Our system of roadway projects is designed to bring you faster, safer and more reliable drive times throughout Central Texas and reconnect communities, businesses and families. And we’re talking about all drivers; we are committed to providing a choice. Those who prefer the non-tolled frontage roads also enjoy an improved commute experience. Our sustainable mobility options give time back to residents so they have more opportunity to do and see the things they value and love.

Explore the sites below for more information on our projects, which are designed to meet the diverse mobility needs of our fast-growing region.

183A Phase III

Proposal for proactive congestion relief in a fast growing area that will enhance mobility by extending the 183A Toll north from Hero Way to north of SH 29. The 6-mile proposed tollway will have up to three lanes in each direction.

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183 North

Adding capacity with construction of two variably-priced express lanes in each direction in the existing median along a 9-mile stretch of US 183 in northwest Austin; including connections to adjacent roadways and the MoPac Express Lanes.

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MoPac South

Proposal to manage congestion and improve mobility with addition of one to two variably-priced express lanes in each direction along approximately eight miles of MoPac south of downtown between Cesar Chavez and Slaughter Lane.

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Barton Skyway Ramp Relief Project

Project to add pavement for auxiliary and merge lanes on southbound MoPac at the Bee Cave Road and Barton Skyway entrance ramps. 

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183A Added Capacity Project

Proposal for the addition of a fourth lane in the median of 183A Toll between RM 620 and Hero Way.

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Travis County Projects

Travis County has enlisted the services of the Mobility Authority to expedite the delivery of several projects in the Capital Improvement Program.

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ENVIRONMENTAL PROCESS

The MoPac South Project is currently under environmental review. Click the download below to learn more about the environmental process we follow.

Environmental Process
  1. CTRMA Environmental Process Chart

MOBILITY AUTHORITY INTERACTIVE SYSTEM MAP

CTRMA Interactive Map Map of CTRMA Toll Lanes and Trails 183 Toll Road 71 Toll 290 Toll (Manor Expressway) Phase I & II State Highway 45 Southwest Toll Mopac South Environmental Study Barton Skyway Ramp Relief Project MoPac Express Lane 183 North Toll 183A Toll Phases I and II 183A Toll Phases III

Select either the toll project or trail button below to view information for each project

183 North Mobility Project

The 183 North Mobility Project includes construction of two express lanes in each direction along a 9-mile stretch of US 183 between SH 45/RM 620 and State Loop 1 (MoPac), the addition of a general-purpose lane in each direction where required to bring the total number to four, direct connectors from the new US 183 Express Lanes to the MoPac Express Lane and associated operational improvements along southbound MoPac, shared use path connections, new sidewalks, and cross-street improvements for bicycles/pedestrians.

  • Phase: Construction
  • Project Cost: $612 Million
  • Project Length: Approx. 9 miles along US 183
  • Construction Start: Early 2022
  • Opening Date: 2026
  • Toll Rate: Variable
  • Shared Use Path: 1 mile (TBD)
  • More Information (Opens in a new tab/window)
DID YOU KNOW?
  • Average southbound speed on US 183 between SH 45N & MoPac is 43 mph. That's expected to be 10 mph by 2035 if we don't build 183 North.
  • By building 183 North, we expect travel time reductions in the Express Lanes of 41 minutes for morning commutes and 34 minutes for evening commutes.
  • Non-tolled lanes along 183 North will see benefits as well with a travel time reduction of 24 minutes for the morning peak period and 16 minutes for the evening peak period.
  • We're investing more than $5 million for safe connectivity for bicyclists and pedestrians throughout the 183 North corridor.
Cars driving on an interstate

The 183 North Mobility Project limits the proposed roadway improvements to within the existing right-of-way.

Cars driving on an interstate

Traffic congestion along the existing US 183 corridor.

Cars driving on an interstate

The intersection of US 183 and Braker lane prior to construction.

