Highway 140 closure set for Oct. 16 special event

Closure scheduled for Oct. 16

Caltrans has scheduled a closure on Highway 140 in Mariposa County for a special event on Friday, Oct. 16, 2026. The advisory identifies the highway and county affected, along with the date of the planned closure.

The closure is a traffic change connected to the event. Travelers using Highway 140 in Mariposa County that day should plan to check the latest Caltrans advisory before leaving, since the timing and any route instructions are important to a safe trip.

What travelers should check

The traffic notice identifies the date of the closure, but motorists should look for the latest Caltrans updates for the specific closure hours, limits and any detour or alternate-route instructions. Those details can affect trips through the area before, during and after the event.

Drivers should also allow extra time if their route uses Highway 140. Checking the road status close to the travel date can help confirm whether the planned closure remains in effect and whether Caltrans has issued additional instructions.

Event-day planning

The closure is scheduled for Oct. 16, 2026. People traveling through Mariposa County that day can review Caltrans traffic information before starting their trip and follow posted directions in the area.

The Sierra Sun Times reported on the Caltrans traffic advisory. No primary Caltrans record is linked here.