Despite an overall decrease in traffic congestion, there are still spots where traffic regularly comes to a crawl during peak periods. Here are the 10 worst traffic choke points in the region. These areas are characterized by severe congestion and extended delays - car speed ranged from 10 to 20 miles per hour, with 115 to 100 cars per mile, per lane.
SOURCE: Transportation Planning Board | By Gene Thorp and Laris Karklis - The Washington Post - May 20, 2009
Traffic Congestion Dips As Economy Plunges Article | It might not seem like it when you're inching through crushing bottlenecks during your daily commute, but traffic congestion in the Washington region appears to have loosened up.