183 North Shared Use Path

As a part of the 183 North Mobility Project, the Mobility Authority will construct an 8-foot-wide shared use path (SUP) to connect the Jollyville Road bike lanes to the bike lanes on Pond Springs, a distance of approximately 1,600 feet, as well as an 8-foot-wide shared use path from bike lanes on Pond Springs to the bike lanes on Lake Creek Parkway adjacent to the US 183 northbound frontage road, a distance of approximately 2,600 feet.

DID YOU KNOW?
  • The project will add ADA-compliant sidewalks along the US 183 northbound and southbound frontage roads from RM 620/SH 45N to Loop 360 in locations where sidewalks do not currently exist.
  • Additional cross street connections for bicyclists consisting of 5-foot bike lanes in each direction will be created by re-striping the existing cross street pavement to narrow the traffic lanes to 11 feet each.
Shared use path under construction

Select either the toll project or trail button below to view information for each project

183 Toll

The 183 Toll Road is an 8-mile toll road that includes three tolled lanes and up to three non-tolled general-purpose lanes in each direction from US 290 to SH 71. The project tripled the previous capacity of US 183 added pedestrian and bicycle facilities, and aesthetic enhancements.

DID YOU KNOW?
  • There are pedestrian bridges across US 183 at Purple Sage Drive, 51st Street, and Bolm Road. These are part of the $25 million investment into pedestrian and bicyclist accommodations on the corridor.
  • You'll see signature "Delta Portal Bents" supporting bridge structures along the corridor. This design is unique to the 183 South Project.
Pedestrian bridge over a highway.

51st Street Pedestrian Bridge.

Person riding a bike on a pedestrian bridge.

Pedestrian bridge at dusk

Cars driving on a highway

Shared Use Path

Organ Pipe Pedestrian Barrier along corridor

Organ Pipe Pedestrian Barrier along corridor

183 Toll near SH 71

183 Toll near SH 71

183 Toll and 51st Street Pedestrian Bridge

183 Toll and 51st Street Pedestrian Bridge

183 Toll at FM969/MLK Jr Boulevard

183 Toll at FM969/MLK Jr Boulevard

183 Trail

The Mobility Authority is committed to improving safety and invested $25 million in bicycle and pedestrian improvements along the corridor. In addition to 10 miles of shared use path (SUP), the Mobility Authority also added 7 miles of 6-foot-wide sidewalks and 16 miles of 5-foot-wide bike lanes. Along the trail, informative signage will be incorporated to celebrate the history and culture of East Austin.

DID YOU KNOW?
  • Trailheads are located at 51st Street, Boggy Creek, and Levander Loop connecting to the Southern Walnut Creek Trail and Lance Armstrong Bikeway.
  • To further enhance the 183 Trail experience, 11 augmented reality experiences have been added to the signage at three locations along the trail. Users can watch a Tejano band play a personal concert, unlock a life-size local Austin mural, and so much more.
  • Pedestrian bridge crossings over US 183 are located near Manor Road/Springdale Road, 51st Street, and Bolm Road.
  • Aesthetic pedestrian fencing was added at various locations to encourage use of pedestrian bridges.
  • The historic Montopolis Bridge was decommissioned for vehicle traffic, restored and transformed into a beautiful pedestrian crossing for the benefit of the public.
  • A pocket park was constructed at the northwestern corner of US 183 and Martin Luther King Jr. Boulevard.
A bridge.

Person riding a bike on a shared use path.

Shared use path over a highway.

Trail signage north of the Montopolis Truss Bridge

Trail signage north of the Montopolis Truss Bridge

Landscaping and exercise equipment at the 51st Street Trailhead

Landscaping and exercise equipment at the 51st Street Trailhead

Trail signage at Freedom Park

Trail signage at Freedom Park

Select either the toll project or trail button below to view information for each project

183A Toll Phase III

The Mobility Authority is constructing a 5.3-mile extension of the 183A Toll Road from Hero Way to north of SH 29 to improve mobility for residents of Cedar Park, Leander, and Liberty Hill. The project will add two tolled lanes in each direction primarily within the existing right-of-way of the US 183 corridor. Together with the associated access ramps, frontage road improvements and transitions, the overall project length will be approximately 6.6 miles. Construction began in 2021.

