Granite wins final segment of Highway 101 upgrade to improve safety and reduce congestion
April 2026 — Granite Construction has secured a $114 million contract to deliver a key segment of the Granite Highway 101 project along California’s Pacific coast.
The Watsonville-based contractor will handle the Segment 4E North portion of the larger highway upgrade between Carpinteria and Santa Barbara.
Final segment of major highway upgrade
The contract marks the final award among seven mainline projects on an 11-mile stretch of Highway 101.
Therefore, this milestone brings the long-planned corridor upgrade closer to completion.
The project is being delivered for Caltrans.
Key improvements to traffic flow
Granite will upgrade a critical section between Hermosillo Road and Salinas Street in Santa Barbara.
The scope includes:
- Replacing existing lanes
- Adding one peak-period carpool lane in each direction
As a result, the project aims to ease congestion during high-traffic hours.
Focus on safety and efficiency
In addition to increasing capacity, the Granite Highway 101 project will improve road safety.
Better lane design and traffic flow will reduce bottlenecks. Moreover, smoother movement will enhance the driving experience for commuters.
Strategic importance of Highway 101
Highway 101 is a major coastal route in California. It supports daily commuting as well as regional freight movement.
Therefore, upgrades along this corridor play a vital role in improving transportation efficiency.
Outlook
With this final segment awarded, the Granite Highway 101 project moves into a critical execution phase.
Once completed, the improvements will deliver safer travel and reduced congestion across one of California’s busiest highways.
