Deserted Freeway: Photography

How many time have we waited for the traffic to disappear so that we can take a photograph of a highway without vehicles? In fact we may never find a time where there are no vehicles around.
So how to photograph the highway without showing the distracting vehicles?
Here is a tutorial on how to do this, making a busy highway look like it is deserted and lonely, without showing the vehicles.
AdoramaTV Presents Digital Photography One on One. In this week's episode, Mark shows you how to shoot photos of busy places like freeways, but make it look completely deserted! This technique involves a 9-stop neutral density filter, and can be used to shoot "deserted" museums, streets, tourist attractions and more!