DID YOU KNOW?
  • With unprecedented growth in Williamson County, most notably in Cedar Park, Leander, and Liberty Hill, traffic volumes along US 183 are expected to increase 183% by 2042.
Construction at the San Gabriel River

Construction at the San Gabriel River

Large wall being built along hwy

Construction of retaining walls along the corridor

183A Phase III Shared Use Path

The 183A Phase III Project will include a 10-foot-wide shared use path for bicycle and pedestrian use form Hero Way to Seward Junction Loop.

  • Phase: Construction
  • Length: 4.6 miles
  • Special Features: Scenic bridge crossing the San Gabriel River
  • Connections: Connections to existing 183A Trail at Hero Way
DID YOU KNOW?
  • A connecting shared use path will provide trail access to the City of Leander’s planned Leander Municipal Athletic Center.

Select either the toll project or trail button below to view information for each project

183A Toll Phases I and II

The 183A Toll is an 11.6-mile roadway extending from northwest Austin through Cedar Park and Leander in northwest Williamson County. The project, which consists of tolled mainlanes with non-tolled frontage roads at the north end, has significantly improved travel times and reduced traffic on adjacent roadways, including US 183.

DID YOU KNOW?
  • Compared to US 183 prior to construction of the 183A Toll Road, average travel time was reduced by approximately 15 minutes; a time reduction of over 75%
  • Estimated annual fuel savings per vehicle of 108 gallons with an annual cost savings of $281
  • Total estimated annual fuel savings of 664,723 gallons with cost savings of $1,728,280
  • All emissions and fuel consumption were reduced for both peak and off-peak hours
Shared Use Path

Exercise equipment on the Shared Use Path on 183A Toll

Cars driving on toll road

View of 183A Toll from toll gantry bridge

Cars driving on toll road

Drivers using the 183A Toll Road

Shared Use Path

Shared Use Path trailhead at Brushy Creek

Commuters driving on interstate

183A Toll Near the HEB Cedar Park Center

Commuters driving on interstate

Commuters on the non-tolled access road along 183A Toll

Cars driving at night

Driver turning on 183A Toll at night

Cars driving at night

Timelapse of traffic at night on 183A Toll

183A Toll Gantry

183A Toll Gantry

183A Trail

The 183A Shared Use Path (SUP) is a 7-mile-long shared use path bordering 183A, an 11.6-mile toll road. The path stretches from South Brushy Creek to Hero Way and includes a trailhead, as well as a pedestrian bridge that crosses Brushy Creek to connect with Williamson County’s Brushy Creek Regional Trail. The 183A Phase III Project will extend the shared use path northward from Hero Way to Seward Junction Loop.

DID YOU KNOW?
  • The 183A SUP represents a $6.5 million investment in bicycle and pedestrian accommodations by the Mobility Authority.
  • The 10-foot-wide facility is separated from the roadway, allowing cyclists and pedestrians to travel the corridor safely.
  • Outdoor exercise equipment can be found along the trail.
  • Trail users do not have to take the 183A Toll to access the trail and can instead access the Brushy Creek Trailhead using the southbound general-purpose lanes from Brushy Creek Road/Cypress Creek Road adjacent to the toll.
Man working out

Woman walking on a bridge

Shared use path next to a highway

Regional Mobility Authority building

Select either the toll project or trail button below to view information for each project

45SW Toll

45SW is an innovative four-lane toll road built on state property between MoPac and FM 1626 that is bringing relief to the rapidly growing area of northern Hays and southern Travis counties. This project balances environmental sensitivity with new infrastructure to manage congestion in the region. 45SW includes a 4.5-mile, ten-foot-wide shared use path (SUP), the 45SW Trail, that is an important link for the Violet Crown Trail, a future 30-mile urban trail system. 45SW Trail also fosters environmental stewardship through educational signage and an augmented reality mobile app that teaches the community about the importance of the Texas Hill Country and Edwards Aquifer.

