The new signal sits at the corner of S. Jones Boulevard and W. Levi Avenue. Officials say an average of 11,500 vehicles pass through the intersection each day.
Agencies subject to the Department of Health and Human Services directive include the CDC, the National Institutes of Health and the Food and Drug Administration.
The Culinary Workers Union announced it secured a five-year deal for about 700 employees at Virgin Hotels near the Las Vegas Strip, ending a strike ongoing since November.