July 21, 2012 one person has been killed in a two-car accident on Saturday night. The collision occurred as one car was crossing lanes of the Interstate 17 at milepost 231, going into oncoming traffic. With a crash like this, there may be multiple causes or people at fault. Begam & Marks has experienced attorneys that will investigate all the possible causes of the crash and its severity. We are the leading firm in the fight to install cross over barriers on all the urban freeways in Arizona to help ensure that accidents similar to this one are prevented. If you or a loved one has been injured in a crossover crash, please call Begam & Marks for representation.