11.  More than ever before getting on a plane is like getting on to a crowded bus.

12.  On Tuesday Israeli tanks entered the West Bank city of Jenin after a Palestinian man boarded a crowded bus in Jerusalem and detonated a nail-studded explosive.

13.  On crowded buses they sit apart.

14.  On crowded buses, they sit alone.

15.  Rush hour has its share of speeding cars and crowded buses, and the pedestrian shopping streets are always a sea of humanity.

16.  Roberta Altman was at the front of a fairly crowded crosstown bus when a cell phone rang in the back.

17.  She remained seated even as three less courageous African-Americans dutifully rose and shuffled off to stand in the rear of the crowded bus.

18.  She decided that rising at dawn, taking a crowded bus to work and mopping floors eight hours a day was worthless.

19.  The Automobile Association estimated that traffic was up by about a third, making the crowded buses even slower than usual on the crowded streets.

20.  The bad news, he said, is that traffic and parking will only get worse, perhaps pushing more people to the subways and the already crowded buses.