Our complete guide walks through the entire process of DUI charges and trial, including repeat offenses and considerations for underage DUIs. Pennsylvania DUI laws are strict, and arrests lead to convictions in many cases.But, you do have options available. Understand the implications of DUI post-arrest testing in Pennsylvania, including your rights and potential penalties for refusal. Required DUI Evaluations. CRN; Anyone charged with a DUI in Pennsylvania must complete a Court Reporting Network (CRN) evaluation. If you facing a DUI matter call (215) 542-0800 for a FREE consultation. An arrest for DUI is typically a "warrantless" arrest, meaning that the police are not required to obtain a warrant prior to detaining you. This page contains a step-by-step guide to the multiple stages of a Pennsylvania DUI case, from arrest to completion. The reason behind a traffic stop is a crucial element in any DUI arrest in the Lehigh Valley.