If all Americans who take public transportation to work decided to drive instead, their cars would circle the earth with a line of traffic 23,000 miles long.
	Ten million Americans use public transit each working day.
	Americans loose more than 1.6 million hours a day stuck in traffic.
	Freight can be transported by: air; rail; highways; water; and pipeline -- this is another form of intermodal transportation.
	The average American driver spends about one hour in a car each day, including weekends.
	There are more than 160,000 traffic signals in the U.S.
	The cost of sitting in traffic congestion costs travelers and businesses $40 billion each year.