According to 2009 GMAC Insurance National Drivers Test Californian drivers are only 48 most knowledgeable drivers in the Nation.
First place is shared by Idaho and Wisconsin Drivers, following by Montana, Kansas, South Dakota and Nebraska.
The worst drivers are in Hawaii, New Jersey and New York.
Among top driving mistakes that cause crashes there are multi-tasking driving, following too closely, failure to yield on a left-hand turn, incorrect merging, and backing up.
Take a part in 2010 GMAC Drivers Test here. Go, California, Go!