  • Phase: Open
  • Project Cost: $108 Million
  • Project Length: 3.6 miles
  • Opening Date: June 2019
  • Toll Rate: $1, Higher rates apply for Pay By Mail
  • Shared Use Path: 4.5 miles
  • 2022 Daily Traffic: 22,537
  • View Toll Rates (Opens in a new tab/window)
DID YOU KNOW?
  • 45SW opened to traffic on June 1, 2019 and now more than 13,000 cars use the road each weekday.
  • Traffic volume on Brodie Lane has dropped by 32% since 45SW opened.
  • 45SW features a beautiful shared use path with informational signage that informs pedestrians and bikers about the history and wildlife of the region. A corresponding mobile app, Trail Explorer by CTRMA, combines audio narration in English and Spanish, as well as innovative augmented reality features to further the benefits of the trail signage. The app engages users on the historical and environmental treasure that is the Edwards Aquifer to cultivate conservation.
  • The 45SW Toll Road has received 10 industry awards, including the Engineering News-Record’s Regional Green Project of the Year Award (Texas/Louisiana), International Partnering Institute’s Collaborative Project Award and the National Asphalt Pavement Association’s Quality in Construction Award, all of which are testament to the high standard of quality that guided the development of this innovative project, and leadership in the transportation industry and a National Asphalt Pavement Association Quality in Construction award for advanced paving methods to achieve optimal ride-quality control.
Person riding bicycle on shared use path.

The 45SW Trail is a 4.5-mile paved shared use path offering multimodal travel options.

Augmented Reality images on shared use path.

The Augmented Reality function in the Trail Explorer app brings prehistoric giants of the Edwards Aquifer.

Cars driving on interstate.

45SW opened to traffic on June 1, 2019.

Group of people at event

Ribbon cutting at the Grand Opening Jubilee event.

Shared use path

Hill Country Classroom segment of the 45SW Trail

Drone photo of an interstate

Drivers can access 45SW from FM 1626

Drone photo of an interstate

MoPac Interchange and Trailhead

45SW Trail

The 45SW Trail, a 4.5-mile shared use path (SUP) that extends from MoPac to FM 1626, is heavily trafficked by bicyclists and pedestrians alike. It offers a secure and expansive facility for the public. Wayfinding monuments with maps are located at key decision points along the trail to ensure a safe and comprehendible journey. The Mobility Authority installed 14 informative and visually engaging signs along the 45SW Trail to share the rich history and natural wonders of the Texas Hill Country and Edwards Aquifer, including how the community can help protect the region’s water source.

DID YOU KNOW?
  • On the 45SW Trail, the Mobility Authority invested in a corresponding free mobile app – Trail Explorer by CTRMA – which includes cutting-edge augmented reality technology and accompanies the public down the trail, improving the experience by adding interactive activities and audio narration for the signs in both English and Spanish. This bilingual approach helps ensure that language isn’t a barrier for enjoyment of the trail’s added amenities.
  • Set back from the main trail, Hill Country Classroom is a shady alcove featuring signs about plants, animals, butterflies and historic figures of the region.
  • The Mobility Authority strengthened 45SW Trail’s educational and conservationist elements through collaboration with multiple counties and environmentally-focused organizations such as the Hill Country Conservancy and the Lady Bird Johnson Wildflower Center. This ensured that the most informative and engaging content was depicted on the trail in order to teach participants about the area and the key role of the Edwards Aquifer, cultivating future environmental stewards.
 shared use path

 shared use path

 shared use path

 shared use path

 shared use path

Select either the toll project or trail button below to view information for each project

71 Toll Lane

SH 71 serves as a major corridor connecting drivers to the Austin-Bergstrom International Airport (ABIA), the city of Bastrop, and points beyond. The 71 Toll Lane project added a toll lane in each direction along SH 71 from near Presidential Boulevard at ABIA and extending east near SH 130. These new lanes offer a free-flowing and reliable bypass route for through-traffic, especially during peak hour congestion.

