Search Results | u.s. highway system
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How NHTSA Ratings Work
auto.howstuffworks.com/buying-selling/nhtsa-ratings.htm
The NHTSA ratings review and rate automobiles based on certain criteria. Learn all about the NHTSA ratings at HowStuffWorks.
How Traffic Works
auto.howstuffworks.com/car-driving-safety/accidents-hazardous-conditions/traffic.htm
Traffic can cause us to spend up to two weeks in our car each year. Learn about traffic and find out which cities have the worst traffic in the world.
What Is Asphalt Made Of?
science.howstuffworks.com/asphalt.htm
If you think asphalt is what hot tar roads are made of, you'd be wrong. Asphalt is only one ingredient in the recipe that makes up our roads. And it has a very long, very interesting history.
Are motorcycles really more dangerous than cars?
auto.howstuffworks.com/are-motorcycles-more-dangerous-than-cars.htm
Using any vehicle is a risk, but do motorcycles make you more vulnerable? Learn if motorcycles are really more dangerous than cars at HowStuffWorks.
What is the difference between the Prius and the Prius Touring?
auto.howstuffworks.com/fuel-efficiency/hybrid-technology/prius-vs-prius-touring.htm
What is the difference between the Prius and the Prius Touring? Learn about the difference between the Prius and the Prius Touring at HowStuffWorks.
How Area 51 Works
science.howstuffworks.com/space/aliens-ufos/area-51.htm
Less than 100 miles from Las Vegas, is the most famous secret military installation on the planet: Area 51. For decades, the U.S. government refused to acknowledge it existed. But now, the secret is out.
How Sirius Backseat TV Works
electronics.howstuffworks.com/gadgets/automotive/sirius-backseat-tv.htm
You may have heard a lot about SIRIUS Backseat TV, but how much do you really know about SIRIUS Backseat TV? Learn about SIRIUS Backseat TV here.
The Consumer Guide to E85 Ethanol Vehicles
auto.howstuffworks.com/fuel-efficiency/vehicles/the-consumer-guide-to-e85-vehicles.htm
There's a lot to consider if you're thinking of buying an E85 ethanol vehicle. Learn everything you need to know about E85 ethanol vehicles.
Who Built These Mysterious Concrete Arrows?
history.howstuffworks.com/american-history/who-built-these-mysterious-concrete-arrows.htm
Giant arrows guided American airmail pilots on nighttime routes up until the 1940s. HowStuffWorks takes a look.
How Some Cities Prepare to Withstand Climate Change
science.howstuffworks.com/environmental/green-science/cities-withstand-global-warming.htm
Rising sea levels, increased flood and extreme heat are all signs of climate change. Cities are trying some innovate strategies to cope with and mitigate these events.