Each year, Caltrans sprinkles about 720 million gallons of drinking water along miles of medians, acres of embankments and anywhere else the highway agency wants to protect its investment in landscaping in San Diego County.
Morgan Cook, San Diego Union-Tribune
Mon, 04/27/2015 - 5:00am
Each year, Caltrans sprinkles about 720 million gallons of drinking water along miles of medians, acres of embankments and anywhere else the highway agency wants to protect its investment in landscaping in San Diego County.