The city of Round Rock has several ongoing transportation projects happening throughout the city. Check out some of the latest updates on road construction.
Upcoming projects
Traffic signal at Chandler Creek and Kenney Fort Boulevard
Project: A traffic signal and pedestrian improvements are planned at the intersection of Chandler Creek and Kenney Fort Boulevards, utilizing the existing road configuration.
Update: The project is in the engineering and design phase.
- Timeline: Design completion expected fall 2026
- Cost: $156,445
- Funding source: type B sales tax revenue
Roundabout at Sam Bass Road, Hairy Man Road Intersection
Project: A roundabout will be added to the intersection of Sam Bass and Hairy Man Roads to improve traffic flow and safety.
Update: Project design is 60% complete.
- Timeline: TBD
- Cost: TBD
- Funding source: TBD
Ongoing projects
Mays Street Bridge wall stabilization
Project: The project includes constructing ground anchors to stabilize retaining walls; and replacing the roadway approach and sidewalks.
Update: Construction below the bridge is complete and improvements on top of the bridge began in February.
- Timeline: completion expected by summer 2026
- Cost: $2 million
- Funding source: type B sales tax revenue
Chisholm Trail South improvements
Project: The city is reconstructing Chisholm Trail Road from Sam Bass Road to RM 620, with drainage, pedestrian and lighting improvements.
Update: Construction recently resumed, while pedestrian improvements are under design. In February, traffic was temporarily rerouted to address utility issues.
- Timeline: roadway completion expected in summer 2026
- Cost: $4.26 million for construction
- Funding source: type B sales tax revenue
Greenlawn Boulevard widening
Project: The city is reconstructing Greenlawn Boulevard from an existing four-lane divided roadway to a six-lane divided urban roadway with pedestrian and lighting improvements.
Update: The traffic pattern was adjusted in March, reducing a portion of Greenlawn Boulevard to one lane in each direction.
- Timeline: completion is expected by April 2027
- Cost: $13.95 million
- Funding source: type B sales tax revenue
Gattis School Road segment 6
Project: This project will widen the existing four-lane roadway to a six-lane arterial thoroughfare with a raised median between Via Sonoma Trail and Red Bud Lane.
Update: Construction began in February, reducing the road from four lanes to two for the first phase of construction.
- Timeline: completion in late 2027
- Cost: $20.4 million
- Funding source: type B sales tax revenue
Wyoming Springs extension
Project: The project includes a new four-lane divided roadway with shared use paths, extending over Brushy Creek from Creek Bend Boulevard to Old Settlers Boulevard.
Update: Crews began placing traffic signal arms at the road’s intersections with Creek Bend Boulevard and Old Settlers Boulevard in April.
- Timeline: completion scheduled for fall 2026
- Cost: $29.7 million
- Funding sources: type B sales tax revenue, certificate of obligation bonds, Williamson County contributions.
County Road 112 widening
Project: A six-lane divided roadway with a center median pedestrian facilities and gutter drainage from A.W. Grimes to CR 117 will be built.
Update: The southbound side of the roadway is complete, and the traffic switch is in place.
- Timeline: completion scheduled for fall 2026
- Cost: $54.5 million
- Funding sources: developer contributions, type B sales tax revenue, certificate of obligation bonds, Williamson County contributions
Red Bud Lane North widening
Project: The project includes upgrading an existing two-lane road to a four-lane divided roadway with intersection and pedestrian improvements.
Update: All work on the northbound lanes is expected to be completed by the end of summer, with construction on southbound lanes to begin soon.
- Timeline: completion scheduled spring 2027
- Cost: $34.7 million
- Funding sources: developer contributions, type B sales tax revenue, certificate of obligation bonds
Old Settlers Extension
Project: A new four-lane divided segment of Old Settlers Boulevard will be built, including a bridge, connecting North Red Bud Lane to County Road 110.
Update: Crews began working on concrete paving, sidewalk construction and wiring placement for street light poles in January. A traffic signal will be installed at CR 110.
- Timeline: completion scheduled spring 2026
- Cost: $23.4 million
- Funding sources: developer contributions, type B sales tax revenue, certificate of obligation bonds, Williamson County contributions