High gas prices are leading more commuters to use a dynamic carpooling method called "slugging."
Reporter Sandra Endo interviewed several people who are resorting to blind carpooling.
This is a way commuters from northern Virginia, going to Washington, catch a free ride with drivers looking to beat the rush.
It started more than 30 years ago, but David Leblanc's website helped organize this pseudo-secret society, listing where passengers can line up to find a ride.
"For the drivers, especially with gas prices so high, it's not really benefiting them or saving them any money to pick up slugs, right?" LeBlanc said.
Virginia law requires drivers to have at least three people in a vehicle to use carpool lanes to breeze by the stop-and-go traffic.
The ‘slug' practice is catching on in other congested cities, like in Dallas and San Francisco.
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Copyright 2012 WGCL-TV (Meredith Corporation). All rights reserved. The Associated Press contributed to this report.