. >> reporter: let's give peggy kudos, too from woodbridge up northern virginia, maryland. we've got it covered. i want to do something instructive about what topper is talking about on black ice. i'm in bowie. it's blacktop out here on the road, but in this little parking lot it's also blacktop except it's covered in ice. out on the road it's been salted. it looks wet. it is wet. here it has been salted and plowed and looks went, but it's ice. we have been putting the mobile in these mobile newsrooms today. i've traveled from central maryland and frederick down to charles county and the clean-up is well underway now and that's important. here's a shot from waldorf just to get started. a so-called plow train, six trucks in a row, take a swipe at u.s. 301 through the heart of waldorf. as the snow lightened the focus turned to quick clean-up and drivers noticed. >> it's a little nasty right now, but later on it will be pretty good. they're getting the roads together. >> reporter: but at the home depot in waldorf they are out of salt and ice melting chemicals. they do have ple