Interactive Regional Map
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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)
- 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.
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.
- Phase: Construction
- Length: TBD
- Special Features: TBD
- Cost: TBD
- Connections: TBD
Click here for a map of the City of Austin's Urban Trails network. (Opens in a new tab/window)
- 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.
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.
- Phase: Open
- Project Cost: $743 Million
- Project Length: 8 miles
- Opening Date: Phase I/North End – 2019; Phase II/South End – 2021
- Speed Limit: 75
- Shared Use Path: 10 miles
- 2022 Daily Traffic: 65,233
- More Information (Opens in a new tab/window)
- View Toll Rates (Opens in a new tab/window)
- 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.
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.
- Phase: Open
- Length: 10 miles
- Special Features: Informational signage will be at 12 locations, parking and exercise equipment, picnic tables and extensive landscaping for the community to enjoy at trail heads.
- Cost: $25 million
- View 183 Trail information (Opens in a new tab/window)
- Connections: Connections to the 290 Toll and 71 Toll SUP facilities, as well as
the Lance Armstrong Bikeway and the Walnut Creek Trail.
Click here for a map of the City of Austin's Urban Trails network. (Opens in a new tab/window)
- 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.
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.
- Phase: Construction
- Project Cost: $260 Million
- Project Length: 6.6 miles
- Opening Date: 2025
- Toll Rate: TBD
- Shared Use Path: 4.6 Miles
- More Information (Opens in a new tab/window)
- 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.
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
- 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.
- Phase: Open
- Project Cost: $349 Million
- Project Length: Total 11.6 miles (Phase I: Tolled 4.5 miles, Frontage Roads 7.1 miles; Phase II: Tolled 5 miles)
- Opening Date: Phase I - 2007, Phase II - 2012
- Speed Limit: 75 MPH
- Shared Use Path: 7 miles
- 2022 Daily Traffic: 86,729
- More Information (Opens in a new tab/window)
- View Toll Rates (Opens in a new tab/window)
- 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
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.
- Phase: Open
- Length: 7 miles
- Special Features: Pedestrian bridge crossing at Brushy Creek
- Cost: $6.5 million
- View 183A Trail information (Opens in a new tab/window)
- Connections: Connections to the Williamson County’s Brushy Creek Regional Trail
and to the Cedar Park Recreation Center via a path at Whitestone Boulevard.
Click here for a map of the City of Austin's Urban Trails network. (Opens in a new tab/window)
- 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.
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)
- 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.
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.
- Phase: Open
- Length: 4.5 miles
- Special Features: Bilingual, augmented reality mobile app and educational signage
- Cost: $3 million
- View 45SW Trail information (Opens in a new tab/window)
- Connections: This world-class SUP was designed in concert with the
establishment of the Hill Country Conservancy’s future regional Violet Crown Trail, a 30-mile
trail system that will provide a unique combination of recreational experiences in urban
wildlands.
Click here for a map of the City of Austin's Urban Trails network. (Opens in a new tab/window)
- 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.
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.
- Phase: Open
- Project Cost: $140 Million
- Project Length: 4 miles
- Opening Date: 2017
- Speed Limit: 65 MPH
- Shared Use Path: 5 miles
- 2022 Daily Traffic: 28,074
- More Information (Opens in a new tab/window)
- View Toll Rates (Opens in a new tab/window)
- 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.
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.
- Phase: Open
- Length: 5 miles
- Special Features: Located near Austin Bergstrom International Airport
- Cost: $2.2 million
- View 71 Trail information (Opens in a new tab/window)
- Connections: Connections to the 183 Trail
Click here for a map of the City of Austin's Urban Trails network. (Opens in a new tab/window)
- 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.
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.
- Phase: Construction
- Project Cost: $10 million
- More Information (Opens in a new tab/window)
- Due to weaving associated with the current entrance ramp configuration, only 60 percent of existing capacity is being utilized during peak hour traffic
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.
- Phase: Open
- Project Cost: $222 Million
- Project Length: 11 miles
- Opening Date: Fully Open to Traffic as of October 2017
- Speed Limit: Minimum Speed of 55 MPH; Maximum Speed of 70 MPH
- Toll Rate: Variable
- Shared Use Path: 3.5 miles
- 2022 Daily Traffic:
- Express Lane: 22,438
- General-purpose Lanes : 145,742
- More Information (Opens in a new tab/window)
- View Toll Rates (Opens in a new tab/window)
- 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.
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.
- Phase: Open
- Length: 3.5 miles
- Special Features: Extensive bike/ped infrastructure improvements added in addition to the SUP
- Cost: $5 million
- View MoPac Trail information (Opens in a new tab/window)
- Connections: Connections to Walnut Creek Trail and Shoal Creek Trail
Click here for a map of the City of Austin's Urban Trails network. (Opens in a new tab/window)
- 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.
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.
- Phase: Under Study
- Project Cost: TBD
- Project Length: 8 miles
- Environmental Decision Date: TBD
- More Information (Opens in a new tab/window)
- 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.
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.
- Phase: Open
- Project Cost: $402 Million
- Project Length: 6.2 miles (Phase I - Four flyovers at US 183; Phase II - Tolled 6.2 miles)
- Opening Date: Phase I - 2012, Phase II - 2014, Phase III - 2021
- Speed Limit: 60 MPH
- Shared Use Path: 5 miles
- 2022 Daily Traffic: 59,189
- More Information (Opens in a new tab/window)
- View Toll Rates (Opens in a new tab/window)
- 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.
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.
- Phase: Open
- Length: 5 miles
- Special Features: A dedicated bridge at the Walnut Creek Tributary
- Cost: $4.5 million
- View 290 Trail information (Opens in a new tab/window)
- Connections: Connections to Walnut Creek and 183 Trail SUP
Click here for a map of the City of Austin's Urban Trails network. (Opens in a new tab/window)
- 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.