>> all slugs waiting to hop in cars. >> it started more than 30 years ago but david leblanc's website helped to organize this pseudosecret society listing where passengers can line up to find a ride. for the drivers especially with the gas prices so high, it is not really benefiting them or saving them any money to pick up the slugs? >> it is not saving them money, but it is saving them a lot of time. like i said, it probably saves me at least 20 to 30 minutes each way on the commute. >> that is because the virginia law requires the drivers to have at least three people in a vehicle to use carpool lanes to breeze by the stop and go traffic. >> we have added more and more slug lines as the gas prices have increased. those who don't consider slugging now consider it as option. >> reporter: it is picking up a passenger hitching a ride from virginia to the pentagon. why did you decide to slug? it is inexpensive and gets me to where i need to go, and