tweeted i started my normal drive to d.c. at 1:00 p.m., 19 hours later i'm still not near the capitol. cnn correspondent joe johns joining us live. so, how is it looking for the motorists stranded? when is the help arriving, joe? >> well, you know what, to state the obvious this is very slow going, and let me just give you an idea where i am. this is dumfries, virginia. it's in the zone and if you take a look down here that will show you what the problem is. the department of transportation here in the state as well as the state police held had a news conference on the telephone a little while ago and they explained that a lot of investigation down here, some are cars, many are semis, some of them have run out of gas, some are disabled there. have also been accidents, and what they have to do is they have to get the vehicles off the road that can actually drive and then come in again with tow trucks to try to move the one naz are disabled. if we can come back here.