Several mountain routes closed by winter storm in U.S. California

LOS ANGELES, Dec. 27 (Xinhua) -- Interstate 80 and U.S. Route 50, two key highways linking the west and east of the United States, were closed in the mountainous areas of Northern California due to a strong winter storm battering the state on Monday.

Interstate 80 is a transcontinental freeway from downtown San Francisco of California to Teaneck of New Jersey, in the New York metropolitan area. Local authorities