On the Pennsylvania Turnpike, motorists can drive 160 miles without shifting gears. From 15 miles east of Pittsburgh to the outskirts of Harrisburg, the four-lane super-highway has no intersections, grade crossings, pedestrians, stoplights, or fixed speed limit (except in its 6.7 miles of tunnels). Going through instead of over the rugged Alleghenies, it has no miles of straightaway, no grade steeper than 3%, no curve requiring a reduction in speed.
To lengthen "America's greatest highway," Wall Street last week made the biggest revenue bond offering in its history. Headed by Drexel & Co., B....
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