WUSA 9News Now At 6am December 28, 2012
Near route 2. The left lane still blocked each way here crash cleanup there. Virginia drivers its been 95 northbound hung up near the occoquan with a crash on the left side. The delays near the Prince William parkway. Heading north of lorton though into springfield. Everything open on 395. Back to you. Last half hour we gave you a rare glimpse inside the Science Behind the field sobriety tests. What officers look for and how it all works. Now we look at the science in action as the officers and our cameras leave the lab and hit the roads. Delia goncalves has the exclusive ridealong with park p...