Berkeley CSUA MOTD:Entry 48784
Berkeley CSUA MOTD
2019/01/20 [General] UID:1000 Activity:popular

2007/12/11-14 [Transportation/Car, Transportation/Car/RoadHogs] UID:48784 Activity:high
12/11   Are vehicle crash test results reliable?  Looking at the crash test
        video at it looks like the
        dummies bounces around randomly.  Is it reliable to conclude, based on
        one test run, that a certain vehicle is or is not safe during crashes?
        \_ I believe they do multiple test runs.  Between the auto, legal,
           insurance and medical industries, car wrecks are a multi-billion
           dollar event every year.  They can afford to wreck a few.  Instead
           of looking at a single video clip and deciding for yourself based
           on dummies bouncing around, check out the final stats for each
           vehicle.  Or just buy a large SUV if you just want to be sure.
           \_ Thanks.  I already have an SUV.  I'm trying to buy a small car
              to burn less gas.  -- OP
              \_ If you want 'safe' you can't drive a small car.  "Kept'n!
                 I kanna break tha lawsuv physics!"
                 \_ If mass was all there were to it, then pickup trucks
                    would be the safest vehicles around, but they aren't.
                    Nowadays, it is more important to have good braking
                    sytems, full surround air bags, etc. Mass helps, but
                    is not the only answer. Don't SUVs roll over alot and
                    kill their occupants that way?
                    \_ There is this paragraph:
                       "Clearly, larger cars tend to have fewer fatalities.
                       But remember to put these figures into perspective.
                       These figures are comparing the differences **per
                       million registered vehicles**."
                       What is it saying?  I don't get it.
                       What does it mean by putting the figures into
                       perspective?  I don't get it.
                       \_ I think they mean that the most important piece
                          of safety equipment is an alert, capable driver.
                          The smallest car, driven by a skillful driver
                          is safer than a huge SUV driven by an idiot.
2019/01/20 [General] UID:1000 Activity:popular

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Email Consumers shopping for a fuel-efficient vehicle will probably gravitate toward smaller cars. But by doing so will they put themselves at risk in the event of an accident? The cold hard facts show that smaller, lighter cars are generally less safe than larger heavier cars. However, there is still a lot you can do to choose the safest small cars. Assuming you're a safe driver, your chances of getting in an accident are really in "the other guy's" hands. You are driving across an intersection and get broadsided by someone running a red light. Your odds of survival, or avoiding injury, are up to the design of the car and the safety equipment you've chosen. At that instant you will hope you have made a good decision and chosen a safe car. You choose the safest car you can afford that also provides good gas mileage. The keys to a car's ability to keep you alive during a crash involve safety equipment, the vehicle's weight, and its resistance to rollover. While small cars don't roll over easily, they lack weight and are less likely to have advanced safety features like stability control or full side curtain airbags. Furthermore, the numbers don't bode well for small cars. In the latest crash figures available from 2005, provided by the Insurance Institute for Highway Safety (see chart below), there were 144 fatalities per million registered vehicles for the smallest cars. That figure drops to 106 fatalities for the next larger class of cars. For small SUVs, the figure was 60 deaths per million as compared with 48 for large SUVs. For pickups, totals increased to 122 per million for small trucks and 104 per million for large. These figures are comparing the differences per million registered vehicles. Interestingly, when reviewing the data on pickups, the totals rise even as size increases. Experts say this is because of the people who tend to drive each segment. Younger males tend to be the most likely to be involved in serious accidents while more seasoned drivers with families tend to be more risk averse when driving. "Pickup trucks tend to be driven by young males," said Adrian Lund, chief operating officer of the Insurance Institute of Highway Safety in Arlington, Virginia. "Smaller SUVs tend to be driven by women and that has been found to lower the totals." Meanwhile, large sedans, which are both heavier and better equipped, show the lowest totals. Still, how you drive is obviously an important factor in the process. You may be asking, "But what about my crash test rating? Doesn't my five-star rating equal the five-star rating of a truck?" org, which rates crash tests from "Good" to "Poor" based on the driver's ability to survive a crash. But these ratings are only useful to compare cars within the same size class. A "Good" rating for a small car doesn't mean it will perform as well in a crash as a "Good" large sedan would. "They are meant to be used to compare crashes with vehicles of similar size," Lund said. "You can't really go between the segments with these ratings." The numbers show that you are far more likely to survive an accident if your car is highly rated, no matter the size. This is good news for the small car buyer who is looking for good fuel mileage. For example: According to the IIHS, if you were to be traveling in a car that was rated "Poor" and got hit by a car rated "Good," you would be three times more likely to be killed in the accident (if there was a fatality) than the other driver. Similar numbers from NHTSA bear out the same outcome, meaning the lower the crash test rating, the more likely you are to be seriously injured in an accident. With safety as a growing concern for car shoppers, more and more manufacturers are touting their crash test ratings in ads to pull in buyers. Honda even started putting crash test scores on the window stickers of new cars at dealerships. Low crash test ratings simply aren't acceptable to most consumers. Be sure to review ratings before you buy and make your decision accordingly. So how can you get acceptable safety and good gas mileage? By investing in as many advanced safety features as you can afford in your small car. At the top of your shopping list should be antilock brakes and side-impact airbags. These features can sometimes be hard to find but are not particularly expensive. Antilock brakes allow you to drive your way out of an accident, particularly on slick road surfaces. Experts also say it is advisable to buy a car that can easily accelerate from zero to 60, in under 11 or 12 seconds, so you can manage tricky merging situations in high traffic areas. This article has focused on the physics and statistics of auto accidents. By far the biggest factor in overall safety is you, the driver. The best way to avoid injury is to be a good driver and not get in an accident to begin with.