Critical Path

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See crews fly an escalator to the 101st floor of One World Trade Center site in Lower Manhattan. Read fun facts about the fastest elevators in the Western Hemisphere.

Gearheads love getting cool stuff for the holidays. 

Here are photo tidbits of the delivery of the pieces of the spire that will turn One World Trade Center into the nation's tallest building. Word on the street is that the spire installation will be finished in February. At that point, the replacement for the twin towers will reach a height of 1,776 ft.

Differences between DOT Secretary Ray LaHood, a strong supporter of the Obama administration's high speed passenger rail  program, and Rep. Jeff Denham (R-Calif.) a forceful critic of the program, flared up at a House hearing.

Last June, a federal appeals court in New Orleans reached a decision in a Texas case involving a tennis court—where quite a few do-overs get called—that would have essentially nullified contractors general liability insurance as it was understood to exist for the last several decades.

Modular and prefab high-rise construction activity is heating up on two continents: Asia and North America

Here in Las Vegas at Autodesk University, the talk of the day is cloud computing.

An early Senate draft of new water resources legislation would launch a federal loan program for Corps and EPA water projects. It would be modeled on the popular TIFIA loan program for highways, bridges and other transportation projects.

President Obama is projected to be the winner in the presidential race. Senate control stays in Democrats' hands and Republicans remain in control of the House. Can bipartisanship appear?

Transportation agencies are exerting Herculean efforts to recover from Sandy.