April 22, 2017 - Mariposa County – The California Department of Transportation (Caltrans) will perform one-way traffic control on eastbound and westbound State Route 140 at El Portal Road, west of Yosemite National Park, for utility work.
slow for the cone zone caltrans
Crews will begin work on Monday, April 24, 2017, through Friday, April 28, 2017, from 7:00 a.m. until 5:30 p.m.

Motorists should expect 10 minute delays. Alternate routes should be taken whenever possible.

This work is scheduled to begin as listed, but is subject to change due to traffic incidents, weather, availability of equipment and/or materials and construction related issues.

For the safety of workers and other motorists, please Slow For the Cone Zone.
Source: Caltrans