Project Details
- Location
- Stanislaus County, CA
- Contract Cost
- $22,525,410.00
- Date of Commencement
- February 2024
- Date of Completion
- In progress
- Project Owner
- Department of Transportation (DOT) - Caltrans
- Contract Number
- 10-1C2704
- Type of Contract
- Design Bid Build (DBB)
Project Description
TSI Engineering served as the prime contractor for the complete replacement of the Westley Safety Roadside Rest Area along Interstate 5. This federally funded, building-construction project involved full demolition and reconstruction of a high-traffic public facility adjacent to an active state highway corridor.
Delivered under a 310 working-day schedule, the project required disciplined coordination, environmental compliance, and multi-discipline construction management.
Scope Highlights
- Full site demolition, grading, and roadway reconstruction
- Aggregate base, Hot Mix Asphalt, and Open Graded Friction Course paving
- Drainage systems and permeable material installation
- ADA-compliant concrete curbs, ramps, and walkways
- SWPPP implementation and erosion control systems
- Complete landscape and irrigation systems (1,300+ plants installed)
- Precast architectural walls, benches, picnic tables, and site furnishings
- Electrical and utility infrastructure integration
- Comprehensive traffic control adjacent to live I-5 traffic
Performance
- 18% DBE participation achieved
- Federal training program supported (13 trainees/apprentices)
- Full compliance with Caltrans 2023 Standards and federal requirements




