Yosemite National Park Announces the El Portal Road (Highway 140) and the Big Oak Flat Road (Highway 120) are Currently Closed as of Wednesday Evening Details Last Updated: Wednesday, 08 February 2017 17:39 Published: Wednesday, 08 February 2017 17:38 View Comments February 8, 2017 - Yosemite National Park reports the El Portal Road (Highway 140) & the Big Oak Flat Road (Highway 120) are currently closed. Call 209/372-0200 (dial 1, then 1) for road conditions.Source: NPS View the discussion thread. back to top