Several road projects have been recently completed or are underway in South Austin. Here’s the latest:

Completed projects

Bluff Springs Road

Project: The project added new traffic signals, protected bikeway connections, pedestrian crossings, transit stops and intersection safety improvements on Bluff Springs Road from William Cannon Drive to the Austin city limits. The area was identified as a priority for construction as Bluff Springs Road saw 59 injuries and three deaths from May 2018 to April 2023.

Update: Crews completed the project in March. The construction improved access to nearby schools, bus stops, parks and stores.
  • Timeline: September 2023-March 2024
  • Cost: TBD
  • Funding source: 2018 and 2022 Mobility Bonds
Ongoing projects

South Congress Avenue and Stassney Lane safety project

Project: The work is the city’s largest intersection safety project to date. Crews are adding new left-turn lanes, bike and pedestrian lanes, signal upgrades, six new bus stops and more improvements.

Update: Lane closures began along South Congress Avenue in mid-April as crews build a new concrete median.
  • Timeline: April 2023-summer 2024
  • Cost: TBD
  • Funding source: City of Austin Mobility Bond and Capital Metro
I-35 Capital Express South project

Project: This involves the reconstruction of bridges, relocation of ramps and the addition of two HOV managed lanes in each direction between Hwy. 71/Ben White Boulevard and SH 45 SE.

Update: Crews are reconstructing the Onion Creek bridge and building bridge beams for the elevated section of managed lanes.
  • Timeline: November 2022-28
  • Cost: $548 million
  • Funding source: TxDOT
William Cannon Drive improvements

Project: This involves adding new travel and shared-use path lanes, updating traffic signals and making drainage improvements on William Cannon Drive from Running Water Drive to McKinney Falls Parkway.

Update: Crews are working on 10 different projects, including adding new traffic signals at Running Water Drive and Janes Ranch Road, making drainage improvements, and building shared-use paths and a new bridge over Marble Creek.
  • Timeline: 2023-26
  • Cost: $21.37 million
  • Funding source: 2016 Mobility Bond
Oak Hill Parkway

Project: Crews will add 27 bridges, construct 14 miles of shared-use paths and widen Hwy. 290 up to 12 lanes from Circle Drive to MoPac.

Update: In April, crews opened the eastbound Hwy. 290 frontage road and mainlanes from William Cannon Drive to Old Fredericksburg Road. Crews are making utility relocations along Hwy. 71 and constructing frontage roads, shared-use paths and a bridge wall along the corridor.
  • Cost: $674 million
  • Timeline: 2021-26
  • Funding source: TxDOT
Upcoming Projects

South First Street and Stassney Lane safety project

Project: Crews will add new protected bike lanes and sidewalks, extend and widen medians, improve access for drivers turning in and out of driveways, and add a new bus stop for southbound routes on Stassney Lane.
  • Timeline: May-December
  • Cost: TBD
  • Funding source: 2018 Bond Intersection Safety and Bikeway Programs