5 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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5/6/25 to 3/28/26 | 9 pm to 5 amMoPac SB Mainlanes
FULL CLOSURE - A full ramp closure will occur overnight on the SB US-183 to SB MoPac DC Ramp. A full ramp closure will also occur on the NB US-183 to SB MoPac DC Ramp. Follow signs for detour.
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5/22/25 to 3/27/26 | 9 pm to 5 amUS 183 NB Mainlanes
A lane closure will occur overnight at the NB US-183 exit ramp to Oak Knoll Rd. Traffic will detour to the McNeil Dr. exit ramp.
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7/18/25 to 3/27/26 | 7 pm to 6 amUS 183 SB Mainlanes
A lane closure will occur overnight at the southbound to northbound U-Turn of US-183 and Great Hills Trl.
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9/5/25 to 4/3/26 | 8 pm to 5 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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12/26/25 to 3/27/26 | 9 pm to 5 amUS 183 NB Frontage Roads
FULL CLOSURE - A closure will occur overnight on EB/WB Duval Rd. between NB/SB US-183 FR. Eastbound traffic will detour to Balcones Woods Dr. Westbound traffic will detour to Oak Knoll Dr.
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12/26/25 to 3/27/26 | 9 pm to 5 amUS 183 SB Frontage Roads
FULL CLOSURE - A full closure will occur overnight at SB Mopac FR between Tudor Blvd. and Tallwood Dr. Follow signs for detour.
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2/19/26 to 3/30/26 | 8 pm to 5 amUS 183 SB Mainlanes
A daily right lane closure will occur on SB US-183 ML approaching Lakeline Blvd to Mopac.
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2/19/26 to 4/7/26 | 8 pm to 5 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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2/19/26 to 4/1/26 | 9 pm to 5 amMoPac NB Frontage Roads
A nightly single various lane closure will occur on NB Mopac FR between RM 2222 and US-183.
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2/19/26 to 3/27/26 | 9 pm to 5 amMoPac NB Mainlanes
A nightly single right lane closure will occur on NB MoPac ML between RM 2222 and US-183. Need TMA and COP, exact limits to be provided prior to work.
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2/19/26 to 4/7/26 | 9 pm to 5 amUS 183 NB Frontage Roads
A nightly single various lane closure will occur on NB US-183 FR between Lakeline Blvd and Mopac.
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2/26/26 to 3/27/26 | 9 pm to 5 amUS 183 SB Mainlanes
A lane closure will occur overnight on the SB US-183 exit ramp to Oak Knoll Rd. Traffic will detour to the Duval exit ramp.
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3/9/26 to 4/3/26 | 9 pm to 5 amUS 183 NB Frontage Roads
A nightly single various lane closure will occur on EB Great Hills Trl approaching NB US-183 FR to SB US-183 FR.
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3/9/26 to 4/3/26 | 9 pm to 5 amUS 183 SB Frontage Roads
A nightly single various lane closure will occur on WB Great Hills Trl approaching SB US-183 FR to NB US-183 FR.
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3/9/26 to 4/3/26 | 9 pm to 5 amUS 183 NB Frontage Roads
A nightly single various lane closure will occur on EB Braker Ln approaching NB US-183 FR to SB US-183 FR.
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3/9/26 to 4/3/26 | 9 pm to 5 amUS 183 SB Frontage Roads
A nightly single various lane closure will occur on WB Braker Ln approaching SB US-183 FR to NB US-183 FR.
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3/9/26 to 4/3/26 | 9 pm to 5 amUS 183 NB Mainlanes
A nightly 2 various lane closure will occur on SB US-183 ML approaching RM 620 to Loop 360.
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3/20/26 to 4/1/26 | 9 pm to 5 amUS 183 SB Frontage RoadsA nightly 2 various lane closure will occur on SB US-183 FR between Duval Rd and Loop 360.
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3/25/26 to 4/4/26 | 9 pm to 5 amUS 183 NB Frontage Roads
FULL CLOSURE - A closure will occur overnight on EB/WB Pond Springs between NB/SB US-183 FR. EB traffic will detour to McNeil/ Spicewood Springs and WB traffic to Anderson Mill NB/SB U-Turn.
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.