Round Rock has over $200 million in road work currently under construction, and more future projects planned. Read below to learn more about the transportation projects and check the city's capital improvement projects page to stay up to date.

Ongoing construction

Gattis School Road Segment 3

Project: This project includes expanding the existing four-lane roadway to a six-lane divided road with updated pedestrian and bicycle facilities, turn lanes and other features. This is the first in a series of projects to improve Gattis School Road.

Update: Construction is underway and approximately 50% complete.
  • Timeline: Completion expected in fall 2026
  • Cost: $33 million
  • Funding source: Type B sales tax revenue, Road CO bonds, Texas Department of Transportation loan
Old Settlers Boulevard Extension


Project: Old Settlers Boulevard will connect Red Bud Lane to CR 110, creating a new four-lane roadway with a center median and twin bridges over McNutt Creek.

Update: Construction is underway and approximately 35% complete.
  • Timeline: Completion expected in spring 2026
  • Cost: $23.4 million
  • Funding source: Type B sales tax, Road CO bonds, Williamson County Road Bond Program
Red Bud Lane North

Project: This project will expand the existing two-lane roadway to a four-lane divided road with intersection and pedestrian improvements.

Update: Construction is underway and approximately 10% complete.
  • Timeline: Completion expected in spring 2027
  • Cost: $34.7 million
  • Funding source: Developer contributions, Type B sales tax revenue, Road CO bonds
Wyoming Springs Segment 1


Project: This project will construct a new four-lane divided roadway with shared use paths, extending over Brushy Creek from Creek Bend Boulevard to Old Settlers Boulevard.

Update: Construction began in December 2024 and is approximately 25% complete.
  • Timeline: Completion expected in fall 2026
  • Cost: $25.9 million
  • Funding source: Type B sales tax revenue
Chisholm Trail North Widening

Project: The city is widening the remaining two-lane road section to match the existing five-lane section from North Chisholm Trail to South I-35.

Update: Construction is underway and approximately 72% complete.
  • Timeline: Completion expected in spring 2026
  • Cost: $6.77 million
  • Funding source: Type B sales tax revenue
CR 112 East and West


Project: The city is reconstructing the existing two-lane CR 112 to a six-lane divided roadway with pedestrian facilities.

Update: Construction is underway and approximately 15% complete.
  • Timeline: Completion expected in fall 2026
  • Cost: $54.5 million
  • Funding source: Type B sales tax, roadway impact fees
Harrell Parkway Reconstruction

Project: Along with a major renovation of Old Settlers Park, the project will reconstruct the rural roadway, add left turn lanes, upgrade low water crossings at McNutt Creek and improve lighting and landscaping.

Update: Construction is underway.
  • Timeline: Completion expected in spring 2026
  • Cost: $25 million
  • Funding source: Type B sales tax revenue
Chisholm Trail South


Project:
The project includes full reconstruction of Chisholm Trail Road from Sam Bass Road to RM 620, with drainage, pedestrian and lighting improvements.

Update: Construction is underway as of July 1.
  • Timeline: Expected roadway completion in 2025–2026. Pedestrian improvements TBD.
  • Cost: $4.26 million for construction
  • Funding source: Type B sales tax revenue
Greenlawn Boulevard

Project: This project will reconstruct Greenlawn Boulevard from an existing four-lane divided roadway to a six-lane divided urban roadway including pedestrian and lighting improvements.

Update: Construction contract awarded and expected to begin in summer 2025
  • Timeline: Completion expected in summer 2027
  • Cost: $13.95 million
  • Funding source: Type B sales tax revenue
Mays Street Bridge Wall Stabilization Project


Project: This project includes construction of ground anchors to stabilize retaining walls; replacement of roadway approach, sidewalks, and rail painting.

Update: Construction started in July 2025
  • Timeline: Completion expected by summer 2026
  • Cost: $2 million
  • Funding source: Type B sales tax revenue
Future projects

Kenney Fort Boulevard Segments 5 & 6

Project: This segment will connect Old Settlers Boulevard to University Boulevard and will be a six-lane divided urban facility with signals, bridges, pedestrian elements and lighting.

Update: Under design with 60% completion of design
  • Timeline: Construction expected to begin in early 2026
  • Cost: $4.5 million for design
  • Funding source: Type B sales tax revenue and CO bonds
Hwy. 79 improvements from I-35 to A.W. Grimes Boulevard

Project: This is a long-term project in the very early planning phases that would create a six-lane divided roadway with a raised median and shared-use paths, from I-35 to to just past A.W. Grimes Boulevard. Although this is a TxDOT road, the city of Round Rock is moving forward with design to prioritize this project’s timeline.

Update: City Council approved a $1.3 million contract in February for preliminary engineering work only and the estimated design total at this time is $4 million.
  • Timeline: TBD
  • Cost: TBD
  • Funding source: Type B sales tax revenue
Gattis School Road Segment 6

Project: Reconstruct existing four-lane roadway to six lanes with median, intersection and pedestrian improvements from Via Sonoma Trail to Red Bud Lane.

Update: Design 100% completed and will the project be bid in summer 2025
  • Timeline: Construction expected to begin in fall 2025 and finish in winter 2027
  • Cost: $20 million estimated construction funding
  • Funding source: Road COs and Type B sales tax revenue