DID YOU KNOW?
  • The 71 Toll Lane is estimated to reduce travel times by 54 percent by 2026.
  • The 71 Trail connects to the 183 Trail, providing greater mobility for cyclists and pedestrians in east Austin.
Cars driving on interstate

SH 71/SH 130 Interchange (September 2017)

Intersection at night

71 Toll Overpass Bridge at Presidential Boulevard (September 2017)

Cars driving on interstate during the evening

71 Toll Westbound at FM 973 Bypass (September 2017)

Cars driving on interstate during the evening

71 Toll Eastbound at Last Free Exit (September 2017)

SH 71 Shared Use Path near FM 973

SH 71 Shared Use Path near FM 973

71 Toll Westbound near Austin-Bergstrom International Airport

71 Toll Westbound near Austin-Bergstrom International Airport

71 Trail

The 71 Trail provides greater mobility for cyclists and pedestrians in east Austin with a 10-foot-wide 5-mile long shared use path (SUP) that is separated from the roadway and includes about 2 miles of new sidewalk near Austin Bergstrom International Airport.

DID YOU KNOW?
  • This trail represents a $2.2 million investment in bicycle and pedestrian facilities by the Mobility Authority.
  • The trail will provide connection to the future Travis County Onion Creek Greenway Trail.
  • The trail is easily accessed from neighboring communities, businesses and the Austin-Bergstrom International Airport.
Woman running on Shared Use Path

Shared Use Path

Shared Use Path

Barton Skyway Ramp Relief Project

The southbound MoPac corridor near Barton Skyway in Austin is plagued by significant congestion issues. The Project’s non-tolled improvements include adding pavement for auxiliary and merge lanes on southbound MoPac at the Bee Caves Road and Barton Skyway entrance ramps. This intends to alleviate congestion at Winsted Lane, Enfield Road, Bee Caves Road, and Barton Skyway, and improve travel time throughout the corridor.

DID YOU KNOW?
  • Due to weaving associated with the current entrance ramp configuration, only 60 percent of existing capacity is being utilized during peak hour traffic
Cars in congested traffic on an interstate

Select either the toll project or trail button below to view information for each project

MoPac Express Lane

The MoPac Express Lane gives drivers the option to bypass congestion on the 11-mile stretch of MoPac from Cesar Chavez Street to Parmer Lane by adding an Express Lane in each direction. The project was created as an effort to address the corridor’s mobility problem and takes into account the needs of drivers, transit riders, pedestrians, bicyclists, and preserves quality of life for surrounding neighbors.

DID YOU KNOW?
  • By 2035, MoPac is projected to serve more than 222,000 cars a day.
  • In 2019, 46% of drivers used the MoPac Express Lanes only once, and 77% used it less than 5 times. This shows that most drivers use the lane only when they need it most, as projected.
  • According to CapMetro data, monthly ridership for the Express Bus, which utilizes the Express Lane, increased 66% from FY 2018 to 2019.
  • In 2019, drivers choosing the Express Lane during morning and afternoon rush hours move up to 19 miles per hour faster and save up to 14 minutes in travel time.
  • The MoPac Express Lane carried up to 1,600 vehicles per hour, freeing up capacity in the non-tolled lanes in 2019.
Drone photo of cars on interstate driving at sunrise.

Vehicles driving on interstate.

Northbound and Southbound MoPac Express Lanes near the RM 2222 exit.

Vehicles driving on interstate.

Northbound and Southbound Express Lanes.

Vehicles driving on interstate at night.

Time Lapse of Cesar Chavez Northbound Entrance Ramp.

Vehicles driving on interstate.

CapMetro's MetroExpress bus on the Northbound Express Lane and drivers on MoPac.

Vehicles driving on interstate.

Drivers traveling northbound on MoPac near 35th Street.

Vehicles driving on interstate with train traveling alongside.

Drivers on MoPac and train traveling on Union Pacific Railroad near Westover Road.

Vehicles driving on interstate.

CapMetro's MetroExpress bus utilizing MoPac Express Lane.

Vehicles driving on interstate.

Drivers exiting Southbound MoPac Express Lanes at RM 2222.

