Call 911 Immediately: The first step after a car accident in Phoenix is to call 911. This pamphlet is intended to provide information for those who have had a loved one seriously injured or killed in a traffic collision.As a general rule, you should report a crash right away. You should stay at the scene until police arrive so a report can be filed immediately. This reporting tool provides a convenient way to submit information regarding a minor vehicle collision and obtain a police report number. Reach out to a Phoenix car accident lawyer at our office. Looking for the best auto accident attorney near me in Arizona? How to File an Accident Report After a Car Crash in Phoenix, Arizona? You can find your local precinct on the City of Phoenix Police website. Or, if you prefer, fill out an online police department records report request.