TRANSPORTATION: Subway of the Future

In Manhattan last week, the New York Transit Authority put its pen to a $3,881,000 contract to build an entirely new system of transportation. The jammed, jolting old subway shuttle train between Grand Central Station and Times Square, half a mile crosstown, will be replaced by a gigantic conveyor belt carrying an endless chain of lightweight passenger cars. Riders will step onto a belt moving at 1½ m.p.h., and from there into cars which will then speed up to 15 m.p.h. for the two-minute trip to Times Square and slow down again...