Access Points (Entrance and Exit Locations):

  • North: near Parmer Lane
  • Central: between Far West Boulevard and RM 2222
  • South: at Cesar Chavez Street and 5th Street

MoPac Trail

With the MoPac corridor providing a faster way to and from downtown Austin, the Mobility Authority made sure bicyclists and pedestrians experienced improvements as well by adding a parallel 10-foot wide, 3.5-mile long shared use path (SUP), 4 miles of sidewalks, and ADA-compliant improvements to the east-west connections at 13 MoPac cross streets.

DID YOU KNOW?
  • The MoPac Trail closed commuter gaps in the existing network of bicycle facilities between Parmer Lane and the Colorado River in downtown Austin.
  • Two miles of the shared use path run on the west side of the roadway from the Walnut Creek Trail to the north end of Loop 360.
  • One mile of the path crosses through the US 183 interchange and links Shoal Creek Boulevard to Neils Thompson Drive.
  • The project also includes 4 miles of new sidewalk, curb ramps and pedestrian signal heads along the frontage roads between Parmer Lane and Anderson Lane.
Shared Use Path.

Person walking on Shared Use Path.

Shared Use Path.

Shared Use Path under interstate.

Shared Use Path bridge.

Mopac South Environmental Study

The MoPac Expressway south of Cesar Chavez Street provides a critical link to downtown Austin and other major highways. An Environmental Assessment is being prepared by the Mobility Authority with support from TxDOT to identify a solution that improves safety and mobility for drivers, transit riders, bicyclists and pedestrians in a manner that promotes environmental stewardship and sustainability.

DID YOU KNOW?
  • Consistently ranked as one of Texas' 100 most congested roadways (Texas A&M Transportation Institute, 2021), the corridor attracts up to 179,000 cars and trucks per day.
  • The project was the recipient of RIDER 42 funds designed to get the state's highest-priority roadway projects moving.
Vehicles driving on interstate in a traffic jam.

Vehicles driving on interstate in a traffic jam.

Vehicles driving on interstate in a traffic jam.

Cars driving on the interstate. One side is backed up and slowed down.

Cars in slow traffic on an interstate

Select either the toll project or trail button below to view information for each project

290 Toll

The 290 Toll Road is a 6.2-mile toll road that includes three tolled lanes and three non-tolled general purpose lanes in each direction from US 183 to east of Parmer Lane. 290 Toll upgraded the existing US 290 to a new expressway facility, effectively tripling capacity while preserving the non-tolled lanes.

DID YOU KNOW?
  • During peak hours, 53% of traffic on US 290 chooses to travel 290 Toll.
  • In a public opinion survey, 85% of those polled said they are satisfied with their driving experience on 290 Toll.
  • Drivers on 290 Toll averaged 50% less travel time in 2015 peak hours compared with pre-construction travel times.
Highway signage, cars driving on interstate.

Drivers heading west on the 290 Toll.

Shared Use Path next to interstate.

Shared Use Path for pedestrians and cyclists along 290 Toll.

Sunset, cars driving on interstate, bridges.

Sunset view at 290 Toll Overpass

Interstate signs, cars driving on interstate

Eastbound on 290 Toll

290 Trail

The 5-mile-long shared use path (SUP) along US 290 Toll Road is a 10-foot-wide parallel path which borders the south side of the 290 Toll frontage road from the US 183 interchange to east of SH 130. With connections to Walnut Creek and 183 Toll Road shared use paths, this SUP is a vital mobility link for the area. The 290 Toll Road project also added new sidewalks and a dedicated bridge at the Walnut Creek Tributary.

DID YOU KNOW?
  • The 10-foot-wide shared use path is separated from the roadway, allowing cyclists and pedestrians to travel the corridor safely.
  • The SUP represents a $4.5 million investment in bicycle and pedestrian facilities.
  • While there is no dedicated trailhead, accessing the trail can be done easily by connecting from neighboring communities and businesses.
Woman running and a child riding a bike.

Person riding a bike.

Shared use path next to a highway.

A static regional map is available for download here

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