Science | Engineering | Civil Engineering

We see bridges, buildings and highways on a daily basis, but have you ever wondered how these structures are designed and built? These civil engineering articles help explain this very question.

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How do truck weigh stations work?

While traveling along the Interstate, you may have noticed that truck weigh stations occasionally dot the highway. What are these weigh stations for, and how do they measure the weight of a truck? Find out the answer in this article.


Were U.S. interstates really designed as runways?

Were U.S. interstates really designed as runways?

There's an urban legend that U.S. interstates were really designed as emergency runways. Find out if there's any truth to the legend at HowStuffWorks. See more »

10 Advancements in Environmental Engineering

10 Advancements in Environmental Engineering

Our environment has been bent to our will as needed for centuries. Find out about 10 important environmental engineering breakthroughs. See more »

How the Venice Tide Barrier Project Works

How the Venice Tide Barrier Project Works

As Venice drops further below sea level, the surrounding water is also rising. Find out how the Venice tide barrier project could save the city. See more »

How the U.S. Army Corps of Engineers Works

How the U.S. Army Corps of Engineers Works

Do you know how the U.S. Army Corps of Engineers Works? Learn how the U.S. Army Corps of Engineers works at HowStuffWorks. See more »

How Subways Work

How Subways Work

In many of the world's major cities, it would be difficult to imagine life without a subway. Learn how subways came to be, how they're built and what it takes to run and maintain a subway. See more »

How Intelligent Highways Will Work

How Intelligent Highways Will Work

If you were on the road for the holidays, you probably spent some time staring at the bumper in front of you. Can you imagine a world without gridlock? Learn about some high-tech traffic management. See more »

Why are the insides of tunnels usually covered in ceramic tile?

I've noticed that the insides of road and subway tunnels are usually covered in ceramic tile. Is there any particular reason for this or is it simply convention? See more »

Is there any rhyme or reason to how U.S. interstate highways are numbered?

Is there any rhyme or reason to how U.S. interstate highways are numbered? See more »

How do truck weigh stations work?

How do truck weigh stations work? See more »

What is a funicular railway?

In the news about the recent accident at a ski resort in Austria, the reporters called the cable car that carried the skiers up the mountain a "funicular railway." What is that and how does it work? See more »