You will need to have an attorney prepare the subpoena and a process server deliver it to the cell phone company.
You will need to have an attorney issue a subpoena for the phone records.
Serve the subpoena upon the agency or organization that has the tape in their possession. It's done all the time in DUI traffic cases.
Playing In Traffic Records was created in 2009.
Very doubtful. All states are members of an interstate traffic records compact in which they share their databases of traffic records.
Call the court house
If you have received a traffic ticket in California, then a California State Approved Traffic School is a great way to dismiss your traffic ticket and lose the points from your driving records. I Drive Safely is a good choice for California traffic school online.
3 and 10 year traffic records are maintained by Penndot. It will disappear in 10.
Taking traffic school will mask your violation from the public (ie your insurance company) The DMV generally retains all records in their files. Stephen InandOutTrafficSchool.com
State DMV files cannot be expunged. They are lifelong records of your driving history.
You will probably be found guilty "in absentia." It can also depend on what the ticket was for. If you failed to appear in response to a subpoena for a serious offense (e.g.: DUI - etc) you could be served with a bench warrant.
As far as law enforcement records... life. As far as insurance, 3 years
The majority of states no longer expunge juvenile traffic records when the person becomes an adult. Juvenile traffic offenses are generally adjudicated in the same traffic court as those of adults. In some states the parents have the option of requesting the minor child's traffic case be held in juvenile rather than adult court.