South Lamar Boulevard corridor project
South Lamar Boulevard corridor project
Mobility, safety and connectivity improvements are coming to South Lamar Boulevard from Riverside Drive to Ben White Boulevard. The improvements are funded by the 2016 Austin Mobility Bond.
Status: Under Construction
Nov. 2025 Status Update: Construction on a new roundabout at Mary Street and Evergreen Avenue began Sept. 29, 2025. Construction of approximately three miles of corridor mobility improvements are anticipated to begin in early 2026 from Barton Springs Road to Ben White Boulevard.
About the Project
Current Work Zone
Scope of Project
The new roundabout will:
- improve safety and traffic flow at the intersection
- Add pedestrian crossings at each leg of the roundabout
- Include shared-use paths for people walking and biking
Construction Timeline & Impacts:
- Work is expected to last through March 2026
- Construction will take place at the intersection of Mary Street and Evergreen Avenue and will extend along each leg of the intersection along Mary Street and Evergreen Avenue
- Access to homes and businesses will be maintained at all times
- Drivers, cyclists, and pedestrians should expect phased lane closures and detours. Signage will guide all users safely around the work zone
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