Police are investigating a mysterious late-night roadblock which appeared on a New Jersey roadway. Watch the dash cam footage of the illegal roadblock created by a suspicious-looking man. Automotive expert Lauren Fix, The Car Coach warns drivers about how to handle suspicious situations on the road and provides tips to stay safe. Courtesy of WCBS Aired: 11/05/2014 For More Great Car News: Sign up for Lauren's FREE monthly newsletter @ http://eepurl.com/CBl_z Lauren's website: http://www.laurenfix.com/ Follow me: @ http://twitter.com/laurenfix Facebook page: https://www.facebook.com/Lauren.Fix.The.Car.Coach — with Lauren Fix.