"Traffic: Why We Drive the Way We Do,"

In his book, Tom Vanderbilt takes the traffic trivia bit to a new level.

Here are some things about traffic that may surprise you:

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* People who live on streets with more traffic spend less time outside and have fewer friends.

* Saturday at 1 p.m. has heavier traffic than weekday rush hours.

* Highways can handle more cars at 55 mph than 80 mph.

* A driver driving at 30 mph sees an average of 1320 pieces of information every minute.

* The top 10 most dangerous cities for pedestrians in the U.S. are all below the Mason-Dixon line. Five are in Florida (Number One? Las Vegas)

* The average driver looks away from the road for .06 seconds every 3.4 seconds; drivers search for something in the car 10.8 times per hour.

* The most commonly dropped objects on Los Angeles freeways are ladders.

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