An experienced Pennsylvania traffic attorney can help with your traffic offense in various capacities. Fundamentally, they can help you understand and navigate the process. Your attorney will be able to help you understand the offense, understand the potential consequences. They'll be able to help you understand if there's any defenses to defense, or if other steps can be taken to seek an alternative resolution.
Your attorney will be able to contact the court on your behalf in an effort to as needed and as appropriate to the circumstances to try to seek an alternative resolution instead of pleading guilty or being found guilty. They can contact the police officer, the state trooper, the district attorney's office as needed to negotiate a better outcome.
Come the day of court, whatever the case may require, whether it requires going to trial, or if an alternative resolution can be negotiated, your attorney can address the matter accordingly for purposes of court. Working to get you the best possible outcome all the while, they should be involved from as early as possible in the case.