Delays expected on Highway 29 in St. Helena due to tree work - NVTA Work on St. Helena’s Tunnel of Elms scheduled from Tuesday, Feb. 18, to Thursday, Feb. 28 NAPA COUNTY- Caltrans has scheduled one-way traffic controls on State Route 29 (SR-29) just north of St. Helen...

🦺 Plan extra time if you're traveling through the Tunnel of Elms in St. Helena between Feb. 18-28, 2025. 🚧🌳 Tree work will limit Highway 29 to one lane.
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