On an average weekday, cars crawl along at 9.3 miles per hour.
Mr. Anyansi said that about 400,000 commuters used the line on an average weekday.
More than 350,000 vehicles used the crossings on an average weekday before the toll increase.
Even Washington's relatively modest subway system, the Metro, carries 650,000 passengers on an average weekday.
USA Today reported an average weekday circulation of 1.8 million, including just 18,000 electronic subscriptions.
Completed in 2004, the park is mobbed with office workers and tourists on an average weekday.
Combined subway and bus ridership in September was 7.61 million on an average weekday.
The tracks carry about 75 trains on an average weekday, said Ms. Burns, the CSX spokeswoman.
(The Boston Globe has an average weekday circulation of nearly 452,000).
In October, ridership systemwide reached 4.7 million on an average weekday, the most since 1973.
On an average weekday, the unemployed sleep an hour more than their employed peers.
