All of the 50 states in the U.S. require some type of insurance. Some states only require minimum liability while some states require a certain amount of bodily injury insurance.
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It is not mandatory, in the United States as a country,to carry auto insurance, but in most states it is a law.
Vehicle insurance quotes in the United States could be found from a variety of websites. Some good websites to find these quotes are Pioneers Insurance, US Insurance, Auto Insurance and Progressive.
For the most part, most countries require at least some form of insurance to drive. In the US, the minimum requirements can vary between states. Some states will require proof of insurance to be present at all times when driving and will be requested at routine traffic stops. Other states may not require this unless you are in an accident.
One company that specializes in no claims car insurance in the United States is Progressive auto insurance. They are well known for their different insurance options.
There are several web sites that offer the ability to compare car insurance prices in the US. Cheap Car Insurance Auto, Titan Insurance and Direct auto insurance are three of the more prominent sites.
Maine and Iowa have the lowest auto insurance rates. Washington D.C. has the highest auto insurance rates.
There are several places that offer temporary auto insurance. These places include Buy Auto Insurance, Cars Direct, eCar Insurance, eSurance, and US Insurance Online.
Westwood Insurance can be purchased by anyone living in California in the United States. It is not something necessarily available worldwide, more so just in the US.
No. All United States auto insurance policies stop at the Mexican border. They usually cover driving in Canada but will not cover you once you cross into Mexico. I believe you purchase insurance from the Mexican government. Good luck if you have a claim.
New Hampshire and Wisconsin are the only two states in the US that do not require that you have some type of liability insurance. However, this doesn't mean that you don't have to pay if you are in an auto accident. Yes it is. Every state in the union has as least some liability insurance requirement. Here's a list: http://personalinsure.about.com/cs/vehicleratings/a/blautominimum.htm (scroll down a bit).
US auto insurance will cover you in Canada only if you get a card from your insurance agent authorizing the coverage. This card is free. Ask your agent about how long the card is good for.