​​​IF YOU SEE SPRAYING OF POTENTIALLY TOXIC CHEMICALS/HERBICIDES IN PUBLIC AREAS SUCH AS ALONG ROADSIDES, HIGHWAYS, IN PARKS, AND SCHOOLS, PLEASE report it and we will look into it. Use the form below to provide us with the date, time and location where you saw the spraying. If possible, without compromising your safety, please take a photo or video. Click here to view all the counties in Caltrans District 4.